Table 2: Summary statistics.

SUMMARY OF 95 MEASURED (NON-EXTREME) Person
- TOTAL SCORE COUNT MEASURE MODEL S.E. INFIT OUTFIT
MNSQ ZSTD MNSQ ZSTD
MEAN 39.3 13.0 1.16 .48 1.01 -.33 1.01 -.34
SEM .5 .0 .11 .01 .08 .20 .08 .20
P.SD 4.7 .0 1.06 .07 .77 1.92 .76 1.93
S.SD 4.7 .0 1.07 .07 .77 1.93 .77 1.94
MAX. 51.0 13.0 5.03 1.04 3.48 3.78 3.46 3.78
MIN. 26.0 13.0 -1.27 .38 .04 -5.73 .04 -5.67
REAL RMSE .55
MODEL RMSE .49
S.E. OF Person MEAN= .11
TRUE SD .91
TRUE SD .94
SEPARATION 1.64
SEPARATION 1.93
Person RELIABILITY .73
Person RELIABILITY .79

MAXIMUM EXTREME SCORE: 2 Person 2.1%
SUMMARY OF 13 MEASURED (NON-EXTREME) Item
- TOTAL SCORE COUNT MEASURE MODEL S.E. INFIT OUTFIT
MNSQ ZSTD MNSQ ZSTD
MEAN 289.2 95.0 .00 .18 1.00 -.08 1.01 -.03
SEM 3.4 .0 .11 .00 .07 .45 .07 .43
P.SD 11.7 .0 .36 .01 .24 1.55 .24 1.48
S.SD 12.2 .0 .38 .01 .25 1.61 .25 1.54
MAX. 306.0 95.0 .69 .19 1.56 3.12 1.57 3.14
MIN. 266.0 95.0 -.54 .17 .61 -2.89 .63 -2.71
REAL RMSE .19
MODEL RMSE .18
S.E. OF Item MEAN = .11
TRUE SD .31
TRUE SD .32
SEPARATION 1.69
SEPARATION 1.80
Item RELIABILITY .74
Item RELIABILITY .76

Item RAW SCORE-TO-MEASURE CORRELATION = -1.00