Variable | Number of items | α | Range of α if item deleted | Item measure | Infit MNSQ | Outfit MNSQ | Person reliability | Item reliability |
---|---|---|---|---|---|---|---|---|
CT | 15 | .934 | .928 ~ .932 | −0.72 ~ 0.59 | 0.80 ~ 1.45 | 0.79 ~ 1.50 | .90 | .98 |
RP | 14 | .875 | .862 ~ .877 | −0.51 ~ 0.79 | 0.77 ~ 1.60a | 0.79 ~ 1.63a | .85 | .99 |
DA | 14 | .944 | .939 ~ .942 | −1.00 ~ 0.77 | 0.74 ~ 1.24 | 0.75 ~ 1.32 | .92 | .99 |
SA | 10 | .757 | .716 ~ .756 | −0.83 ~ 1.04 | 0.81 ~ 1.25 | 0.83 ~ 1.24 | .75 | 1.00 |
SE | 5 | .919 | .895 ~ .911 | −0.56 ~ 0.54 | 0.83 ~ 1.28 | 0.79 ~ 1.27 | .88 | .98 |