41 Item Difficulty & Discrimination: Cognitive Development Top 5 Easiest Items CD12_2Sat on the chair CD22_4Correctly put the toy under the chair CD12_1Brought the block (or other small item) to assessor CD3_1Correctly put one block inside the box CD22_3Correctly put the toy on the chair Top 5 Hardest Items CD22_2Correctly put the toy on the left side of the chair CD5_2Correctly picks 7 blocks on the paper CD17_3Correctly arranged all the pictures in right order CD5_3Correctly picks 15 blocks on the paper CD5_4Correctly picks 29 blocks on the paper
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