Table 4.
Number of violations |
|||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Item selection methods | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Averaged |
Between-item pool | |||||||||||
Correlation = .8 | |||||||||||
R | 0.07 | 0.37 | 0.40 | 0.14 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.31 |
MDFIM | 0.17 | 0.40 | 0.35 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.68 |
MPI | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
MMPI | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Correlation = .4 | |||||||||||
R | 0.08 | 0.38 | 0.39 | 0.14 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.27 |
MDFIM | 0.16 | 0.43 | 0.34 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.64 |
MPI | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
MMPI | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Within-item pool | |||||||||||
Correlation = .8 | |||||||||||
R | 0.32 | 0.42 | 0.20 | 0.05 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.01 |
MDFIM | 0.29 | 0.47 | 0.23 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.96 |
MPI | 0.97 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 |
MMPI | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Correlation = .4 | |||||||||||
R | 0.31 | 0.42 | 0.20 | 0.06 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.06 |
MDFIM | 0.31 | 0.45 | 0.21 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.93 |
MPI | 0.94 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 |
MMPI | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Note. Four item selection methods in this study were (a) the randomized (R) item selection, (b) the MDFIM, (c) the MPI, and (d) the MMPI. MDFIM = maximum determinant of the Fisher information matrix; MPI = multidimensional priority index; MMPI = modified multidimensional priority index.