r/cognitiveTesting Study 2: Long Form Report by gc. Thanks Garecha & Moothi for the assistence. Distribution data for Ravens 2 Long Form Distribution data for Ravens 2 Short Form study 2 study 1 Mean 42.97 Mean 20.66 Mode 45 Mode 22 Median 44 Median 22 SD 4.3 SD 2.88 Skew -1.75 Skew -1.34 Kurtosis 4.03 Kurtosis 2.38 Cronbach’s Alpha .835 Cronbach’s Alpha .75 (observed) (observed) IRT-based marginal .88 IRT-based marginal .80 reliability reliability (reported) (reported) NormNorm Tables table Ravens forForm 2 Long Ravens 2 Long & Short NormForms study 2 table Ravens 2 Long Form study 2 RAW IQ (based on IQ (assumed RAW IQ 24 86 95 data) on R'2) 0 47 25 89 97 0 22 40 1 51 26 91 99 1 25 40 2 55 27 94 101 2 28 40 3 59 28 97 104 3 30 40 4 64 29 99 106 4 33 42 5 68 30 102 108 5 36 45 6 72 31 104 110 6 38 49 7 76 32 107 113 7 41 52 8 80 33 110 115 8 44 55 9 85 34 112 117 9 46 58 10 89 35 115 119 10 49 62 11 93 36 118 122 11 52 65 12 97 37 120 124 12 54 68 13 101 38 123 126 13 57 70 14 106 39 126 128 14 59 72 15 110 40 128 131 15 62 74 16 114 41 131 134 16 65 77 17 118 42 134 138 17 67 79 18 122 43 136 141 18 70 81 19 127 44 139 144 19 73 83 20 131 45 141 147 20 75 86 21 135 46 144 151 21 78 88 22 139 47 147 154 22 81 90 23 143 48 149 157 23 83 92 24 148 Correlations with Ravens 2 Long Form Test uncorrected pearson’s r corrected pearson’s r TRI52(n=39) .26 .58 mensa.dk(n=14) .64 .78 D48(n=17) .38 .68 TERO41(n=9) -.26 -.52 CFIT(n=10) .21 .44 TONI-2(n=19) .36 .66 mensa.no(n=25) .25 .52 TIG(n=9) .74 .93 GIQ(n=6) .89 .97 CFNSE(n=4) .82 .96 LOGICA STELLA30(n=4) -.73 -.93 Short form correlations study1 TRI52 mensa.no D48 Toni-2 TRI52 mensa.no D48 Toni-2 (n=33) (n=37) (n=13) (n=12) (n=33) (n=37) (n=13) (n=12) Pearson’s r Pearson’s r with with Ravens 2 Short Form 0.255 0.164 0.609 0.314 Ravens 2 (corrected for restiction 0.6 0.43 0.9 0.73 Short form of range with Thorndike’s (uncorrected) Formula 2) Further data Mean of reported scores Observed Mean on the Long Form (norm based on data gathered) TRI52 136.3 141(44.8 raw) mensa.dk 134 140(44.4 raw) Mean of reported scores Observed Mean on the short form D48 135.3 143(45.4 raw) (norm based on official*) TERO41 143.6 144(46 raw) TRI52 138.12 136.65(21.7 raw) CFIT SCALE 3A 141.5 142(45.3 raw) mensa.no 136 141(22.5 raw) TONI-2 135.9 143(45.6 raw) D48 138.4 138.4(22.08 raw) mensa.no 133.2 138(43.7 raw) TONI-2 138 137.1(21.82 raw) TIG(1&2) 137.7 143(45.6 raw) *reconstruction of the official norm, much like the one presented above for the long form GIQ 126.5 134(42.3 raw) CFNSE 140.7 143(45.5 raw) LS30 149.5 145(46.25 raw) Hardest questions Attemps 151 Correct 67 Percent. 44.3% Attemps 149 Correct 72 Percent. 48.3% Presented by r/cognitiveTesting Short Form Report(study 1) Short Form pdf
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