Transcription of Converting Standard Scores to Percentile Ranks and Other ...
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 +2 .40 9. 99 135 73 +2 .33 9. - . 99 134 - + 9..--,- . 99 133 72 + 9. 99 132 71 + 9. 98 131 - +2 .07 9. 98 130 70 + 9. r 97 69. ~. 129 + 9. 97 128 - + 9. 97 127 68 + 9. 96 126 67 + 8. 95 125 - +1 67 8.)
2 95 124 66 + 8. 94 123 65 + 8. 93 122 - + 8. 92 121 64 +140 8. 91 120 63 +1 .33 8. 90 119 - + 8. 89 118 62 +1 .20 7. 87 117 61 +1 .13 7. 86 n. -- +1 .07 7. 84 11 5 60 +1 .00 7. 82 114 59 +0 .93 7. 8'1 113 - + 7 . 79 112 58 + 7. 77 111 57 + 6. 75. 73. 110. 109. - 56. + + .. - 6. 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 .00 5. 47 99 49 - 007 5. 45 98 - 5. (continues). 44 -~---- - .. - - - - - . TABLE Continued. Scaled Scores DAP:IQ Stan dard Percentile score T- score z- score Stanine rank (M = 100, SO = 15) (M = 50, SO = 10) (M = 0, SO = 1) (M =5, SO =2).
3 42 97 48 - 5. 96. 39. 37 95 "". 47. - - 4. 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. 39. 14. 13. 84. 83 - - -1 .13. ? 3. - 12 82 38 -1 .20 3. 10 81 37 - 2. 9 80 - - 2. 8 79 36 2. 7 78 35 -1 .47 2. 6 77 - 2. 5 76 34 -1. 60 2 I. 5 75 33 2. 4 74 - 1. 3 73 32 -1 .80 1.. ~. 3 . 72 31 - 1. 3 71 1. 2 70 30 1. 1 69 29 " 1. 1 . 'I 68 -- 1 . ~. 1 67 28 1. 1 66 27 -2 .27 1. <1 65 - -2 .33 1. <1 64 26 - 1. <1 63 25 -2 .47 1. <1 62 - - 1. <1 61 24 1. <1 60 23 -2 .67 1. <1 59 - 1. <1 58 22 1. <1 57 21 -2 .87 1. <1 56. - 1. 1. <1 55 20 45 TABLE Converting Raw Scores to Age and Grade Equivalents Age DAP:IQ Grade Equivalent Raw score Equivalent <4-0 <6 < 4-0 6 < 4-3 7 < 4-6 8 < 1- 5-0 9 5-6 ]0 6-0 11 6-3 12 -, 6 6 13 6:-9 14 7-0 15 7-3 16 ~.
4 7-fJ 17 24. 8 0 18 8-3 19 8-6 20 ,~. 8-9 21 - g O 22 10-0 23 10-6 24 10-9 25 - 11-0 26 . 11-6 27 12-0 28 13-0 29 13 6 30 14-0 31 >14-9 >3 1 > 48. - -- - - ---------.~~.- .. ~.
