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Appendix B Converting Standard Scores to Percentile Ranks and Other Scaled Scores 43

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Page 1: Converting Standard Scores to Percentile Ranks and Other ...people.uncw.edu/caropresoe/giftedfoundations/edn 553/dap-converting... · TABLE B.1 . Converting Standard Scores to Percentile

Appendix B

Converting Standard Scores to Percentile Ranks and Other Scaled Scores

43

Page 2: Converting Standard Scores to Percentile Ranks and Other ...people.uncw.edu/caropresoe/giftedfoundations/edn 553/dap-converting... · TABLE B.1 . Converting Standard Scores to Percentile

TABLE B.1 Converting Standard Scores to Percentile Ranks and Other Scaled Scores

Scaled Scores

DAP:IQ Standard Percentile Score T-score z-s(ore Stanine Rank (M =lOa, so =15) (M =50, SO =10) (M =0, so =1) (M =5, SO =2)

-

>99 145 80 +3.00 9 >99 144 79 +2.93 9 >99 143 - +2.87 9 >99 142 78 +2.80 9 >99 141 77 +2.73 9

~

i >99 140 - +2.67 9 >99 139 76 +2.60 9 >99 138 75 +2.53 9

.-- ­>99 137 - +2.47 9 >99 136 74 +2.40 9

99 135 73 +2 .33 9 99 134 - +2.27 9 - . ..--,-­99 133 72 +2.20 9 99 132 71 +2.13 9 98 131 - +2 .07 9 98 130 70 +2.00 9 r­ 97 129 69 +1.90 9

~

97 128 - +1.87 9. 97 127 68 +1.80 9 96 126 67 + 1.73 8 95 125 - +1 67 8 ­95 124 66 +1.60 8 94 123 65 + 1.53 8 93 122 - +1.47 8 92 121 64 +140 8 91 120 63 +1 .33 8 90 119 - +1.27 8 89 118 62 +1 .20 7 87 117 61 +1 .13 7 86 n. 1t6.. - - +1 .07 7 84 11 5 60 +1 .00 7 82 114 59 +0.93 7 8'1 113 - +0.87 7 ­79 112 58 +0.80 7 77 111 57 +0.73 6 75 110 - +0.67 6

-..73 109 56 +0.53 6'

~~

1.0 108 55 +O~O 6 68 107 - +0.47 6 65 106 54 +0.40 6 63 105 53 +0.33 6

~

61 104 - +027 6 58 103 52 +0.20 5 55 102 51 +0.13 5 53 101 - +Oll7 5 50 100 50 0 .00 5 47 99 49 - 007 5 45 98 - -0.13 5

(continues)

44

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Page 3: Converting Standard Scores to Percentile Ranks and Other ...people.uncw.edu/caropresoe/giftedfoundations/edn 553/dap-converting... · TABLE B.1 . Converting Standard Scores to Percentile

TABLE B.1 Continued.

Scaled Scores

Percentile Rank

DAP:IQ StanScore

(M = 100, SO

dard

= 15) T-score

(M = 50, SO = 10) z-score

(M = 0, SO = 1) (Stanine

M =5, SO =2)

42 97 48 - 0.20 5 39 96

"" 47 - 0.27 4 -37 95 - -0.33 4 35 94 46 -0.40 4 32 93 45 -0.47 4 39 92 - -0.53 4 -27 91 44 -0.60 4 25 90 43 -0.67 4 23 89 - -0.73 3 21 88 42 -0.80 , 3 19 87 41 -0.87 3 18 86 - -0.93 3 16 85 40 ,.. -1 .00 3 14 84 39 - 1.07 ? -13 83 - -1 .13 3 12 82 38 -1 .20 3 10 81

9 80 8 79 7 78 6 77 5 76 5 75 4 74

37 -36 35

- 1.27 2 - 1.33 2 -1.40 2 -1 .47 2

- -1.53 2 34 -1.60 2 33 -1.67 2 - -1.73 1

3 73 32 3 . 72 31

. ~

3 71 ­2 70 30

-1 .80 1 - 1.87 1 -1.93 1 -2.00 1

1 69 'I 681­1 67 1 66

29 ":2.07 1 -- -2.13 1 28 -2.20 1

.~

27 -2 .27 1 <1 65 - -2 .33 1 <1 64 26 - 2.40 1 <1 63 25 -2 .47 1 <1 62 - - 2.53 1 <1 61 24 -2.60 1 <1 60 23 -2 .67 1 <1 59 - -2.73 1 <1 58 22 -2.80 1 <1 <1 <1

57 56. 55

2 1 -20

-2 .87 --2.93 -3.00

1 1 1

45

I

Page 4: Converting Standard Scores to Percentile Ranks and Other ...people.uncw.edu/caropresoe/giftedfoundations/edn 553/dap-converting... · TABLE B.1 . Converting Standard Scores to Percentile

TABLE C.1 Converting Raw Scores to Age and Grade Equivalents

Age Equivalent

DAP:IQ Raw Score

Grade Equivalent

<4-0 4-0

<6 6

<K.O <K.O

4-3 4-6

1- 5-0 5-6

7 8 9

]0

<K.O <K.O

K.O K.4

6-0 6-3 6·6 6:-9

11 12 13 14

1.0 1.2 -,1.4 1.7

7-0 7-3 7-fJ 8·0

15 16 17 18

2.0 2.2

~

24 3.0

8-3 8-6

,~

8-9 g·O

19 20 21 22

3.2 3.4 -3.7 4.0

10-0 10-6 10-9 11-0

23 24 25 26

5.0 5.4 -5.7 6.0 .

11-6 12-0 13-0 13·6

27 28 29 30

6.4 7.0 8.0 8.4

14-0 >14-9

31 >3 1

9.0 >9.7

48

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