J-1

TIMSS-R Ref. No. 98-0030/-2------/J2

J1. ?

A.

B.

C.

D.

S022073

J2. ?

A.

B.

C.

D.

S022099

J3. :

:

________________ ________________

________________ S022174

SuetingSuetingSuetingSuetingSuetingSueting

J-2

TIMSS-R Ref. No. 98-0030/-2------/J2

J4. 100 ?

S022009

A. B.

C. D.

SuetingSueting

J-3

TIMSS-R Ref. No. 98-0030/-2------/J2

J5.

?

A. 3

B. 1 2

C. 2 3

D. 1 2 3

S022012

1

3

2

SuetingSueting

J-4

TIMSS-R Ref. No. 98-0030/-2------/J2

J6. ?

A.

B.

C.

D.

S022082

J7. ?

A.

B.

C.

D.

S022094

J8. ?

A.

B. X

C.

D.

E.

S022278

SuetingSuetingSuetingSuetingSuetingSueting

J-5

TIMSS-R Ref. No. 98-0030/-2------/J2

J9. ?

148 640 000 902 546 000

1 0.001

21% 5% 0.03% 5% 78% 90%

S022081

SuetingSueting

J-6

TIMSS-R Ref. No. 98-0030/-2------/J2

J11. ?

A.

B.

C.

D.

E.

M022246

J10.

?

A. 144

B. 64

C. 44

D. 16

M022022

12

10

8 12

SuetingSuetingSuetingSueting

J-7

TIMSS-R Ref. No. 98-0030/-2------/J2

J12. : 655

325 =

: ____________________

M022026

J13. :

30

21

?

: __________________

M022030

SuetingSuetingSuetingSueting

J-8

TIMSS-R Ref. No. 98-0030/-2------/J2

J14. : 0.003 15.45)

A. 0.515

B. 5.15

C. 51.5

D. 515

E. 5150

M022031

J15.

I II III IV

?

A. I II

B. I III

C. I IV

D. II IV

E. III IV

M022033

SuetingSuetingSuetingSueting

J-9

TIMSS-R Ref. No. 98-0030/-2------/J2

J16. (7, 16) ?

A. P

B. Q

C. R

D. S

M022037

y

x

S R

P Q

20

15

10

5

0 5 10 15 20

J17. x y

?

A. 9

B. 10

C. 11

D. 12

E. 13

M022041

x y2 53 74 ?7 15

SuetingSuetingSuetingSueting

J-10

TIMSS-R Ref. No. 98-0030/-2------/J2

J18. 1 10

?

A. 5

B. 30

C. 40

D. 50

M022038

1 = 10

SuetingSueting

J01. Science (Earth Science) Earths plates over millions of years C

S022073

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 6.1% 7.6% 9.7% 11.3% 4.4% 8.8% B 2.8% 1.9% 3.4% 4.1% 4.0% 7.6%

C* 87.5% 85.3% 79.5% 83.0% 88.8% 74.7% D 3.4% 4.7% 6.8% 1.4% 2.6% 7.3%

J02. Science (Life Science) Feature shared by all insects A

S022099

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A* 56.7% 50.8% 71.9% 54.2% 61.7% 48.8% B 28.6% 20.7% 16.8% 29.9% 18.0% 27.6% C 6.0% 12.2% 6.2% 12.9% 6.8% 9.1% D 8.3% 15.8% 4.3% 2.8% 13.0% 13.1%

SuetingSueting

J03. Science (Chemistry) Compounds, molecules and atoms

S022174

(N=725)

(N=648)

(N=589)

(N=764)

(N=625)

10 56.8% 38.4% 63.3%% 60.4%% 69.4% 45.4% 18 0.0% 0.0% 0.0% 0.0% 0.0% 0.3% 70 20.0% 27.4% 16.1% 33.5%% 7.9% 17.4% 71 8.4% 8.2% 2.8% 0.3%% 5.7% 9.1% 79 13.0% 20.7 14.0% 4.9% 16.6% 23.3% 99 1.7% 5.4% 3.8% 1.0% 0.5% 4.7%

J04. Science (Physics) Evaporation rate by surface area C

S022009

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 1.3% 1.4% 1.7% 0.7% 0.2% 3.1% B 3.6% 3.2% 3.9% 3.0% 1.0% 6.9%

C* 92.8% 93.5% 93.6% 95.1% 98.0% 84.5% D 1.4% 1.7% 0.8% 1.2% 0.8% 4.5%

SuetingSueting

J05. Science (Physics) Gravity acting on rocket D

S022012

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 19.4% 22.1% 25.7% 32.6% 25.2% 31.3% B 16.5% 24.9% 12.9% 12.1% 8.7% 13.4% C 15.5% 28.6% 21.4% 26.3% 16.7% 18.0%

D* 48.5% 23.9% 40.0% 28.9% 49.2% 36.1% J06. Science (Earth Science) Factor explaining seasons on earth C

S022082

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 44.4% 42.9% 37.4% 64.0% 73.3% 57.8% B 12.8% 5.9% 8.8% 4.3% 6.1% 11.6%

C* 39.9% 48.2% 51.7% 30.1% 18.2% 26.5% D 2.5% 2.8% 1.1% 1.2% 2.4% 2.6%

SuetingSueting

J07. Science (Life Science) Reason for protein in diet C

S022099

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 20.6% 17.1% 56.8% 47.5% 34.8% 39.8% B 6.6% 11.0% 6.7% 7.7% 5.7% 7.9%

C* 62.0% 52.6% 29.2% 41.2% 45.0% 3.3% D 10.4% 19.0% 7.2% 3.3% 14.1% 17.0%

J08. Science (Physics) Sunscreen to protect against radiation D

S022278

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 2.3% 6.8% 2.3% 5.4% 1.1% 11.6% B 0.4% 1.6% 1.1% 0.9% 3.1% 10.4% C 2.6% 6.1% 15.8% 15.8% 2.9% 9.2%

D* 94.1% 84.4% 79.0% 77.0% 91.0% 62.0% E 0.4% 0.9% 1.0% 0.7% 1.5% 5.0%

SuetingSueting

J09. Science (Earth Science) Life on other planets

S022081

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

10 47.3% 40.8% 52.4%% 47.9% 56.6% 44.7% 11 0.6% 0.2% 0.7%% 1.3% 1.3% 1.6% 12 19.4% 10.9% 5.1%% 13.9% 12.6% 6.7% 13 0.9% 1.5% 4.2%% 4.9% 0.7% 1.4% 14 10.9% 14.5% 5.3% 8.8% 11.9% 8.8% 19 0.3% 2.4% 1.0% 0.1% 2.3% 2.6% 70 6.3% 11.8% 14.4% 7.7% 3.0% 8.7% 71 0.9% 0.3% 0.6% 3.3% 1.9% 0.8% 72 0.5% 0.4% 0.0% 0.9% 0.3% 0.6% 79 8.4% 12.4% 10.8% 5.4% 5.4% 11.3% 99 1.6% 4.9% 5.4% 5.9% 3.9% 12.8%

J10. Mathematics (Measurement) Area of path around garden B

M022022

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 12.0% 8.4% 8.5% 14.6% 14.1% 21.8% B* 72.8% 79.4% 73.7% 66.6% 77.6% 41.5% C 11.0% 8.3% 14.5% 12.9% 6.6% 23.7% D 3.6% 3.0% 2.5% 5.7% 1.6% 9.6%

SuetingSueting

J11. Mathematics (Geometry) Not true for all rectangles E

M022246

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 3.8% 2.4% 2.3% 2.4% 2.7% 7.8% B 6.6% 2.7% 5.0% 11.8% 5.9% 8.4% C 7.1% 4.1% 4.8% 4.3% 4.1% 12.3% D 11.1% 37.2% 10.4% 8.7% 25.4% 14.5%

E* 71.1% 52.8% 76.0% 72.7% 61.4% 53.7% J12. Mathematics (Fractions and Number Sense) Division of fractions

M022026

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

10 82.7% 80.3% 77.6% 79.8% 81.5% 38.2% 19 0.6% 0.4% 1.7% 0.5% 2.3% 6.5% 70 2.8% 1.4% 0.3% 2.8% 2.4% 10.1% 77 0.0% 0.0% 0.0% 0.0% 0.0% 0.5% 79 11.0% 13.4% 15.1% 12.2% 11.5% 32.9% 99 3.0% 4.5% 5.2% 4.6 2.3% 11.9%

SuetingSueting

J13. Mathematics (Data Representation, Analysis and Probability) Interpretation of pictograph of houses

M022030

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

10 88.4% 92.9% 93.0% 89.4% 95.2% 69.1% 70 1.7% 0.1% 0.1% 0.0% 0.0% 1.0% 71 1.8% 2.3% 1.1% 2.9% 1.9% 3.4% 79 6.6% 2.4% 5.0% 6.7% 2.0% 20.8% 99 1.4% 2.2% 0.8% 0.9% 0.9% 5.7%

J14. Mathematics (Fractions and Number Sense) Division of decimals E

M022031

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 6.8% 6.3% 5.3% 7.9% 14.3% 17.9% B 13.8% 12.6% 9.3% 13.7% 22.7% 18.7% C 4.2% 5.0% 3.9% 5.2% 7.1% 8.9% D 10.4% 9.3% 10.9% 11.6% 10.2% 10.7%

E* 64.3% 66.4% 70.2% 61.5% 44.8% 39.2%

SuetingSueting

J15. Mathematics (Geometry) Two similar triangles C

M022033

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 1.8% 3.6% 0.8% 1.5% 2.1% 5.0% B 17.4% 17.6% 3.5% 5.9% 11.1% 17.4%

C* 73.8% 64.7% 84.4% 82.3% 76.2% 62.1% D 2.1% 3.1% 1.8% 1.1% 2.2% 4.2% E 4.8% 10.8% 8.4% 9.2% 8.5% 9.9%

J16. Mathematics (Geometry) Point on graph from coordinates D

M022037

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A 6.7% 5.7% 4.2% 6.5% 6.6% 14.0% B 9.3% 10.6% 10.5% 8.0% 10.4% 19.8% C 0.9% 2.3% 0.6% 1.7% 3.4% 6.3%

D* 83.0% 81.1% 84.1% 83.5% 79.5% 57.6%

SuetingSueting

J17. Mathematics (Algebra) Missing number in table A

M022041

(N=725)

(N=649)

(N=589)

(N=765)

(N=625)

A* 79.5% 76.5% 78.3% 77.6% 66.9% 64.7% B 6.4% 9.8% 9.0% 7.3% 10.6% 10.1% C 5.5% 8.8% 6.6% 9.0% 16.2% 12.1% D 4.9% 2.7% 3.8% 4.2% 5.0% 6.6% E 3.5% 1.4% 1.5% 1.6% 1.2% 3.6%

J18. Mathematics (Fractions and Number Sense) Distance between towns from map D

M022038

(N=725)

(N=.)

