do quizzes matter?

8
Redesign Alliance Conference • Orlando, FL, March 19th, 2007 • © 2007 by Gordon Hodge • [email protected] General Psychology is the largest of UNM’s 20 “killer” courses for lower division undergraduate students. Before the Pew Grant for Redesign (2001), 41% of students failed to attain a grade of C or better. Goals: (1) Improve success while (2) lowering cost (49% after redesign) Solutions: (1) Programmed Self- Instruction (PSI)?

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General Psychology is the largest of UNM’s 20 “killer” courses for lower division undergraduate students. Before the Pew Grant for Redesign (2001), 41% of students failed to attain a grade of C or better. Goals: (1) Improve success while (2) lowering cost (49% after redesign) - PowerPoint PPT Presentation

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Page 1: Do Quizzes Matter?

Redesign Alliance Conference • Orlando, FL, March 19th, 2007 • © 2007 by Gordon Hodge • [email protected]

General Psychology is the largest of UNM’s 20 “killer” courses for lower division

undergraduate students.

Before the Pew Grant for Redesign (2001), 41% of students failed to attain a grade of

C or better.

Goals: (1) Improve success while

(2) lowering cost (49% after redesign)

Solutions: (1) Programmed Self-Instruction (PSI)?

(2) Consolidation of sections

General Psychology is the largest of UNM’s 20 “killer” courses for lower division

undergraduate students.

Before the Pew Grant for Redesign (2001), 41% of students failed to attain a grade of

C or better.

Goals: (1) Improve success while

(2) lowering cost (49% after redesign)

Solutions: (1) Programmed Self-Instruction (PSI)?

(2) Consolidation of sections

Page 2: Do Quizzes Matter?

Redesign Alliance Conference • Orlando, FL, March 19th, 2007 • © 2007 by Gordon Hodge • [email protected]

Do Quizzes Matter?

WebCT Quizzes Instead of PSI? 3 Quizzes per week 20 Questions per quiz Timed (20 min) Unlimited repeats Highest score counts 1 Point per question

3 Quizzes per week 20 Questions per quiz Timed (20 min) Unlimited repeats Highest score counts 1 Point per question

Page 3: Do Quizzes Matter?

Redesign Alliance Conference • Orlando, FL, March 19th, 2007 • © 2007 by Gordon Hodge • [email protected]

Required vs.Optional Quizzes: Effects on Course Grades

21% 27% 15% 37%8% 19% 16% 57%0%

20%

40%

60%

A B C to C+ C- or lessGrade

S02-001 Quizzes Required

S02-002 Quizzes Optional

Do (Required) Quizzes Matter?

Students performed better when quizzes were required (top). With required quizzes (far left), Students who received course grades of A received higher quiz scores and attempted more quizzes than students who received other grades; A students took less time to complete quizzes than B or C students. When quizzes were optional (near left), few students performed as well on quizzes (or exams) than students in the section where quizzes were required.

Per

cent

age

of S

tude

nts

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Att

em

pts

Ave

. D

ura

tion

(m

in)

Quizzes Required Quizzes Optional

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Weekly Mastery Quizzes Weekly Mastery Quizzes

Hig

h S

core

Spring 2002: Same Instructor

Page 4: Do Quizzes Matter?

Redesign Alliance Conference • Orlando, FL, March 19th, 2007 • © 2007 by Gordon Hodge • [email protected]

Do (Required) Quizzes Matter?Psych 105 Grades · Spring 2005

43%

27%

10%

20%

10%

22%18%

50%

0%

20%

40%

60%

A B C to C+ C- orbelow

Sec 1 (Quizzes Required)Sec 2 (Quizzes NOT Required)

Cla

ss P

erce

ntag

eSpring 2005: Different Instructors

Page 5: Do Quizzes Matter?

Redesign Alliance Conference • Orlando, FL, March 19th, 2007 • © 2007 by Gordon Hodge • [email protected]

Do (Required) Quizzes Matter?C

lass

Per

cent

age

Total Exam Points by Total Quiz Points(Quizzes Required; S05)

0

200

400

600

800

1000

1200

0 200 400 600 800 1000Total Quiz Points (1000)

Total Exam Points (1280)Total Exam Points by Total Quiz Points (S05)

Linear Trend (Correlation, r = .91)

Page 6: Do Quizzes Matter?

Redesign Alliance Conference • Orlando, FL, March 19th, 2007 • © 2007 by Gordon Hodge • [email protected]

Do Quizzes Matter?Total Exam Points by Total Quiz Points F05

0

200

400

600

800

1000

1200

0 200 400 600 800 1000Quiz Points

Exam Points

r = .93

Page 7: Do Quizzes Matter?

Redesign Alliance Conference • Orlando, FL, March 19th, 2007 • © 2007 by Gordon Hodge • [email protected]

Do Quizzes Matter?Pre- vs. Posttest Scores by Course Grade F05

3732 31 33

62

45 45

21

0

20

40

60

80

A B C C- & BelowCourse Grade

Pretest

Posttest

Ave

rag

e S

core

(8

0 Q

ue

stio

ns)

Average Pretest and Posttest scores; quizzes required. During the first two weeks, students who took the Pretest received extra credit for taking a computer version of the Final Exam (they did not know it was the Final); the Posttest was the Final Exam (week 17).

Page 8: Do Quizzes Matter?

Redesign Alliance Conference • Orlando, FL, March 19th, 2007 • © 2007 by Gordon Hodge • [email protected]

Do Quizzes Matter?Passing Grades for Psych 105

59%

71%

63%

77%74%

78% 77% 77%80% 81%

73% 75%

41%

29%

37%

23%26%

22% 23% 23%20% 19%

27%25%

0%

20%

40%

60%

80%

F00Tradi-tional

F01Pilot

S02 F02 S03 F03 S04 F04 S05 F05 S06 F06

Semester

C or AboveC- or Below (& Ws)

Percentage of students receiving grades of C or better in General Psychology 105.001, fall 2000 through spring 2006. Fall 2000 was taught in a traditional manner; i.e., students attended lectures, read the textbook, and took exams. Beginning with the pilot study in fall, 2001, students were required to complete three sets of mastery quizzes per week (approximately 45 quizzes, total).

Percentage of students receiving grades of C or better in General Psychology 105.001, fall 2000 through spring 2006. Fall 2000 was taught in a traditional manner; i.e., students attended lectures, read the textbook, and took exams. Beginning with the pilot study in fall, 2001, students were required to complete three sets of mastery quizzes per week (approximately 45 quizzes, total).

Cla

ss P

erce

ntag

e