目的编制精神创伤影响评定问卷预试问卷(PTIQ)的原始条目池，并通过项目分析进行题项的筛选和分析。
Objective to establish item pool of psychological trauma impact questionnaire (PTIQ), and to screen and select items through item analysis.
目的编制精神创伤影响评定问卷预试问卷(PTIQ)的原始条目池，并通过项目分析进行题项的筛选和分析。
Objective to establish item pool of psychological trauma impact questionnaire (PTIQ), and to screen and select items through item analysis.
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