(N=589)

(N=765)

(N=625)

A 5.5% . 3.8% 5.8% 3.1% 9.9% B 8.4% . 5.4% 10.5% 5.2% 12.7% C 15.6% . 6.0% 23.1% 9.3% 18.4%

D* 70.1% . 84.8% 60.3% 82.2% 57.3%

SuetingSueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 60Percent of responses by Item Category - 8th Grade

Science: Earth ScienceLabel: Earth's plates over millions of years ( S022073 - J01 )Item Type = MC Key = C

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 2.5 4.4 89.3 3.7 0.1 89.3 0.0 0.0 0.1 89.8 88.9 Belgium (Flemish) 656 7.6 2.9 80.8 7.8 0.9 80.8 0.0 0.0 0.9 81.1 80.5 Bulgaria 413 9.3 2.0 80.8 5.9 2.0 80.8 0.0 0.2 1.8 81.2 80.2 Canada 1086 2.5 3.0 90.7 3.0 0.9 90.7 0.0 0.2 0.7 91.3 90.1 Chile 726 6.5 9.0 73.4 9.0 2.1 73.4 0.0 0.0 2.1 75.3 71.5 Chinese Taipei 725 6.1 2.8 87.5 3.4 0.2 87.5 0.0 0.0 0.2 88.2 86.7 Cyprus 387 5.8 10.5 68.3 13.0 2.5 68.3 0.3 0.0 2.2 63.8 72.4 Czech Republic 440 4.0 3.2 87.1 5.0 0.7 87.1 0.0 0.0 0.7 82.9 91.9 England 373 3.9 5.0 86.4 4.7 0.0 86.4 0.0 0.0 0.0 82.7 90.3 Finland 362 8.6 5.8 81.7 3.0 0.8 81.7 0.0 0.0 0.8 82.9 80.7 Hong Kong, SAR 649 7.6 1.9 85.3 4.7 0.4 85.3 0.0 0.1 0.3 86.9 83.8 Hungary 400 3.0 1.3 92.6 2.3 0.8 92.6 0.0 0.0 0.8 94.4 90.5 Indonesia 730 14.1 10.3 60.0 14.7 1.0 60.0 0.0 0.0 1.0 62.1 57.6 Iran, Islamic Rep. 668 10.2 10.5 60.8 16.5 1.9 60.8 0.0 0.0 1.9 68.4 55.5 Israel 511 7.8 11.2 72.7 3.5 4.9 72.7 0.0 0.2 4.7 67.9 78.8 Italy 420 9.9 5.7 77.4 5.6 1.4 77.4 0.0 0.0 1.4 78.9 75.9 Japan 589 9.7 3.4 79.5 6.8 0.6 79.5 0.2 0.0 0.4 78.5 80.3 Jordan 635 18.6 14.6 56.3 7.5 3.1 56.3 0.8 0.0 2.2 57.7 55.1 Korea, Rep. of 765 11.3 4.1 83.0 1.4 0.2 83.0 0.0 0.0 0.2 82.3 83.6 Latvia (LSS) 357 4.0 2.5 80.4 12.3 0.8 80.4 0.0 0.2 0.6 80.2 80.6 Lithuania 288 12.8 2.5 80.0 3.6 1.1 80.0 0.0 0.3 0.9 79.5 80.4 Macedonia, Rep. of 497 6.6 5.7 66.6 15.7 5.4 66.6 0.2 0.1 5.1 67.6 65.5 Malaysia 700 12.4 9.4 68.4 8.8 1.0 68.4 0.0 0.0 1.0 72.6 63.5 Moldova 450 4.7 7.1 79.5 7.1 1.6 79.5 0.2 0.0 1.4 80.5 78.4 Morocco 665 15.8 26.3 29.3 24.3 4.4 29.3 0.0 0.2 4.2 30.1 28.7 Netherlands 371 2.7 7.2 81.4 6.9 1.8 81.4 0.0 0.1 1.7 82.1 81.1 New Zealand 456 6.6 8.0 81.2 3.7 0.5 81.2 0.0 0.0 0.5 81.9 80.6 Philippines 836 14.4 26.1 55.2 3.7 0.6 55.2 0.0 0.1 0.5 57.7 52.2 Romania 435 8.7 4.8 75.5 7.7 3.3 75.5 0.2 0.5 2.7 78.6 72.6 Russian Federation 527 11.1 3.7 79.6 4.2 1.3 79.6 0.0 0.0 1.3 80.7 78.4 Singapore 625 4.4 4.0 88.8 2.6 0.2 88.8 0.0 0.0 0.2 90.4 87.2 Slovak Republic 430 7.2 2.1 89.0 1.0 0.7 89.0 0.0 0.0 0.7 91.9 86.2 Slovenia 380 9.1 2.4 81.8 4.3 2.4 81.8 0.2 0.0 2.1 81.5 82.1 South Africa 1006 20.5 29.9 32.5 15.4 1.7 32.5 0.3 0.1 1.3 31.8 33.2 Thailand 712 14.3 7.3 75.2 2.8 0.4 75.2 0.0 0.2 0.3 77.6 72.2 Tunisia 627 14.8 12.4 51.9 15.8 5.1 51.9 0.8 0.0 4.3 51.1 52.6 Turkey 986 11.4 8.6 64.5 12.9 2.5 64.5 0.0 0.1 2.4 69.9 60.4 United States 1128 3.9 7.1 83.9 4.6 0.5 83.9 0.0 0.0 0.5 83.9 83.9

International Avg. . 8.8 7.6 74.7 7.3 1.6 74.7 0.1 0.1 1.4 75.4 74.1

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 61Percent of responses by Item Category - 8th Grade

Science: Life ScienceLabel: Feature shared by all insects ( S022099 - J02 )Item Type = MC Key = A

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 74.5 9.4 5.3 10.0 0.8 74.5 0.3 0.0 0.5 68.3 80.0 Belgium (Flemish) 656 46.1 24.9 6.3 21.0 1.8 46.1 0.6 0.0 1.1 42.0 50.1 Bulgaria 413 45.0 43.5 4.1 5.1 2.2 45.0 0.7 0.2 1.3 42.1 48.4 Canada 1086 80.9 7.5 4.9 6.2 0.4 80.9 0.0 0.2 0.2 80.7 81.1 Chile 726 31.6 20.4 8.2 39.1 0.7 31.6 0.0 0.0 0.7 31.4 31.9 Chinese Taipei 725 56.7 28.6 6.0 8.3 0.4 56.7 0.0 0.0 0.4 55.5 57.9 Cyprus 389 36.4 35.0 22.7 5.4 0.5 36.4 0.3 0.0 0.3 27.4 44.3 Czech Republic 440 43.0 38.0 4.9 13.7 0.4 43.0 0.0 0.0 0.4 43.0 43.1 England 373 77.9 10.7 4.8 6.0 0.6 77.9 0.0 0.0 0.6 75.4 80.6 Finland 362 54.9 26.9 5.5 11.3 1.4 54.9 0.0 0.0 1.4 54.2 55.5 Hong Kong, SAR 649 50.8 20.7 12.2 15.8 0.5 50.8 0.0 0.1 0.3 54.0 47.7 Hungary 400 65.7 27.9 3.8 1.6 1.0 65.7 1.0 0.0 0.0 62.6 68.6 Indonesia 730 39.2 27.1 10.2 22.6 0.9 39.2 0.2 0.0 0.8 38.0 40.5 Iran, Islamic Rep. 668 25.4 37.0 19.2 17.4 1.0 25.4 0.0 0.0 1.0 23.2 27.1 Israel 511 50.2 18.4 11.9 16.6 3.0 50.2 0.3 0.2 2.6 48.7 52.3 Italy 420 52.8 29.2 11.8 5.7 0.5 52.8 0.0 0.0 0.5 52.1 53.6 Japan 589 71.9 16.8 6.2 4.3 0.8 71.9 0.5 0.0 0.3 66.9 76.7 Jordan 635 28.8 42.5 10.4 16.7 1.7 28.8 0.5 0.0 1.2 27.9 29.6 Korea, Rep. of 765 54.2 29.9 12.9 2.8 0.1 54.2 0.1 0.0 0.0 47.0 61.5 Latvia (LSS) 357 57.7 24.6 4.1 12.6 1.1 57.7 0.5 0.2 0.4 51.1 65.5 Lithuania 288 32.4 51.5 2.5 11.7 1.9 32.4 0.0 0.3 1.7 34.1 30.6 Macedonia, Rep. of 497 36.2 30.9 10.6 20.6 1.7 36.2 0.4 0.1 1.2 32.1 40.9 Malaysia 700 44.8 12.1 9.3 32.9 0.9 44.8 0.0 0.0 0.9 43.8 45.9 Moldova 450 35.9 48.6 8.0 5.3 2.2 35.9 1.4 0.0 0.8 32.7 39.3 Morocco 665 18.2 35.5 23.2 18.1 5.0 18.2 0.1 0.2 4.7 17.0 19.1 Netherlands 371 75.2 15.2 4.7 3.9 1.1 75.2 0.0 0.1 1.0 67.9 82.1 New Zealand 456 75.8 10.7 6.9 5.5 1.1 75.8 0.6 0.0 0.5 75.0 76.5 Philippines 836 31.8 27.3 14.7 25.4 0.8 31.8 0.0 0.1 0.7 34.1 29.1 Romania 435 37.4 36.6 6.5 16.8 2.7 37.4 1.3 0.5 0.9 37.1 37.7 Russian Federation 527 50.3 34.7 7.2 5.7 2.1 50.3 1.1 0.0 1.0 51.2 49.2 Singapore 625 61.7 18.0 6.8 13.0 0.5 61.7 0.0 0.0 0.5 54.8 68.7 Slovak Republic 430 28.6 40.2 12.0 18.2 0.9 28.6 0.4 0.0 0.6 29.7 27.6 Slovenia 380 48.7 36.6 3.3 9.6 1.8 48.7 0.3 0.0 1.4 43.8 53.7 South Africa 1006 41.2 27.0 19.3 11.2 1.2 41.2 0.4 0.1 0.7 42.7 39.5 Thailand 712 36.1 41.3 9.6 12.8 0.3 36.1 0.0 0.2 0.1 37.1 34.8 Tunisia 627 18.8 36.0 11.2 22.1 11.9 18.8 6.0 0.0 5.9 19.9 17.8 Turkey 986 58.0 16.8 8.5 15.7 1.0 58.0 0.1 0.2 0.6 61.9 55.1 United States 1128 78.1 9.6 5.4 6.5 0.5 78.1 0.0 0.0 0.4 75.4 80.7

International Avg. . 48.8 27.6 9.1 13.1 1.5 48.8 0.5 0.1 1.0 46.9 50.6

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 62Percent of responses by Item Category - 8th Grade

Science: ChemistryLabel: Compounds, molecules and atoms ( S022174 - J03 )Item Type = SA Key = X

