TABLE 3.1 KNOX CUBE TEST output.txt Nov 16 15:49 2006 INPUT: 36 KIDS 18 TAPS MEASURED: 35 KIDS 18 TAPS 2 CATS WINSTEPS 3.63.0 -------------------------------------------------------------------------------- SUMMARY OF 34 MEASURED (NON-EXTREME) KIDS +-----------------------------------------------------------------------------+ | RAW MODEL INFIT OUTFIT | | SCORE COUNT MEASURE ERROR MNSQ ZSTD MNSQ ZSTD | |-----------------------------------------------------------------------------| | MEAN 6.9 14.0 -.19 1.01 .99 -.2 .68 -.1 | | S.D. 2.1 .0 1.97 .10 .94 1.2 1.29 .7 | | MAX. 11.0 14.0 3.73 1.11 4.12 2.5 6.07 2.2 | | MIN. 2.0 14.0 -4.32 .82 .18 -1.5 .08 -.7 | |-----------------------------------------------------------------------------| | REAL RMSE 1.18 ADJ.SD 1.58 SEPARATION 1.34 KID RELIABILITY .64 | |MODEL RMSE 1.01 ADJ.SD 1.69 SEPARATION 1.67 KID RELIABILITY .74 | | S.E. OF KID MEAN = .34 | +-----------------------------------------------------------------------------+ MINIMUM EXTREME SCORE: 1 KIDS LACKING RESPONSES: 1 KIDS SUMMARY OF 35 MEASURED (EXTREME AND NON-EXTREME) KIDS +-----------------------------------------------------------------------------+ | RAW MODEL INFIT OUTFIT | | SCORE COUNT MEASURE ERROR MNSQ ZSTD MNSQ ZSTD | |-----------------------------------------------------------------------------| | MEAN 6.7 14.0 -.37 1.03 | | S.D. 2.4 .0 2.22 .17 | | MAX. 11.0 14.0 3.73 1.85 | | MIN. .0 14.0 -6.62 .82 | |-----------------------------------------------------------------------------| | REAL RMSE 1.21 ADJ.SD 1.86 SEPARATION 1.55 KID RELIABILITY .70 | |MODEL RMSE 1.05 ADJ.SD 1.96 SEPARATION 1.87 KID RELIABILITY .78 | | S.E. OF KID MEAN = .38 | +-----------------------------------------------------------------------------+ KID RAW SCORE-TO-MEASURE CORRELATION = 1.00 CRONBACH ALPHA (KR-20) KID RAW SCORE RELIABILITY = .75 SUMMARY OF 14 MEASURED (NON-EXTREME) TAPS +-----------------------------------------------------------------------------+ | RAW MODEL INFIT OUTFIT | | SCORE COUNT MEASURE ERROR MNSQ ZSTD MNSQ ZSTD | |-----------------------------------------------------------------------------| | MEAN 16.9 34.0 .00 .71 .96 .0 .68 -.1 | | S.D. 12.9 .0 3.48 .21 .28 .7 .58 .5 | | MAX. 32.0 34.0 4.80 1.07 1.56 1.2 2.21 1.1 | | MIN. 1.0 34.0 -4.40 .45 .59 -1.3 .11 -.6 | |-----------------------------------------------------------------------------| | REAL RMSE .77 ADJ.SD 3.39 SEPARATION 4.41 TAP RELIABILITY .95 | |MODEL RMSE .74 ADJ.SD 3.40 SEPARATION 4.59 TAP RELIABILITY .95 | | S.E. OF TAP MEAN = .97 | +-----------------------------------------------------------------------------+ MAXIMUM EXTREME SCORE: 1 TAPS MINIMUM EXTREME SCORE: 3 TAPS UMEAN=.000 USCALE=1.000 SUMMARY OF 18 MEASURED (EXTREME AND NON-EXTREME) TAPS +-----------------------------------------------------------------------------+ | RAW MODEL INFIT OUTFIT | | SCORE COUNT MEASURE ERROR MNSQ ZSTD MNSQ ZSTD | |-----------------------------------------------------------------------------| | MEAN 18.8 34.0 -.76 .96 | | S.D. 13.8 .0 4.26 .51 | | MAX. 34.0 34.0 6.13 1.85 | | MIN. .0 34.0 -6.59 .45 | |-----------------------------------------------------------------------------| | REAL RMSE 1.10 ADJ.SD 4.12 SEPARATION 3.73 TAP RELIABILITY .93 | |MODEL RMSE 1.09 ADJ.SD 4.12 SEPARATION 3.79 TAP RELIABILITY .93 | | S.E. OF TAP MEAN = 1.03 | +-----------------------------------------------------------------------------+ TAP RAW SCORE-TO-MEASURE CORRELATION = -.99 476 DATA POINTS. APPROXIMATE LOG-LIKELIHOOD CHI-SQUARE: 221.61 TABLE 3.2 KNOX CUBE TEST output.txt Nov 16 15:49 2006 INPUT: 36 KIDS 18 TAPS MEASURED: 35 KIDS 18 TAPS 2 CATS WINSTEPS 3.63.0 -------------------------------------------------------------------------------- SUMMARY OF CATEGORY STRUCTURE. Model="R" +--------------------------------------------------------------- |CATEGORY OBSERVED|OBSVD SAMPLE|INFIT OUTFIT| COHERENCE|ESTIM| |LABEL SCORE COUNT %|AVRGE EXPECT| MNSQ MNSQ| M->C C->M|DISCR| |-------------------+------------+------------+----------+-----+ | 0 0 240 50| -3.36 -3.34| .98 .79| 90% 89%| | 0 Wrong | 1 1 236 50| 3.03 3.02| .97 .58| 89% 90%| 1.03| 1 Right +--------------------------------------------------------------- OBSERVED AVERAGE is mean of measures in category. It is not a parameter estimate. M->C = Does Measure imply Category? C->M = Does Category imply Measure? DICHOTOMOUS CURVES P ++--------------+--------------+--------------+--------------++ R 1.0 + + O | | B |0 1| A | 000000 111111 | B .8 + 00000 11111 + I | 0000 1111 | L | 0000 1111 | I | 000 111 | T .6 + 000 111 + Y | 000 111 | .5 + *** + O | 111 000 | F .4 + 111 000 + | 111 000 | R | 1111 0000 | E | 1111 0000 | S .2 + 11111 00000 + P | 111111 000000 | O |1 0| N | | S .0 + + E ++--------------+--------------+--------------+--------------++ -2 -1 0 1 2 KID [MINUS] TAP MEASURE