Transcription of Converting Standard Scores to Percentile Ranks …
1 Appendix B Converting Standard Scores to Percentile Ranks and Other Scaled Scores 43 TABLE 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 + 9 >99 144 79 + 9 >99 143 -+ 9 >99 142 78 + 9 >99 141 77 + 9 ~ i >99 140 -+ 9 >99 139 76 + 9 >99 138 75 + 9 .-- >99 137 -+ 9 >99 136 74 + 9 99 135 73 + 9 99 134 -+ 9 -..--,- 99 133 72 + 9 99 132 71 + 9 98 131 -+ 9 98 130 70 + 9 r 97 129 69 + 9 ~ 97 128 -+ 9. 97 127 68 + 9 96 126 67 + 8 95 125 -+1 67 8 95 124 66 + 8 94 123 65 + 8 93 122 -+ 8 92 121 64 + 140 8 91 120 63 + 8 90 119 -+ 8 89 118 62 + 7 87 117 61 +1. 13 7 86 n. - -+1 .07 7 84 115 60 + 7 82 114 59 + 7 8'1 113 -+ 7 79 112 58 + 7 77 111 57 + 6 75 110 -+ 6 109 56 + 6' ~~ 108 55 +O~O 6 68 107 -+ 6 65 106 54 + 6 63 105 53 + 6 ~ 61 104 -+027 6 58 103 52 + 5 55 102 51 + 5 53 101 -+Oll7 5 50 100 50 0.)
2 00 5 47 99 49 -007 5 45 98 5 (continues) 44 -~ ----- TABLE 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 - 5 39 96 "" 47 - 4 -37 95 4 35 94 46 4 32 93 45 4 39 92 4 -27 91 44 4 25 90 43 4 23 89 3 21 88 42 , 3 19 87 41 3 18 86 3 16 85 40 ,.. -1 .00 3 14 84 39 - ? -13 83 --1 .13 3 12 82 38 -1 .20 3 10 8 1 9 80 8 79 7 78 6 77 5 76 5 75 4 74 37 -36 35 2 - 2 2 2 2 34 2 33 2 1 3 73 32 3 . 72 31 .~ 3 71 2 70 30 1 - 1 1 1 1 69 'I 681 1 67 1 66 29 " 1 1 28 1 .~ 27 1 <1 65 1 <1 64 26 - 2 .40 1 <1 63 25 1 <1 62 -- 1 < 1 61 24 1 <1 60 23 1 < 1 59 1 <1 58 22 1 <1 <1 < 1 57 56. 55 2 1 -20 1 1 1 45 I TABLE Converting Raw Scores to Age and Grade Equivalents Age Equivalent DAP:IQ Raw score Grade Equivalent <4-0 4-0 <6 6 < < 4-3 4-6 1-5-0 5-6 7 8 9 ]0 < < 6-0 6-3 6 6 6:-9 11 12 13 14 -, 7-0 7-3 7-fJ 8 0 15 16 17 18 ~ 24 8-3 8-6 ,~ 8-9 g O 19 20 21 22 10-0 10-6 10-9 11-0 23 24 25 26.
3 11-6 12-0 13-0 13 6 27 28 29 30 14-0 >14-9 3 1 >3 1 > 48 --------------.~~. ~.