NOT REACH 1.GIRL 2.BOY COUNTRY N 10 18 70 71 79 99 V1 ED OMIT % Right % Right

Australia 494 53.0 0.0 18.5 4.7 22.2 1.7 53.0 0.0 1.7 49.5 56.1 Belgium (Flemish) 656 41.1 0.0 32.6 9.2 15.7 1.3 41.1 0.0 1.3 37.7 44.6 Bulgaria 412 66.9 0.0 14.7 6.6 6.3 5.5 66.9 0.2 5.3 67.9 65.6 Canada 1086 51.1 0.0 18.2 9.0 20.7 1.0 51.1 0.2 0.8 50.2 52.0 Chile 726 38.8 0.0 28.3 1.6 27.2 4.1 38.8 0.0 4.1 39.8 37.8 Chinese Taipei 725 56.8 0.0 20.0 8.4 13.0 1.7 56.8 0.0 1.7 59.1 54.5 Cyprus 388 29.4 0.0 13.9 13.3 35.2 8.3 29.4 0.0 8.3 23.2 34.8 Czech Republic 440 59.7 0.0 24.9 5.3 6.4 3.7 59.7 0.0 3.7 56.9 62.8 England 373 48.8 0.0 19.1 8.4 22.6 1.0 48.8 0.0 1.0 41.1 56.8 Finland 362 44.4 0.0 19.5 13.1 21.3 1.8 44.4 0.0 1.8 44.8 44.0 Hong Kong, SAR 648 38.4 0.0 27.4 8.2 20.7 5.4 38.4 0.1 5.2 36.9 39.8 Hungary 400 46.0 0.0 5.8 0.8 43.8 3.6 46.0 0.0 3.6 50.2 41.1 Indonesia 730 30.0 0.0 8.0 15.6 40.8 5.6 30.0 0.0 5.6 31.9 27.8 Iran, Islamic Rep. 668 46.3 0.0 15.3 14.5 19.1 4.7 46.3 0.0 4.7 43.5 48.3 Israel 511 42.6 0.0 14.3 9.4 25.5 8.2 42.6 0.2 8.1 41.0 44.8 Italy 420 54.8 0.0 19.4 5.1 17.8 2.9 54.8 0.0 2.9 52.4 57.1 Japan 589 63.3 0.0 16.1 2.8 14.0 3.8 63.3 0.0 3.8 62.4 64.2 Jordan 635 36.2 0.0 8.0 12.3 37.2 6.3 36.2 0.0 6.3 41.9 31.4 Korea, Rep. of 764 60.4 0.0 33.5 0.3 4.9 1.0 60.4 0.0 1.0 55.9 65.0 Latvia (LSS) 357 52.3 0.0 15.2 14.5 15.3 2.7 52.3 0.2 2.5 50.9 54.0 Lithuania 288 54.2 0.0 19.9 8.7 13.0 4.2 54.2 0.3 3.9 53.7 54.8 Macedonia, Rep. of 497 56.2 0.0 13.6 3.9 11.3 15.1 56.2 0.1 15.0 60.6 51.2 Malaysia 700 53.1 0.0 20.3 9.3 15.8 1.5 53.1 0.0 1.5 55.1 50.9 Moldova 450 48.0 0.0 6.3 4.7 27.9 13.1 48.0 0.2 12.9 53.4 42.1 Morocco 665 15.0 0.0 11.8 8.5 49.4 15.3 15.0 0.2 15.1 15.1 15.0 Netherlands 371 32.1 9.6 21.6 11.0 23.9 1.8 41.7 0.1 1.6 33.9 49.4 New Zealand 456 41.1 0.0 14.6 10.1 32.3 2.0 41.1 0.0 2.0 37.7 44.1 Philippines 836 40.8 0.0 16.1 10.1 27.1 6.0 40.8 0.1 5.8 47.1 33.4 Romania 434 33.4 0.0 9.5 22.5 23.9 10.7 33.4 0.5 10.2 40.2 27.0 Russian Federation 527 61.5 0.0 10.1 9.7 13.1 5.6 61.5 0.0 5.6 65.1 57.4 Singapore 625 69.4 0.0 7.9 5.7 16.6 0.5 69.4 0.0 0.5 70.2 68.6 Slovak Republic 430 65.3 0.0 22.4 3.0 6.9 2.3 65.3 0.0 2.3 62.4 68.2 Slovenia 380 53.7 0.0 12.2 12.6 18.3 3.2 53.7 0.0 3.2 54.7 52.8 South Africa 1006 10.2 0.0 12.5 13.0 56.9 7.5 10.2 0.1 7.3 7.5 13.2 Thailand 712 29.9 0.0 19.7 17.8 30.1 2.4 29.9 0.2 2.3 28.5 31.8 Tunisia 622 27.1 0.0 31.9 4.3 35.7 0.9 27.1 0.0 0.9 27.7 26.6 Turkey 986 22.9 0.0 20.7 16.9 30.3 9.2 22.9 0.2 9.0 24.6 21.7 United States 1128 50.9 0.0 16.0 9.5 21.3 2.2 50.9 0.0 2.2 48.7 53.1

International Avg. . 45.4 0.3 17.4 9.1 23.3 4.7 45.7 0.1 4.6 45.4 45.9

V1 = % Scoring 1 or better V2 = % Scoring 2 or better V3 = % Scoring 3 or betterPercent right for boys and girls corresponds to the percent obtaining the maximum score on the item.Because of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 63Percent of responses by Item Category - 8th Grade

Science: PhysicsLabel: Evaporation rate by surface area ( S022009 - J04 )Item Type = MC Key = C

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 3.1 2.1 90.4 4.4 0.1 90.4 0.0 0.0 0.1 91.0 89.7 Belgium (Flemish) 656 1.4 11.2 84.1 1.7 1.5 84.1 0.1 0.0 1.4 91.3 77.0 Bulgaria 413 3.4 1.4 92.8 1.6 0.9 92.8 0.0 0.2 0.6 95.2 90.4 Canada 1086 3.9 2.1 91.1 2.6 0.3 91.1 0.0 0.2 0.1 92.0 90.3 Chile 726 8.4 10.0 71.8 9.5 0.2 71.8 0.0 0.0 0.2 68.8 74.9 Chinese Taipei 725 1.3 3.6 92.8 1.4 0.9 92.8 0.3 0.0 0.6 93.8 91.8 Cyprus 389 3.2 3.0 88.3 4.9 0.5 88.3 0.3 0.0 0.2 87.5 89.0 Czech Republic 440 3.0 1.3 94.2 1.6 0.0 94.2 0.0 0.0 0.0 93.0 95.6 England 373 1.2 3.7 91.9 2.7 0.5 91.9 0.2 0.0 0.3 91.3 92.7 Finland 362 3.4 6.2 86.3 2.0 2.1 86.3 0.0 0.0 2.1 85.4 87.2 Hong Kong, SAR 649 1.4 3.2 93.5 1.7 0.1 93.5 0.0 0.1 0.0 95.0 92.0 Hungary 400 0.6 2.9 95.4 0.7 0.4 95.4 0.4 0.0 0.0 94.8 96.0 Indonesia 729 4.5 14.2 75.4 5.5 0.5 75.4 0.0 0.0 0.5 72.4 78.8 Iran, Islamic Rep. 668 4.4 21.1 68.5 4.7 1.3 68.5 0.0 0.0 1.3 60.7 74.1 Israel 511 2.1 3.4 89.4 4.6 0.6 89.4 0.1 0.2 0.3 86.2 93.2 Italy 420 4.2 20.3 70.3 3.7 1.4 70.3 0.0 0.0 1.4 67.7 72.8 Japan 589 1.7 3.9 93.6 0.8 0.0 93.6 0.0 0.0 0.0 91.6 95.5 Jordan 634 2.0 6.3 86.6 4.4 0.7 86.6 0.5 0.0 0.1 88.5 84.9 Korea, Rep. of 765 0.7 3.0 95.1 1.2 0.0 95.1 0.0 0.0 0.0 94.1 96.1 Latvia (LSS) 357 3.4 2.2 90.2 3.6 0.7 90.2 0.5 0.2 0.0 91.0 89.2 Lithuania 288 3.0 1.3 89.7 4.0 2.0 89.7 0.0 0.3 1.7 88.5 91.1 Macedonia, Rep. of 497 4.2 3.8 82.9 5.7 3.4 82.9 0.8 0.1 2.5 83.0 82.7 Malaysia 700 2.3 2.8 92.8 2.0 0.0 92.8 0.0 0.0 0.0 93.5 92.0 Moldova 450 0.3 3.3 92.9 1.5 2.0 92.9 0.7 0.4 0.8 91.5 94.4 Morocco 665 8.9 29.1 45.4 11.0 5.6 45.4 0.1 0.5 5.0 41.3 48.2 Netherlands 371 2.8 1.8 88.9 5.0 1.4 88.9 0.0 0.1 1.3 87.6 90.2 New Zealand 455 3.4 3.7 88.0 4.3 0.6 88.0 0.0 0.0 0.6 87.6 88.4 Philippines 836 6.5 17.7 59.9 15.1 0.9 59.9 0.0 0.3 0.6 60.0 59.7 Romania 435 1.8 5.1 88.4 3.0 1.7 88.4 0.5 0.5 0.8 90.6 86.3 Russian Federation 527 0.7 2.4 94.5 0.6 1.8 94.5 0.0 0.0 1.8 95.0 94.0 Singapore 625 0.2 1.0 98.0 0.8 0.0 98.0 0.0 0.0 0.0 97.6 98.3 Slovak Republic 430 0.9 3.6 93.6 1.2 0.7 93.6 0.0 0.0 0.7 94.1 93.1 Slovenia 380 1.8 10.7 83.0 3.7 0.8 83.0 0.0 0.0 0.8 84.3 81.8 South Africa 1006 8.2 13.3 53.3 23.6 1.5 53.3 0.2 0.1 1.2 51.3 55.7 Thailand 712 2.7 9.8 84.7 2.7 0.2 84.7 0.0 0.2 0.0 82.1 87.9 Tunisia 627 2.8 14.6 74.7 4.9 2.9 74.7 2.3 0.0 0.6 71.5 77.8 Turkey 986 7.5 7.6 73.9 10.5 0.5 73.9 0.1 0.2 0.2 72.1 75.2 United States 1128 4.2 4.5 83.9 6.9 0.5 83.9 0.0 0.0 0.5 85.1 82.8

International Avg. . 3.1 6.9 84.5 4.5 1.0 84.5 0.2 0.1 0.8 83.9 85.0

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 64Percent of responses by Item Category - 8th Grade

Science: PhysicsLabel: Gravity acting on rocket ( S022012 - J05 )Item Type = MC Key = D

