strength and difficulty questionnaire
...溪、盘锦)和两县(清原、东港)6720名6-17岁在校青少年作为调查对象，采用困难与长处问卷(strength and difficulty questionnaire，SDQ)和精神发育与健康状况评定问卷(The development and well beingasses...
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短语
采用困难与长处问卷
strength and difficulty questionnaire
;
SDQ