Item | Code1 | Code2 | Difficulty contrast (S. E.) | Weltch t | Weltch Prob |
---|---|---|---|---|---|
Difficulty (S.E.) | Difficulty (S. E.) | ||||
1 | .47(.06) | .47(.06) | .00(.08) | .00 | 1.00 |
2 | .56(.06) | .65(.06) | −.09(.09) | −1.07 | .28 |
3 | .25(.06) | .22(.06) | .02(.08) | .25 | .80 |
4 | −.26(.06) | −.31(.07) | .05(.09) | .58 | .56 |
5 | −.05(.06) | −.11(.06) | .06(.09) | .71 | .47 |
6 | .039(.06) | .23(.06) | −.20(.08) | −2.32 | .02 |
7 | −.01(.06) | −.06(.06) | .05(.09) | .55 | .58 |
8 | .08(.06) | .08(.06) | .00(.08) | .00 | 1.00 |
9 | −.58(.06) | −.51(.07) | −.07(.09) | −.77 | .44 |
10 | .56(.06) | .68(.06) | −.12(.09) | −1.41 | .16 |
11 | .88(.06) | .88(.07) | .00(.09) | .00 | 1.00 |
12 | .08(.06) | .08(.06) | .00(.08) | .00 | 1.00 |
13 | .23(.06) | .23(.06) | .00(.08) | .00 | 1.00 |
14 | .01(.06) | −.11(.06) | .12(.09) | 1.39 | .16 |
15 | −.40(.06) | −.53(.07) | .13(.09) | 1.42 | .15 |
16 | .44(.06) | .44(.06) | .00(.08) | .00 | 1.00 |
17 | −.41(.06) | −.50(.07) | .09(.09) | .94 | .34 |
18 | −.20(.06) | −.20(.07) | .00(.09) | .00 | 1.00 |
19 | −.27(.06) | −.27(.07) | .00(.09) | .00 | 1.00 |
20 | .44(.06) | .44(.06) | .00(.08) | .00 | 1.00 |
21 | −.13(.06) | −.22(.07) | .09(.09) | 1.01 | .31 |
22 | −.60(.06) | −.60(.07) | .00(.10) | .00 | 1.00 |
23 | −.17(.06) | −.17(.07) | .00(.09) | .00 | 1.00 |
24 | −.69(.06) | −.69(.07) | .00(.10) | .00 | 1.00 |
25 | −.35(.06) | −.35(.07) | .00(.09) | .00 | 1.00 |
26 | .18(.06) | .18(.06) | .00(.08) | .00 | 1.00 |
27 | .23(.06) | .19(.06) | .05(.08) | .55 | .58 |
28 | −.22(.06) | −.08(.06) | .14(.09) | −1.60 | .11 |
29 | −.06(.06) | −.06(.06) | .00(.09) | .00 | 1.00 |
30 | −.02(.06) | −.02(.06) | .00(.09) | .00 | 1.00 |