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 28.5 9.9 16.2 45.1 0.3 45.1 0.2 0.0 0.1 39.4 50.3 Belgium (Flemish) 656 33.3 18.3 19.2 28.7 0.5 28.7 0.2 0.0 0.3 21.4 36.1 Bulgaria 413 33.8 10.1 17.6 34.5 4.0 34.5 0.5 0.2 3.3 25.6 43.1 Canada 1086 31.9 5.8 17.0 45.0 0.3 45.0 0.1 0.2 0.0 40.7 49.1 Chile 726 37.7 19.5 19.7 22.9 0.3 22.9 0.0 0.0 0.3 21.5 24.3 Chinese Taipei 725 19.4 16.5 15.5 48.5 0.1 48.5 0.0 0.0 0.1 47.1 49.9 Cyprus 388 14.2 21.2 33.5 29.7 1.4 29.7 0.0 0.0 1.4 21.4 36.9 Czech Republic 440 21.5 4.7 7.9 64.8 1.1 64.8 0.4 0.0 0.7 56.6 74.1 England 373 33.7 6.5 16.3 43.3 0.2 43.3 0.0 0.0 0.2 32.1 54.9 Finland 362 21.7 7.1 18.4 52.6 0.2 52.6 0.0 0.0 0.2 43.6 60.5 Hong Kong, SAR 649 22.1 24.9 28.6 23.9 0.5 23.9 0.0 0.1 0.3 22.1 25.7 Hungary 400 19.3 3.6 11.9 64.8 0.4 64.8 0.2 0.0 0.2 60.4 69.5 Indonesia . . . . . . . . . . . . Iran, Islamic Rep. 668 40.5 13.0 16.2 30.0 0.3 30.0 0.0 0.0 0.3 26.4 32.5 Israel 511 40.0 17.1 14.9 26.2 1.7 26.2 0.2 0.2 1.4 17.4 37.0 Italy 420 44.7 12.7 16.7 24.7 1.2 24.7 0.0 0.0 1.2 19.2 29.8 Japan 589 25.7 12.9 21.4 40.0 0.0 40.0 0.0 0.0 0.0 31.0 48.5 Jordan 634 36.3 15.9 10.8 35.9 1.2 35.9 0.8 0.0 0.3 34.2 37.3 Korea, Rep. of 764 32.6 12.1 26.3 28.9 0.1 28.9 0.0 0.0 0.1 20.1 37.7 Latvia (LSS) 357 24.1 20.4 30.3 23.6 1.5 23.6 0.6 0.2 0.7 18.8 29.2 Lithuania 288 29.3 10.1 9.5 48.4 2.7 48.4 0.0 0.3 2.4 43.8 53.5 Macedonia, Rep. of 497 31.6 26.1 18.8 19.2 4.3 19.2 0.7 0.1 3.5 17.8 20.8 Malaysia 700 41.4 12.4 24.7 21.1 0.4 21.1 0.2 0.0 0.2 15.6 27.4 Moldova 450 29.4 13.8 13.4 41.7 1.8 41.7 0.0 0.4 1.4 40.7 42.7 Morocco 665 20.6 28.3 28.8 16.7 5.7 16.7 0.0 0.6 5.0 15.4 17.4 Netherlands 371 29.8 7.8 23.1 38.8 0.5 38.8 0.2 0.1 0.2 34.1 43.6 New Zealand 456 33.1 8.5 19.1 39.0 0.4 39.0 0.2 0.0 0.2 37.9 40.1 Philippines 836 33.3 21.0 18.3 27.1 0.4 27.1 0.0 0.3 0.1 29.5 24.2 Romania 435 34.7 19.1 14.7 29.4 2.0 29.4 0.0 0.5 1.5 31.6 27.4 Russian Federation 526 30.4 9.6 13.4 45.5 1.1 45.5 0.4 0.0 0.7 38.5 53.4 Singapore 625 25.2 8.7 16.7 49.2 0.2 49.2 0.0 0.0 0.2 42.9 55.7 Slovak Republic 430 22.4 2.4 6.9 68.3 0.0 68.3 0.0 0.0 0.0 58.7 77.6 Slovenia 380 25.9 11.0 15.7 45.8 1.6 45.8 0.2 0.0 1.4 38.1 53.8 South Africa 1006 42.2 24.6 16.8 15.3 1.1 15.3 0.3 0.1 0.6 17.2 13.1 Thailand 712 37.6 9.3 22.3 30.5 0.3 30.5 0.0 0.2 0.1 28.8 32.6 Tunisia 620 49.3 13.0 16.9 18.6 2.1 18.6 1.1 0.0 1.0 15.6 21.4 Turkey 986 51.7 12.0 13.0 22.0 1.4 22.0 0.0 0.2 1.2 19.5 23.9 United States 1128 30.7 6.0 17.2 45.7 0.4 45.7 0.1 0.0 0.3 38.9 52.3

International Avg. . 31.3 13.4 18.0 36.1 1.1 36.1 0.2 0.1 0.8 31.4 40.7

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 65Percent of responses by Item Category - 8th Grade

Science: Earth ScienceLabel: Factor explaining seasons on Earth ( S022082 - J06 )Item Type = MC Key = C

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 49.9 6.4 41.0 2.2 0.5 41.0 0.2 0.0 0.3 37.9 43.8 Belgium (Flemish) 656 54.0 18.9 22.2 4.2 0.7 22.2 0.3 0.0 0.4 16.8 27.6 Bulgaria 413 52.9 9.5 33.6 0.8 3.2 33.6 2.2 0.2 0.7 30.4 36.3 Canada 1086 53.6 6.4 38.4 0.9 0.7 38.4 0.3 0.2 0.2 31.5 44.8 Chile 726 71.1 10.7 14.7 2.6 1.0 14.7 0.0 0.0 1.0 8.6 20.6 Chinese Taipei 725 44.4 12.8 39.9 2.5 0.4 39.9 0.1 0.0 0.3 34.9 44.8 Cyprus 389 57.4 11.7 24.1 4.9 1.8 24.1 0.7 0.0 1.1 19.6 27.7 Czech Republic 440 61.3 9.0 28.5 1.1 0.1 28.5 0.0 0.0 0.0 24.0 33.6 England 373 43.7 8.8 44.2 1.4 1.9 44.2 1.5 0.0 0.4 39.1 49.5 Finland 362 54.0 8.9 34.2 0.0 2.9 34.2 0.0 0.0 2.9 28.5 39.2 Hong Kong, SAR 649 42.9 5.9 48.2 2.8 0.1 48.2 0.0 0.1 0.0 46.7 49.7 Hungary 400 65.9 9.1 22.5 0.5 2.0 22.5 0.8 0.0 1.1 17.7 28.3 Indonesia 729 73.3 16.1 7.4 3.0 0.3 7.4 0.0 0.0 0.3 8.4 6.2 Iran, Islamic Rep. 668 67.3 14.6 13.5 3.9 0.8 13.5 0.0 0.0 0.8 6.4 18.5 Israel 511 46.8 20.1 28.3 2.1 2.8 28.3 0.0 0.2 2.6 26.7 30.3 Italy 420 45.0 8.1 43.6 1.4 2.0 43.6 0.0 0.0 2.0 41.7 45.3 Japan 589 37.4 8.8 51.7 1.1 1.0 51.7 0.9 0.0 0.1 47.3 55.7 Jordan 635 55.7 20.7 17.1 4.3 2.1 17.1 0.6 0.0 1.5 16.9 17.4 Korea, Rep. of 765 64.0 4.3 30.1 1.2 0.4 30.1 0.0 0.0 0.4 28.4 31.8 Latvia (LSS) 357 72.5 11.3 13.3 1.6 1.3 13.3 0.6 0.2 0.5 10.5 16.6 Lithuania 288 65.7 6.2 25.9 0.8 1.3 25.9 0.0 0.3 1.1 20.5 32.0 Macedonia, Rep. of 497 69.1 14.8 11.7 1.5 2.8 11.7 0.2 0.1 2.5 8.3 15.5 Malaysia 700 65.6 6.3 25.2 1.9 1.0 25.2 0.0 0.0 1.0 23.0 27.8 Moldova 450 66.1 8.6 21.6 1.6 2.0 21.6 0.5 0.4 1.1 19.7 23.7 Morocco 664 43.5 17.3 17.9 15.2 6.1 17.9 0.1 0.6 5.3 13.8 20.6 Netherlands 371 55.0 15.0 27.2 2.2 0.5 27.2 0.0 0.1 0.4 25.4 29.1 New Zealand 456 45.4 13.1 38.1 2.5 0.9 38.1 0.5 0.0 0.4 34.6 41.3 Philippines 836 70.0 12.3 12.8 4.2 0.6 12.8 0.0 0.3 0.4 13.1 12.5 Romania 435 62.1 15.8 16.7 1.5 4.0 16.7 2.1 0.5 1.4 14.7 18.6 Russian Federation 527 61.6 5.0 30.1 0.4 3.0 30.1 1.2 0.0 1.8 29.8 30.3 Singapore 625 73.3 6.1 18.2 2.4 0.0 18.2 0.0 0.0 0.0 17.0 19.4 Slovak Republic 430 60.4 7.2 30.1 0.8 1.5 30.1 0.5 0.0 1.0 26.1 34.0 Slovenia 380 61.4 6.4 29.4 1.0 1.8 29.4 1.1 0.0 0.7 24.5 34.3 South Africa 1006 57.8 19.2 15.3 6.3 1.3 15.3 0.5 0.1 0.7 16.8 13.7 Thailand 712 53.4 22.1 21.1 2.8 0.6 21.1 0.0 0.2 0.4 18.6 24.2 Tunisia 627 58.1 19.7 13.0 4.3 4.8 13.0 4.0 0.0 0.8 8.6 17.1 Turkey 986 59.7 17.0 18.2 3.9 1.1 18.2 0.0 0.2 0.9 17.1 19.1 United States 1128 53.2 8.0 36.8 1.7 0.3 36.8 0.1 0.0 0.2 35.1 38.5

International Avg. . 57.8 11.6 26.5 2.6 1.6 26.5 0.5 0.1 1.0 23.4 29.5

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 66Percent of responses by Item Category - 8th Grade

Science: Life ScienceLabel: Reason for protein in diet ( S022094 - J07 )Item Type = MC Key = C

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 51.0 7.8 27.4 13.4 0.5 27.4 0.1 0.0 0.4 33.9 21.6 Belgium (Flemish) 656 31.1 5.3 53.5 9.6 0.5 53.5 0.4 0.0 0.1 52.3 54.8 Bulgaria 413 54.7 4.5 26.3 11.9 2.6 26.3 0.3 0.2 2.0 28.0 24.8 Canada 1086 58.3 5.7 21.5 13.9 0.7 21.5 0.0 0.2 0.5 19.2 23.7 Chile 726 45.0 5.5 23.7 24.9 0.9 23.7 0.0 0.0 0.9 22.4 24.9 Chinese Taipei 725 20.6 6.6 62.0 10.4 0.4 62.0 0.0 0.0 0.4 62.8 61.1 Cyprus 389 38.6 16.3 34.0 10.9 0.2 34.0 0.2 0.0 0.0 32.6 35.3 Czech Republic 440 20.9 15.4 46.7 16.1 1.0 46.7 0.0 0.0 1.0 41.8 52.2 England 373 42.9 11.0 32.7 11.0 2.4 32.7 0.7 0.0 1.8 28.6 36.9 Finland 362 19.0 7.4 61.0 10.9 1.6 61.0 0.0 0.0 1.6 64.9 57.5 Hong Kong, SAR 649 17.1 11.0 52.6 19.0 0.3 52.6 0.0 0.1 0.2 52.3 52.9 Hungary 400 21.2 10.0 44.0 20.8 4.0 44.0 1.6 0.0 2.4 50.4 37.5 Indonesia 730 42.3 1.4 48.8 6.9 0.5 48.8 0.0 0.0 0.5 49.3 48.4 Iran, Islamic Rep. 668 40.8 4.4 35.9 18.0 1.0 35.9 0.0 0.0 1.0 39.8 33.1 Israel 511 47.7 14.5 24.0 11.1 2.7 24.0 0.0 0.4 2.4 26.8 20.7 Italy 420 42.0 6.9 35.9 13.4 1.7 35.9 0.0 0.0 1.7 33.9 37.7 Japan 589 56.8 6.7 29.2 7.2 0.1 29.2 0.0 0.0 0.1 24.5 33.7 Jordan 635 47.4 7.9 26.6 16.7 1.3 26.6 0.6 0.0 0.7 26.3 26.9 Korea, Rep. of 765 47.5 7.7 41.2 3.3 0.3 41.2 0.0 0.0 0.3 33.8 48.6 Latvia (LSS) 357 49.5 3.5 29.2 15.6 2.3 29.2 0.5 0.2 1.5 28.0 30.6 Lithuania 288 41.2 4.9 22.3 28.7 2.9 22.3 0.0 0.3 2.6 22.3 22.3 Macedonia, Rep. of 497 53.1 7.0 10.9 26.1 2.9 10.9 0.1 0.1 2.6 11.5 10.3 Malaysia 700 32.8 2.7 59.7 4.4 0.3 59.7 0.0 0.0 0.3 62.7 56.3 Moldova 450 41.8 3.5 20.1 29.9 4.7 20.1 1.8 0.4 2.4 21.3 18.8 Morocco 665 17.3 18.2 23.3 36.2 5.0 23.3 0.1 0.6 4.2 19.6 26.0 Netherlands 371 29.5 17.8 21.8 29.7 1.2 21.8 0.0 0.1 1.1 24.2 19.6 New Zealand 456 59.7 7.5 20.5 10.8 1.6 20.5 0.6 0.0 1.0 20.8 20.3 Philippines 836 56.4 5.8 15.7 21.1 1.1 15.7 0.0 0.3 0.8 15.6 15.7 Romania 435 45.6 3.9 16.1 28.2 6.3 16.1 3.1 0.5 2.7 17.4 14.9 Russian Federation 527 30.5 11.3 38.1 16.2 4.0 38.1 1.2 0.0 2.7 40.2 35.7 Singapore 625 34.8 5.7 45.0 14.1 0.5 45.0 0.0 0.0 0.5 45.3 44.7 Slovak Republic 430 20.8 15.7 42.5 19.4 1.5 42.5 0.0 0.0 1.5 36.6 48.3 Slovenia 380 36.2 3.4 52.6 6.3 1.6 52.6 0.5 0.0 1.1 60.6 44.3 South Africa 1006 51.4 6.8 10.9 30.0 0.9 10.9 0.3 0.1 0.5 13.0 8.5 Thailand 712 42.3 2.3 49.5 5.5 0.4 49.5 0.0 0.2 0.3 47.7 51.7 Tunisia 627 22.6 9.8 22.1 33.2 12.4 22.1 10.8 0.0 1.6 21.4 22.8 Turkey 986 42.7 4.6 19.6 30.4 2.8 19.6 0.0 0.2 2.5 22.9 17.1 United States 1128 58.3 8.6 19.7 13.0 0.5 19.7 0.0 0.0 0.5 16.4 22.9

