Post on 04-Feb-2022
Appendix B
Converting Standard Scores to Percentile Ranks and Other Scaled Scores
43
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
-~----- ... - - ---
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
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
----- ---------.~~.- ...... ~ .,,-----------------