Psychology: Research and Review
From: Development of the Arithmetic Subtest of the School Achievement Test-Second Edition
Item | Difficulty | Discrimination | Item | Difficulty | Discrimination |
---|---|---|---|---|---|
A38 | −0.6484 | 3.0287 | A67 | 1.1098 | 5.716 |
A37 | −0.6369 | 3.3532 | A77 | 1.1859 | 1.4303 |
A41 | −0.6065 | 3.4624 | A88 | 1.2549 | 2.0311 |
A39 | −0.604 | 4.1499 | A90 | 1.2574 | 3.2208 |
A53 | −0.0067 | 3.2261 | A82 | 1.2785 | 3.8193 |
A62 | 0.064 | 2.5025 | A72 | 1.3361 | 2.6694 |
A44 | 0.0858 | 3.2814 | A69 | 1.4662 | 4.0853 |
A54 | 0.2088 | 3.3916 | A84 | 1.6088 | 2.7979 |
A50 | 0.4287 | 2.7401 | A89 | 1.7578 | 2.5416 |
A59 | 0.5039 | 4.1512 | A86 | 1.7958 | 2.4449 |
A46 | 0.5444 | 3.6426 | A96 | 1.8705 | 3.2276 |
A52 | 0.5649 | 3.046 | A85 | 1.8709 | 2.3781 |
A56 | 0.7565 | 2.6032 | A70 | 1.946 | 2.4555 |
A63 | 0.7584 | 4.0741 | A68 | 2.0229 | 2.2619 |
A57 | 0.8137 | 4.1131 | A71 | 2.045 | 3.2069 |
A87 | 0.8208 | 2.6471 | A97 | 2.1589 | 3.8918 |
A65 | 0.9048 | 6.3845 | A73 | 2.1863 | 2.2984 |
A64 | 0.9239 | 6.278 | A98 | 2.5193 | 2.446 |
A61 | 0.9441 | 5.2496 | A81 | 2.7061 | 2.6243 |
A60 | 0.9588 | 5.3662 | A100 | 2.7857 | 1.7694 |
A79 | 1.0391 | 3.0221 | A92 | 3.2164 | 1.8715 |
A74 | 1.0473 | 2.846 |