International Avg. . 39.8 7.9 33.3 17.0 2.0 33.3 0.6 0.1 1.3 33.4 33.2

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 67Percent of responses by Item Category - 8th Grade

Science: PhysicsLabel: Sunscreen to protect against radiation ( S022278 - J08 )Item Type = MC Key = D

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D E RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 2.1 6.8 2.8 84.6 2.0 1.7 84.6 0.0 0.0 1.7 84.6 84.6 Belgium (Flemish) 656 5.4 18.6 9.2 64.4 1.9 0.4 64.4 0.3 0.0 0.2 59.9 69.0 Bulgaria 413 9.8 6.0 16.2 62.1 1.5 4.4 62.1 1.0 0.2 3.2 64.6 59.0 Canada 1086 5.3 6.8 9.0 74.6 2.5 1.8 74.6 0.3 0.2 1.3 71.4 77.7 Chile 726 5.3 10.8 5.3 76.0 0.9 1.6 76.0 0.0 0.0 1.6 76.4 75.7 Chinese Taipei 725 2.3 0.4 2.6 94.1 0.4 0.1 94.1 0.0 0.0 0.1 94.4 93.7 Cyprus 387 21.5 29.2 14.6 25.6 8.5 0.6 25.6 0.3 0.0 0.3 19.4 31.0 Czech Republic 440 10.1 0.0 13.7 75.4 0.0 0.7 75.4 0.0 0.0 0.7 76.3 74.4 England 373 14.8 1.9 9.1 64.0 8.4 1.9 64.0 0.3 0.0 1.6 55.4 72.9 Finland 362 15.0 0.7 4.4 76.7 2.0 1.2 76.7 0.0 0.0 1.2 72.7 80.2 Hong Kong, SAR 649 6.8 1.6 6.1 84.4 0.9 0.3 84.4 0.0 0.1 0.2 87.2 81.6 Hungary 400 5.4 0.3 3.5 86.9 2.1 1.8 86.9 1.0 0.0 0.7 85.6 88.6 Indonesia 730 7.3 13.6 2.8 72.3 3.5 0.4 72.3 0.0 0.0 0.4 71.7 73.0 Iran, Islamic Rep. 668 23.9 36.6 15.4 16.5 7.0 0.6 16.5 0.0 0.0 0.6 14.1 18.3 Israel 511 13.5 17.1 12.2 39.3 13.7 4.2 39.3 0.3 0.4 3.5 35.1 44.7 Italy 420 8.9 13.9 4.9 68.1 3.2 0.9 68.1 0.0 0.0 0.9 63.7 72.2 Japan 589 2.3 1.1 15.8 79.0 1.0 0.8 79.0 0.3 0.0 0.5 83.0 75.1 Jordan 635 14.4 12.7 17.2 42.8 9.7 3.1 42.8 1.1 0.0 2.1 50.2 36.4 Korea, Rep. of 765 5.4 0.9 15.8 77.0 0.7 0.3 77.0 0.0 0.0 0.3 80.2 73.8 Latvia (LSS) 357 25.3 3.3 10.4 54.5 4.9 1.6 54.5 0.3 0.2 1.1 56.5 52.0 Lithuania 288 14.5 4.1 6.6 70.2 1.3 3.3 70.2 0.0 0.3 3.1 80.3 58.9 Macedonia, Rep. of 497 21.6 18.8 12.8 35.7 7.9 3.2 35.7 0.3 0.1 2.8 40.4 30.4 Malaysia 700 23.0 11.1 7.3 53.6 4.3 0.7 53.6 0.0 0.0 0.7 54.4 52.6 Moldova 450 22.3 6.5 14.4 44.7 8.2 3.9 44.7 0.8 0.4 2.7 42.2 47.4 Morocco 665 20.0 24.0 24.0 17.7 10.0 4.3 17.7 0.4 0.6 3.2 14.5 20.1 Netherlands 371 11.4 0.7 9.3 75.4 2.5 0.6 75.4 0.0 0.1 0.5 71.6 79.4 New Zealand 456 4.9 7.8 2.3 79.7 3.6 1.6 79.7 0.2 0.0 1.4 78.7 80.7 Philippines 836 4.7 18.7 5.6 57.0 12.5 1.5 57.0 0.0 0.3 1.2 62.4 50.6 Romania 435 11.0 25.6 10.0 47.6 2.4 3.4 47.6 1.7 0.5 1.3 47.1 48.0 Russian Federation 527 12.4 4.5 10.4 65.4 4.3 2.9 65.4 0.0 0.0 2.9 66.4 64.3 Singapore 625 1.1 3.1 2.9 91.0 1.5 0.4 91.0 0.0 0.0 0.4 92.4 89.6 Slovak Republic 430 9.4 3.5 7.3 78.6 1.0 0.2 78.6 0.0 0.0 0.2 81.9 75.4 Slovenia 380 5.3 2.0 7.0 83.5 1.2 1.0 83.5 0.3 0.0 0.6 86.3 80.7 South Africa 1006 16.9 30.8 6.6 18.0 26.0 1.7 18.0 0.5 0.1 1.0 18.3 17.7 Thailand 712 5.2 1.8 3.6 86.0 2.9 0.5 86.0 0.0 0.2 0.3 91.3 79.6 Tunisia 627 22.5 13.6 17.4 33.4 6.4 6.6 33.4 5.0 0.0 1.6 28.5 37.9 Turkey 986 24.3 28.3 1.7 31.6 11.8 2.4 31.6 0.0 0.2 2.1 31.7 31.5 United States 1128 6.2 8.9 8.5 69.5 6.0 0.9 69.5 0.0 0.0 0.9 65.5 73.4

International Avg. . 11.6 10.4 9.2 62.0 5.0 1.8 62.0 0.4 0.1 1.3 62.0 61.9

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 68Percent of responses by Item Category - 8th Grade

Science: Earth ScienceLabel: Life on other planets ( S022081 - J09 )Item Type = SA Key = X

NOT REACH 1.GIRL 2.BOY COUNTRY N 10 11 12 13 14 19 70 71 72 79 99 V1 ED OMIT % Right % Right

Australia 494 51.8 0.6 6.4 1.4 19.4 3.5 2.7 1.8 0.5 5.3 6.5 83.1 0.0 6.5 88.3 78.5 Belgium (Flemish) 656 62.3 0.5 7.0 1.0 4.6 1.5 8.4 1.6 0.6 6.1 6.3 76.9 0.0 6.3 81.6 72.3 Bulgaria 412 35.6 0.6 9.0 0.8 14.0 4.7 11.0 0.0 0.2 3.9 20.2 64.7 0.2 20.0 66.1 62.9 Canada 1086 50.5 1.1 9.5 1.5 18.0 1.4 6.4 0.9 0.8 6.9 2.9 82.0 0.2 2.7 87.4 77.1 Chile 726 35.1 0.5 4.6 1.8 10.0 4.7 7.7 0.1 1.1 12.9 21.6 56.6 0.0 21.6 57.8 55.5 Chinese Taipei 725 47.3 0.6 19.4 0.9 10.9 0.3 6.3 0.9 0.5 8.4 4.6 79.3 0.0 4.6 79.9 78.7 Cyprus 384 27.3 0.3 1.3 5.4 3.5 13.2 24.9 0.6 0.7 5.3 17.5 51.1 0.0 17.5 54.1 48.7 Czech Republic 440 53.2 1.4 4.0 1.5 12.4 2.5 4.0 0.0 0.1 10.7 10.2 75.0 0.0 10.2 74.8 75.2 England 373 59.5 0.0 3.8 0.7 14.6 3.1 4.6 1.5 0.8 6.4 5.0 81.6 0.0 5.0 79.6 83.8 Finland 362 43.1 0.6 8.5 0.0 24.6 2.8 5.9 0.9 1.2 9.1 3.1 79.7 0.4 2.7 84.4 75.6 Hong Kong, SAR 649 40.8 0.2 10.9 1.5 14.5 2.4 11.8 0.3 0.4 12.4 4.9 70.2 0.1 4.7 71.1 69.2 Hungary 400 54.1 2.6 13.5 1.3 10.4 1.2 4.3 0.0 0.0 5.8 7.0 83.0 0.0 7.0 86.4 79.9 Indonesia 729 48.0 4.9 3.8 0.2 1.3 1.0 13.8 1.7 0.0 22.4 2.8 59.3 0.0 2.8 56.1 62.8 Iran, Islamic Rep. 668 29.7 1.8 0.7 0.4 11.5 0.4 7.4 0.0 0.1 23.2 24.7 44.6 0.0 24.7 45.4 44.0 Israel 511 42.0 1.5 7.3 1.1 7.2 2.5 8.8 1.3 0.2 9.1 19.2 61.5 0.4 18.8 60.5 63.1 Italy 420 51.2 1.2 4.1 0.5 8.9 4.5 6.5 0.2 0.5 10.7 11.8 70.3 0.0 11.8 69.1 71.5 Japan 589 52.4 0.7 5.1 4.2 5.3 1.0 14.4 0.6 0.0 10.8 5.4 68.7 0.0 5.4 71.3 66.2 Jordan 635 45.2 0.9 5.4 1.6 5.1 1.3 5.9 0.8 1.3 20.7 11.9 59.5 0.0 11.9 70.9 49.7 Korea, Rep. of 765 47.9 1.3 13.9 4.9 8.8 0.1 7.7 3.3 0.9 5.4 5.9 76.8 0.0 5.9 77.0 76.6 Latvia (LSS) 357 50.1 11.3 10.7 1.4 4.8 1.6 3.3 0.4 0.0 5.1 11.4 79.8 0.2 11.2 81.5 77.8 Lithuania 288 57.6 0.7 2.5 0.9 4.7 0.8 5.8 0.0 0.0 10.3 16.7 67.3 0.3 16.4 69.2 65.2 Macedonia, Rep. of 497 47.6 1.4 2.4 1.6 0.6 4.7 0.4 0.0 2.7 8.6 30.1 58.2 0.1 30.0 60.6 55.6 Malaysia 700 55.8 0.9 3.1 1.4 3.7 2.0 18.8 1.4 0.7 6.1 6.1 66.9 0.0 6.1 70.2 63.2 Moldova 450 29.6 7.5 4.9 0.9 1.4 6.6 6.8 0.0 0.0 18.5 23.8 50.9 0.4 23.3 55.2 46.2 Morocco 665 15.1 1.7 3.7 0.6 2.5 1.5 19.9 1.4 0.2 21.9 31.5 25.1 0.6 30.8 27.7 23.4 Netherlands 371 61.3 0.3 8.3 1.7 8.9 0.2 7.9 0.3 1.3 8.6 1.1 80.7 0.1 1.0 79.6 81.7 New Zealand 456 47.1 0.9 8.1 0.7 19.9 3.1 6.2 0.6 0.0 8.0 5.4 79.8 0.0 5.4 85.0 75.0 Philippines 836 15.0 0.2 6.2 0.8 2.3 1.4 19.9 0.5 0.0 24.1 29.5 26.0 0.3 29.2 29.1 22.3 Romania 435 32.3 1.2 4.0 2.2 6.6 2.0 12.8 0.0 0.5 12.4 26.0 48.3 0.5 25.5 55.5 41.5 Russian Federation 527 46.3 2.1 9.7 1.8 11.6 1.5 6.9 0.5 0.7 4.8 13.9 73.2 0.0 13.9 75.1 71.0 Singapore 625 56.6 1.3 12.6 0.7 11.9 2.3 3.0 1.9 0.3 5.4 3.9 85.5 0.0 3.9 87.3 83.7 Slovak Republic 430 55.2 5.3 5.5 2.6 15.3 5.5 2.3 0.0 0.0 3.6 4.7 89.4 0.0 4.7 91.6 87.3 Slovenia 380 62.0 0.2 7.3 1.0 6.7 0.6 8.0 0.4 1.8 5.1 6.9 77.9 0.0 6.9 83.4 72.3 South Africa 1006 16.0 0.4 0.8 1.5 1.6 1.1 10.1 0.3 0.6 38.6 29.1 21.4 0.1 29.0 22.3 20.3 Thailand 712 47.5 1.0 3.2 0.3 5.4 4.9 10.5 2.2 0.3 19.6 5.1 62.2 0.2 4.9 65.2 58.7 Tunisia 624 43.8 2.1 10.7 1.9 2.8 3.0 16.2 0.8 0.7 7.1 10.9 64.3 0.0 10.9 61.6 66.8 Turkey 986 35.3 2.1 3.6 1.5 1.8 3.0 3.8 1.0 0.7 14.5 32.9 47.1 0.2 32.7 47.4 46.9 United States 1128 47.7 0.6 9.4 0.4 18.0 1.7 4.9 0.9 0.3 10.9 5.1 77.8 0.0 5.0 80.8 74.9

