Items used for “phase 2” and “phase 3”.
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https://figshare.com/articles/dataset/_Items_used_for_8220_phase_2_8221_and_8220_phase_3_8221_/928798
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Note: (1) Every item of the questionnaire measures the frequency of each problem that has been occurred for the child during the last two weeks. The response format for each item has five levels: 0 = never, 1 = seldom, 2 = sometimes, 3 = often, and 4 = always. (2) All the 77 items were used in phase 2, 38 bold items were used in phase 3.
创建时间：
2014-02-10
