4
|
102
|
7
|
表7-2
|
|
テストX
|
テストY
|
項目番号
|
識別力
|
困難度
|
識別力
|
困難度
|
11
|
0.586
|
1.286
|
0.603
|
0.224
|
12
|
0.585
|
−0.430
|
0.252
|
−1.235
|
13
|
0.377
|
0.627
|
0.832
|
−0.303
|
14
|
0.578
|
−0.841
|
0.844
|
−1.108
|
15
|
0.748
|
0.031
|
0.657
|
0.826
|
16
|
0.983
|
−1.231
|
0.721
|
0.267
|
17
|
0.336
|
1.491
|
0.547
|
0.533
|
18
|
0.858
|
−1.044
|
0.959
|
−1.414
|
19
|
0.631
|
0.903
|
0.554
|
0.764
|
20
|
0.691
|
−0.152
|
1.050
|
−0.598
|
21
|
0.451
|
0.496
|
0.717
|
−1.006
|
22
|
0.297
|
−1.181
|
0.655
|
−1.167
|
23
|
0.789
|
−0.145
|
0.854
|
−0.637
|
24
|
0.739
|
−0.665
|
0.693
|
−1.861
|
25
|
0.752
|
1.072
|
0.853
|
−0.449
|
26
|
0.429
|
0.995
|
0.762
|
0.325
|
27
|
0.632
|
0.789
|
0.551
|
0.992
|
28
|
0.816
|
−1.486
|
0.547
|
0.067
|
29
|
0.425
|
1.294
|
0.466
|
−1.121
|
30
|
0.741
|
−0.372
|
0.836
|
−0.075
|
|
|
テストX
|
テストY
|
項目番号
|
識別力
|
困難度
|
識別力
|
困難度
|
11
|
0.451
|
0.496
|
0.603
|
0.224
|
12
|
0.297
|
−1.181
|
0.252
|
−1.235
|
13
|
0.789
|
−0.145
|
0.832
|
−0.303
|
14
|
0.739
|
−0.665
|
0.844
|
−1.108
|
15
|
0.752
|
1.072
|
0.657
|
0.826
|
16
|
0.429
|
0.995
|
0.721
|
0.267
|
17
|
0.632
|
0.789
|
0.547
|
0.533
|
18
|
0.816
|
−1.486
|
0.959
|
−1.414
|
19
|
0.425
|
1.294
|
0.554
|
0.764
|
20
|
0.741
|
−0.372
|
1.050
|
−0.598
|
21
|
0.674
|
−0.535
|
0.717
|
−1.006
|
22
|
0.614
|
−0.785
|
0.655
|
−1.167
|
23
|
0.807
|
−0.303
|
0.854
|
−0.637
|
24
|
0.734
|
−1.440
|
0.693
|
−1.861
|
25
|
0.653
|
0.013
|
0.853
|
−0.449
|
26
|
0.573
|
0.779
|
0.762
|
0.325
|
27
|
0.599
|
1.278
|
0.551
|
0.992
|
28
|
0.567
|
0.240
|
0.547
|
0.067
|
29
|
0.333
|
−1.200
|
0.466
|
−1.121
|
30
|
0.618
|
0.650
|
0.836
|
−0.075
|
|