International Avg. . 44.7 1.6 6.7 1.4 8.8 2.6 8.7 0.8 0.6 11.3 12.8 65.9 0.1 12.7 68.2 63.8

V1 = % Scoring 1 or better V2 = % Scoring 2 or better V3 = % Scoring 3 or betterPercent right for boys and girls corresponds to the percent obtaining the maximum score on the item.Because of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 58Percent of responses by Item Category - 8th Grade

Mathematics: MeasurementLabel: Area of path around garden ( M022022 - J10 )Item Type = MC Key = B

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 16.0 52.2 24.0 6.5 1.3 52.2 0.1 0.0 1.2 45.3 58.3 Belgium (Flemish) 656 17.5 50.5 23.1 8.1 0.8 50.5 0.0 0.0 0.8 48.8 52.2 Bulgaria 413 11.3 42.2 30.5 7.3 8.8 42.2 0.5 0.2 8.1 43.1 40.6 Canada 1086 24.2 50.7 19.9 4.6 0.7 50.7 0.1 0.2 0.4 50.0 51.3 Chile 726 18.7 18.1 38.4 18.3 6.5 18.1 0.0 0.2 6.3 20.7 15.6 Chinese Taipei 725 12.0 72.8 11.0 3.6 0.5 72.8 0.0 0.0 0.5 73.6 72.0 Cyprus 387 25.8 45.0 18.7 8.0 2.5 45.0 0.0 0.0 2.5 44.4 45.2 Czech Republic 405 18.4 40.5 31.7 6.1 3.3 40.5 0.4 0.0 2.9 34.7 47.2 England 373 20.6 40.2 29.9 8.0 1.2 40.2 0.0 0.0 1.2 33.7 47.0 Finland 362 14.9 46.1 29.5 7.9 1.6 46.1 0.0 0.4 1.1 44.8 47.2 Hong Kong, SAR 649 8.4 79.4 8.3 3.0 0.9 79.4 0.1 0.1 0.6 78.8 80.0 Hungary 400 20.1 45.7 23.0 7.6 3.4 45.7 0.2 0.0 3.2 44.6 46.7 Indonesia 730 36.7 24.9 21.3 15.5 1.7 24.9 0.0 0.0 1.7 25.6 24.0 Iran, Islamic Rep. 668 26.3 26.5 30.4 15.2 1.6 26.5 0.0 0.0 1.6 22.4 29.4 Israel 511 16.7 28.1 34.9 13.8 6.5 28.1 0.0 0.5 5.9 24.8 32.3 Italy 420 32.0 44.8 14.5 5.6 3.2 44.8 0.0 0.0 3.2 41.4 47.9 Japan 589 8.5 73.7 14.5 2.5 0.8 73.7 0.0 0.0 0.8 73.4 73.9 Jordan 635 22.6 29.1 21.5 24.1 2.7 29.1 1.0 0.0 1.7 28.1 30.0 Korea, Rep. of 765 14.6 66.6 12.9 5.7 0.3 66.6 0.0 0.0 0.3 59.5 73.7 Latvia (LSS) 357 21.2 27.9 35.3 10.9 4.7 27.9 0.2 0.2 4.3 25.0 31.4 Lithuania 288 26.8 30.7 18.6 17.0 6.8 30.7 0.3 0.3 6.2 27.7 34.1 Macedonia, Rep. of 497 22.1 29.8 23.7 9.2 15.2 29.8 0.0 0.5 14.7 28.5 31.4 Malaysia 700 22.0 52.0 18.3 6.0 1.7 52.0 0.0 0.2 1.5 52.3 51.6 Moldova 450 27.5 33.8 22.6 9.5 6.5 33.8 0.6 0.4 5.5 31.1 36.8 Morocco 665 24.8 30.8 26.0 12.4 6.0 30.8 1.5 0.6 3.8 26.8 33.6 Netherlands 371 22.0 56.7 12.9 7.0 1.5 56.7 0.3 0.1 1.1 54.7 58.8 New Zealand 456 22.8 40.1 27.4 8.4 1.3 40.1 0.0 0.0 1.3 37.7 42.2 Philippines 836 27.5 15.4 38.5 16.8 1.8 15.4 0.2 0.4 1.1 13.4 17.9 Romania 434 35.8 29.3 20.9 7.3 6.7 29.3 0.2 0.5 6.0 27.8 30.8 Russian Federation 527 31.4 37.9 16.6 7.0 7.0 37.9 0.0 0.0 7.0 37.1 38.8 Singapore 625 14.1 77.6 6.6 1.6 0.1 77.6 0.0 0.0 0.1 78.1 77.1 Slovak Republic 430 22.8 51.4 17.0 3.8 5.0 51.4 0.0 0.0 5.0 46.4 56.3 Slovenia 380 22.3 45.7 18.6 8.5 5.0 45.7 0.0 0.0 5.0 40.5 51.0 South Africa 1006 21.7 14.7 36.0 26.5 1.1 14.7 0.3 0.1 0.7 16.8 12.2 Thailand 712 24.1 34.9 33.9 6.7 0.4 34.9 0.0 0.2 0.3 35.8 33.8 Tunisia 627 16.5 38.3 28.8 12.9 3.5 38.3 0.0 0.2 3.4 33.2 42.9 Turkey 986 28.3 22.4 30.3 15.0 4.1 22.4 0.0 0.2 3.9 19.4 24.6 United States 1128 30.0 32.5 31.2 5.7 0.5 32.5 0.0 0.0 0.5 28.6 36.4

International Avg. . 21.8 41.5 23.7 9.6 3.3 41.5 0.2 0.1 3.0 39.4 43.6

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 59Percent of responses by Item Category - 8th Grade

Mathematics: GeometryLabel: NOT true for all rectangles ( M022246 - J11 )Item Type = MC Key = E

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D E RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 4.4 4.8 7.6 20.6 60.9 1.8 60.9 1.4 0.0 0.4 61.9 59.9 Belgium (Flemish) 656 5.0 4.3 4.3 9.8 73.9 2.7 73.9 2.3 0.0 0.4 70.4 77.4 Bulgaria 413 5.2 5.1 10.9 5.5 68.2 5.1 68.2 1.0 0.2 3.9 73.7 62.2 Canada 1086 4.1 4.9 10.2 23.7 55.0 2.2 55.0 0.8 0.2 1.2 58.0 52.2 Chile 726 10.0 14.6 21.0 15.6 35.8 2.9 35.8 0.0 0.2 2.7 36.8 34.8 Chinese Taipei 725 3.8 6.6 7.1 11.1 71.1 0.4 71.1 0.0 0.0 0.4 73.3 68.9 Cyprus 388 11.4 5.9 13.9 11.8 53.8 3.2 53.8 2.3 0.0 0.9 54.7 53.2 Czech Republic 405 14.9 10.7 26.1 13.3 28.1 6.8 28.1 3.5 0.0 3.4 25.8 30.8 England 373 4.0 4.3 10.5 18.3 57.6 5.2 57.6 3.9 0.0 1.3 53.4 62.0 Finland 362 8.4 8.2 11.2 24.6 38.4 9.2 38.4 0.0 0.4 8.7 40.9 36.2 Hong Kong, SAR 649 2.4 2.7 4.1 37.5 52.8 0.5 52.8 0.0 0.1 0.3 51.1 54.6 Hungary 400 1.5 2.1 9.0 13.0 69.1 5.2 69.1 3.0 0.0 2.2 70.9 67.2 Indonesia 730 10.2 9.4 14.9 27.7 34.3 3.5 34.3 0.0 0.0 3.4 33.7 34.9 Iran, Islamic Rep. 668 11.3 9.1 13.6 19.1 46.1 0.8 46.1 0.0 0.0 0.8 41.5 49.4 Israel 511 8.5 13.8 20.6 12.3 38.8 6.0 38.8 0.9 0.5 4.6 39.3 38.4 Italy 420 7.7 11.1 12.9 9.5 56.4 2.4 56.4 0.0 0.3 2.1 49.6 62.7 Japan 589 2.3 5.0 4.8 10.4 76.0 1.5 76.0 0.8 0.0 0.7 73.5 78.4 Jordan 635 11.1 9.1 17.0 9.2 50.4 3.1 50.4 2.2 0.0 0.9 49.2 51.5 Korea, Rep. of 765 2.4 11.8 4.3 8.7 72.7 0.1 72.7 0.0 0.0 0.1 68.8 76.5 Latvia (LSS) 357 8.9 5.4 9.7 7.6 64.1 4.3 64.1 0.8 0.9 2.6 61.9 66.7 Lithuania 288 13.4 7.4 8.5 10.4 55.4 4.9 55.4 0.0 0.3 4.7 56.1 54.7 Macedonia, Rep. of 497 5.8 6.0 15.3 10.2 53.7 9.0 53.7 2.1 0.5 6.4 53.1 54.4 Malaysia 700 11.8 6.5 8.4 20.7 52.1 0.4 52.1 0.0 0.2 0.2 50.6 53.9 Moldova 450 11.0 8.2 12.2 11.2 52.8 4.6 52.8 0.7 0.4 3.4 51.3 54.5 Morocco 665 10.8 20.0 21.7 12.8 26.5 8.3 26.5 0.3 0.8 7.3 21.1 30.4 Netherlands 371 8.8 19.1 13.5 15.8 42.2 0.6 42.2 0.0 0.1 0.5 47.2 37.6 New Zealand 456 5.6 7.8 10.7 19.4 53.3 3.2 53.3 2.5 0.0 0.6 56.8 50.2 Philippines 836 14.2 16.9 25.4 12.9 29.2 1.3 29.2 0.2 0.4 0.7 32.1 25.7 Romania 435 6.7 9.4 13.7 4.8 59.2 6.3 59.2 2.5 0.5 3.3 67.1 51.7 Russian Federation 527 5.4 5.0 9.9 6.0 70.6 3.2 70.6 0.4 0.0 2.8 71.6 69.4 Singapore 625 2.7 5.9 4.1 25.4 61.4 0.5 61.4 0.4 0.0 0.2 60.3 62.5 Slovak Republic 430 7.7 8.0 7.8 11.1 63.8 1.7 63.8 0.3 0.0 1.4 61.4 66.1 Slovenia 380 5.8 9.8 9.7 10.4 61.5 2.7 61.5 1.8 0.0 0.9 57.0 66.2 South Africa 1006 15.3 15.9 28.3 13.1 24.3 3.1 24.3 2.5 0.1 0.6 23.7 24.9 Thailand 712 4.5 5.9 8.3 14.0 66.8 0.5 66.8 0.0 0.2 0.3 66.3 67.5 Tunisia 627 4.2 3.6 4.2 5.9 74.5 7.6 74.5 6.9 0.2 0.5 68.9 79.7 Turkey 986 18.3 6.7 16.4 14.8 42.1 1.7 42.1 0.0 0.2 1.5 41.0 42.9 United States 1128 7.0 9.0 14.8 22.5 46.2 0.4 46.2 0.0 0.0 0.4 44.2 48.2

International Avg. . 7.8 8.4 12.3 14.5 53.7 3.3 53.7 1.1 0.2 2.0 53.1 54.2

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 60Percent of responses by Item Category - 8th Grade

Mathematics: Fractions and Number SenseLabel: Division of fractions ( M022026 - J12 )Item Type = SA Key = X

NOT REACH 1.GIRL 2.BOY COUNTRY N 10 19 70 77 79 99 V1 ED OMIT % Right % Right

Australia 494 18.7 4.0 20.3 0.0 43.2 13.8 22.7 0.0 13.8 20.5 24.7 Belgium (Flemish) 656 47.0 11.5 5.3 0.0 27.3 9.0 58.5 0.0 9.0 63.6 53.4 Bulgaria 412 64.2 7.6 2.3 0.0 15.3 10.6 71.7 0.2 10.3 76.2 66.9 Canada 1086 18.5 13.4 13.9 0.0 44.6 9.6 31.9 0.2 9.4 36.5 27.6 Chile 726 11.3 14.7 5.5 9.6 35.7 23.3 26.0 0.4 22.8 25.4 26.5 Chinese Taipei 725 82.7 0.6 2.8 0.0 11.0 3.0 83.3 0.0 3.0 90.1 76.5 Cyprus 388 12.7 8.5 13.3 0.0 40.6 24.9 21.2 0.0 24.9 23.5 19.4 Czech Republic 406 50.9 4.8 4.9 0.0 32.9 6.6 55.7 0.0 6.6 62.5 47.8 England 373 4.3 0.0 24.4 0.0 57.8 13.4 4.3 0.0 13.4 3.8 4.8 Finland 362 11.6 5.6 21.0 0.0 47.3 14.5 17.2 0.4 14.1 17.8 16.8 Hong Kong, SAR 649 80.3 0.4 1.4 0.0 13.4 4.5 80.6 0.1 4.4 83.3 78.1 Hungary 400 45.6 20.7 2.5 0.0 22.9 8.3 66.3 0.0 8.3 68.5 63.9 Indonesia 730 12.9 10.8 24.6 0.0 36.7 15.0 23.7 0.0 15.0 27.2 19.9 Iran, Islamic Rep. 668 28.8 5.7 15.5 0.0 42.0 8.0 34.5 0.0 8.0 35.6 33.7 Israel 511 18.1 4.4 12.8 0.0 37.0 27.7 22.4 0.5 27.2 25.8 18.5 Italy 420 61.3 1.7 5.3 0.0 18.4 13.3 63.0 0.3 13.0 63.1 62.9 Japan 589 77.6 1.7 0.3 0.0 15.1 5.2 79.4 0.0 5.2 81.2 77.7 Jordan 635 18.4 13.4 18.3 0.0 38.5 11.4 31.8 0.0 11.4 39.4 25.3 Korea, Rep. of 765 79.8 0.5 2.8 0.0 12.2 4.6 80.3 0.0 4.6 84.2 76.4 Latvia (LSS) 357 56.9 10.7 7.4 0.0 15.0 10.1 67.6 0.9 9.2 68.6 66.3 Lithuania 288 56.6 7.5 2.6 0.0 24.2 9.0 64.1 0.3 8.8 65.7 62.3 Macedonia, Rep. of 497 16.4 7.2 7.4 0.0 36.6 32.2 23.7 0.5 31.7 25.5 21.6 Malaysia 700 50.4 3.2 3.8 0.0 33.7 8.8 53.6 0.2 8.7 58.2 48.5 Moldova 450 55.9 1.2 0.2 0.0 32.1 10.6 57.1 0.4 10.2 60.3 53.7 Morocco 665 3.5 0.7 1.5 0.0 60.4 33.9 4.2 0.9 33.1 3.9 4.4 Netherlands 371 7.8 3.8 16.4 0.0 64.2 7.8 11.6 0.1 7.7 13.7 9.5 New Zealand 456 8.2 2.0 15.5 8.3 48.5 17.4 10.2 0.0 17.4 11.4 9.2 Philippines 836 7.6 3.8 38.6 0.0 39.8 10.2 11.4 0.4 9.7 13.5 9.0 Romania 435 58.1 7.0 2.8 0.0 22.5 9.6 65.1 0.5 9.1 72.6 58.1 Russian Federation 527 66.7 5.6 3.6 0.0 17.6 6.6 72.2 0.0 6.6 76.5 67.4 Singapore 625 81.5 2.3 2.4 0.0 11.5 2.3 83.9 0.0 2.3 87.2 80.4 Slovak Republic 430 63.0 8.1 1.7 0.0 19.9 7.3 71.0 0.0 7.3 76.1 66.1 Slovenia 380 69.1 5.0 4.9 0.0 17.4 3.6 74.1 0.0 3.6 79.0 69.1 South Africa 1006 4.0 1.3 26.4 0.0 60.2 8.1 5.3 0.1 8.0 4.7 5.9 Thailand 712 34.9 4.7 1.1 0.0 52.1 7.2 39.6 0.2 7.0 44.3 33.9 Tunisia 626 14.0 14.9 26.1 0.0 21.7 23.2 28.9 0.2 23.1 25.2 32.3 Turkey 986 22.8 18.4 6.7 0.0 39.7 12.4 41.2 0.2 12.1 46.7 37.0 United States 1128 29.0 7.9 16.1 0.0 40.4 6.7 36.8 0.0 6.7 39.1 34.6

International Avg. . 38.2 6.5 10.1 0.5 32.9 11.9 44.6 0.2 11.7 47.4 41.8

V1 = % Scoring 1 or better V2 = % Scoring 2 or better V3 = % Scoring 3 or betterPercent right for boys and girls corresponds to the percent obtaining the maximum score on the item.Because of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 61Percent of responses by Item Category - 8th Grade

Mathematics: Data Representation, Analysis and ProbabilityLabel: Interpretation of pictograph of houses ( M022030 - J13 )Item Type = SA Key = X

NOT REACH 1.GIRL 2.BOY COUNTRY N 10 70 71 79 99 V1 ED OMIT % Right % Right

Australia 494 86.2 0.0 2.9 9.3 1.6 86.2 0.0 1.6 84.4 87.8 Belgium (Flemish) 656 80.2 0.0 2.0 15.3 2.4 80.2 0.0 2.4 82.6 77.9 Bulgaria 412 58.2 1.2 3.2 19.8 17.6 58.2 0.4 17.2 58.4 57.7 Canada 1086 88.2 0.2 1.6 7.9 2.0 88.2 0.2 1.8 89.9 86.6 Chile 726 53.2 2.6 6.9 22.8 14.6 53.2 1.1 13.5 51.6 54.8 Chinese Taipei 725 88.4 1.7 1.8 6.6 1.4 88.4 0.0 1.4 90.0 86.9 Cyprus 387 66.5 1.1 5.9 18.2 8.3 66.5 0.0 8.3 62.5 70.2 Czech Republic 406 76.1 0.4 2.0 15.4 6.1 76.1 0.3 5.8 69.5 83.8 England 373 82.5 0.8 3.0 11.5 2.2 82.5 1.0 1.2 80.2 84.8 Finland 362 85.9 0.2 0.9 11.6 1.5 85.9 0.4 1.0 87.5 84.5 Hong Kong, SAR 649 92.9 0.1 2.3 2.4 2.2 92.9 0.1 2.0 93.9 91.9 Hungary 400 61.5 0.0 2.1 30.6 5.8 61.5 0.0 5.8 61.7 61.1 Indonesia 730 31.5 1.5 8.7 51.8 6.5 31.5 0.0 6.5 33.0 29.8 Iran, Islamic Rep. 668 56.5 1.0 1.9 34.1 6.6 56.5 0.1 6.5 51.5 60.0 Israel 511 60.9 1.0 2.5 28.8 6.9 60.9 0.5 6.3 57.5 65.4 Italy 420 73.7 1.0 3.9 12.6 8.8 73.7 0.3 8.5 70.9 76.3 Japan 589 93.0 0.1 1.1 5.0 0.8 93.0 0.0 0.8 92.8 93.1 Jordan 635 41.8 0.2 6.5 45.0 6.5 41.8 0.0 6.5 41.6 42.0 Korea, Rep. of 765 89.4 0.0 2.9 6.7 0.9 89.4 0.0 0.9 90.6 88.2 Latvia (LSS) 357 78.9 0.8 1.0 14.8 4.5 78.9 0.9 3.7 75.6 82.7 Lithuania 288 77.9 0.0 3.1 12.1 6.9 77.9 0.3 6.6 76.4 79.5 Macedonia, Rep. of 497 53.7 4.2 3.1 25.8 13.1 53.7 0.7 12.4 53.0 54.6 Malaysia 700 84.7 0.4 2.1 10.6 2.2 84.7 0.2 2.0 83.5 86.1 Moldova 450 52.0 0.8 2.0 35.6 9.7 52.0 0.6 9.1 54.6 49.1 Morocco 664 23.4 1.8 7.5 50.3 16.9 23.4 1.0 15.9 19.0 26.6 Netherlands 371 88.5 0.3 1.5 9.3 0.4 88.5 0.1 0.3 89.3 87.6 New Zealand 456 81.6 0.4 2.3 12.4 3.3 81.6 0.0 3.3 84.1 79.4 Philippines 836 35.9 2.2 5.5 49.5 6.8 35.9 0.4 6.4 40.7 30.3 Romania 435 63.1 2.3 3.0 22.5 9.1 63.1 0.5 8.7 67.6 58.8 Russian Federation 527 72.6 1.3 1.0 19.4 5.7 72.6 0.0 5.7 72.6 72.5 Singapore 625 95.2 0.0 1.9 2.0 0.9 95.2 0.0 0.9 96.0 94.4 Slovak Republic 430 79.3 1.1 1.6 9.2 8.8 79.3 0.0 8.8 75.6 82.9 Slovenia 380 81.4 1.3 1.5 12.6 3.2 81.4 0.0 3.2 79.4 83.4 South Africa 1006 14.3 4.0 9.8 67.6 4.3 14.3 0.1 4.2 14.4 14.3 Thailand 712 77.4 1.1 1.2 19.3 0.9 77.4 0.2 0.8 79.4 75.0 Tunisia 626 54.8 0.5 13.5 24.7 6.5 54.8 0.2 6.3 48.4 60.6 Turkey 986 62.0 1.6 2.8 26.4 7.2 62.0 0.4 6.8 61.4 62.4 United States 1128 82.1 1.4 2.0 11.9 2.5 82.1 0.0 2.5 80.5 83.7

International Avg. . 69.1 1.0 3.4 20.8 5.7 69.1 0.3 5.4 68.5 69.6

V1 = % Scoring 1 or better V2 = % Scoring 2 or better V3 = % Scoring 3 or betterPercent right for boys and girls corresponds to the percent obtaining the maximum score on the item.Because of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 62Percent of responses by Item Category - 8th Grade

Mathematics: Fractions and Number SenseLabel: Division of decimals ( M022031 - J14 )Item Type = MC Key = E

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D E RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 27.1 25.8 12.4 12.4 19.6 2.7 19.6 0.3 0.0 2.4 19.5 19.7 Belgium (Flemish) 656 13.5 21.1 9.6 9.5 45.0 1.3 45.0 0.1 0.0 1.2 43.2 46.8 Bulgaria 413 13.7 15.2 6.1 6.6 52.5 5.8 52.5 0.3 0.5 5.0 59.8 44.6 Canada 1086 20.3 16.6 11.2 9.3 38.9 3.7 38.9 0.2 0.2 3.3 39.0 38.8 Chile 726 25.8 19.3 11.3 16.9 18.3 8.4 18.3 0.0 1.1 7.3 15.4 21.1 Chinese Taipei 725 6.8 13.8 4.2 10.4 64.3 0.5 64.3 0.0 0.0 0.5 68.2 60.5 Cyprus 385 20.0 18.0 11.3 17.1 26.2 7.4 26.2 0.7 0.0 6.6 26.7 25.9 Czech Republic 438 11.0 11.9 4.6 17.3 51.7 3.5 51.7 0.4 0.3 2.8 54.2 48.9 England 373 32.6 20.6 13.0 10.4 16.2 7.1 16.2 0.0 1.0 6.0 13.4 19.3 Finland 362 20.2 23.8 12.2 10.1 28.6 5.2 28.6 0.0 0.4 4.7 23.2 33.3 Hong Kong, SAR 649 6.3 12.6 5.0 9.3 66.4 0.5 66.4 0.0 0.1 0.3 65.7 67.0 Hungary 400 9.8 10.3 3.9 8.6 63.0 4.4 63.0 0.0 0.0 4.4 64.9 61.4 Indonesia 730 33.9 18.7 8.7 12.3 24.2 2.2 24.2 0.0 0.0 2.2 26.5 21.7 Iran, Islamic Rep. 668 23.8 27.6 14.2 12.1 14.2 8.2 14.2 0.0 0.1 8.1 15.5 13.2 Israel 511 21.2 24.7 12.0 8.4 23.5 10.2 23.5 0.0 0.7 9.5 22.1 25.4 Italy 420 14.5 19.7 9.1 7.6 36.5 12.7 36.5 0.0 0.3 12.4 35.3 37.6 Japan 589 5.3 9.3 3.9 10.9 70.2 0.3 70.2 0.0 0.0 0.3 71.6 68.9 Jordan 635 19.3 25.0 11.7 11.7 29.6 2.6 29.6 0.6 0.2 1.8 31.4 28.1 Korea, Rep. of 765 7.9 13.7 5.2 11.6 61.5 0.1 61.5 0.0 0.0 0.1 61.5 61.5 Latvia (LSS) 357 12.9 13.1 4.5 11.4 54.3 3.8 54.3 0.2 0.9 2.7 55.1 53.3 Lithuania 288 11.2 7.5 1.6 11.6 64.8 3.5 64.8 0.0 0.3 3.2 68.2 60.9 Macedonia, Rep. of 497 15.5 15.2 7.5 7.6 38.1 16.0 38.1 0.3 0.7 15.1 40.0 36.0 Malaysia 700 14.7 28.7 6.9 9.2 38.7 1.8 38.7 0.0 0.2 1.6 40.6 36.6 Moldova 450 11.8 11.6 6.4 11.1 53.3 5.8 53.3 0.2 1.5 4.1 56.8 49.4 Morocco 664 23.0 27.2 17.5 8.6 13.9 9.7 13.9 0.0 1.1 8.6 10.3 16.5 Netherlands 371 17.3 12.1 11.0 13.0 44.2 2.4 44.2 1.4 0.1 0.9 47.1 41.6 New Zealand 456 28.2 23.5 14.5 9.9 20.7 3.3 20.7 0.2 0.0 3.1 22.3 19.2 Philippines 836 28.4 29.4 10.9 9.1 20.4 1.9 20.4 0.2 0.4 1.3 22.9 17.5 Romania 435 14.1 21.2 8.4 9.5 40.2 6.7 40.2 0.0 0.5 6.2 43.3 37.2 Russian Federation 527 8.7 8.9 3.9 7.1 68.0 3.5 68.0 0.1 0.0 3.4 68.7 67.2 Singapore 625 14.3 22.7 7.1 10.2 44.8 0.9 44.8 0.0 0.0 0.9 48.0 41.5 Slovak Republic 430 7.7 10.1 1.6 8.8 69.1 2.6 69.1 0.0 0.0 2.6 70.8 67.5 Slovenia 380 12.0 14.0 6.2 9.6 53.6 4.6 53.6 0.0 0.0 4.6 56.1 51.0 South Africa 1006 32.2 23.0 12.0 10.7 18.7 3.3 18.7 0.3 0.1 2.9 18.5 18.8 Thailand 712 26.9 29.7 9.8 10.1 22.8 0.7 22.8 0.0 0.2 0.5 23.6 21.9 Tunisia 627 30.5 25.4 10.8 9.7 20.6 2.8 20.6 0.0 0.2 2.7 18.2 22.9 Turkey 986 25.8 17.4 19.7 11.8 15.1 10.2 15.1 0.0 0.4 9.9 15.0 15.2 United States 1128 13.2 22.8 9.9 13.7 39.2 1.1 39.2 0.0 0.0 1.1 42.0 36.5

International Avg. . 17.9 18.7 8.9 10.7 39.2 4.5 39.2 0.1 0.3 4.1 40.1 38.3

DIFF = Item Difficulty Other Incorrect = Sum of invalid, not reached and omittedBecause of missing gender information, some totals may appear inconsistent

Sueting

THIRD INTERNATIONAL MATHEMATICS AND SCIENCE STUDY - 1999 ASSESSMENT 23:49 Monday, December 11, 2000 63Percent of responses by Item Category - 8th Grade

Mathematics: GeometryLabel: Two similar triangles ( M022033 - J15 )Item Type = MC Key = C

OTHER INCOR NOT 1.GIRL 2.BOY COUNTRY N A B C D E RECT DIFF INVALID REACHED OMIT % Right % Right

Australia 494 3.2 16.1 66.3 4.9 9.3 0.2 66.3 0.0 0.0 0.2 69.9 63.0 Belgium (Flemish) 656 3.1 16.0 66.4 3.6 8.8 2.1 66.4 0.0 0.0 2.1 66.3 66.6 Bulgaria 413 3.0 11.4 73.7 4.2 5.7 2.0 73.7 0.2 0.5 1.2 76.0 71.1 Canada 1086 3.6 15.4 65.5 2.8 12.5 0.2 65.5 0.0 0.2 0.0 62.7 68.1 Chile 726 6.7 24.0 45.6 7.4 14.7 1.7 45.6 0.0 1.1 0.6 41.1 50.1 Chinese Taipei 725 1.8 17.4 73.8 2.1 4.8 0.1 73.8 0.0 0.0 0.1 75.5 72.1 Cyprus 389 4.6 25.3 55.2 3.1 10.3 1.5 55.2 1.4 0.0 0.2 52.1 58.1 Czech Republic 438 3.8 16.3 65.7 4.7 8.8 0.8 65.7 0.0 0.3 0.5 68.9 62.0 England 373 3.6 21.1 59.5 4.0 10.4 1.3 59.5 0.0 1.0 0.3 55.8 63.4 Finland 362 7.1 15.3 63.4 3.3 10.1 0.8 63.4 0.0 0.4 0.3 61.3 65.2 Hong Kong, SAR 649 3.6 17.6 64.7 3.1 10.8 0.1 64.7 0.0 0.1 0.0 68.1 61.5 Hungary 400 4.4 8.4 67.2 4.0 14.4 1.7 67.2 1.2 0.0 0.5 71.4 63.1 Indonesia 730 11.5 28.3 44.3 5.7 10.1 0.1 44.3 0.0 0.0 0.1 44.3 44.2 Iran, Islamic Rep. 668 5.5 14.2 61.4 3.9 14.2 0.8 61.4 0.0 0.2 0.6 61.4 61.3 Israel 511 5.7 37.1 41.8 3.5 9.5 2.4 41.8 0.5 0.9 1.1 42.4 41.4 Italy 420 5.7 18.7 64.8 3.8 5.4 1.5 64.8 0.0 0.3 1.3 65.7 64.1 Japan 589 0.8 3.5 84.4 1.8 8.4 1.0 84.4 0.5 0.0 0.5 84.7 84.2 Jordan 635 4.4 16.1 53.4 9.1 15.1 2.0 53.4 1.4 0.2 0.5 58.0 49.4 Korea, Rep. of 765 1.5 5.9 82.3 1.1 9.2 0.0 82.3 0.0 0.0 0.0 82.5 82.1 Latvia (LSS) 357 2.5 15.6 67.6 3.4 9.3 1.7 67.6 0.4 0.9 0.4 63.1 72.8 Lithuania 288 1.8 16.4 69.1 2.9 9.1 0.6 69.1 0.0 0.6 0.0 65.0 73.6 Macedonia, Rep. of 497 5.0 14.2 68.3 2.5 5.3 4.7 68.3 1.1 0.9 2.7 70.3 66.0 Malaysia 700 4.0 11.2 73.9 2.5 8.0 0.3 73.9 0.0 0.2 0.2 74.2 73.6 Moldova 450 5.0 10.8 68.2 3.8