创伤后成长量表在经历汶川地震初中生中的修订与初步应用

Chinese Mental Health Journal(2010)

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Abstract
目的:在经历汶川地震的初中生群体中修订创伤后成长量表(Post-traumatic Growth Inventory,PTGI),并考察其信效度。方法:采用方便取样,在重庆市2个一般灾区的2所初中共抽取2个样本,用创伤后成长量表、儿童抑郁量表(Children's Depression Inventory,CDI)、儿童版事件影响量表(Children's Revised Impact of Event Scale,CRIES)进行施测。用样本1(N=294)进行探索性因素分析,样本2(N=625)进行验证性因素分析。结果:(1)探索性因素分析获得3因素模型(人际关系、新可能性、个人力量),各条目在所属因子的载荷为0.41~0.77,3因子可解释总变异为47.2%。验证性因素分析发现拟合指标较好,IFI=0.990,CFI=0.990,RMSEA=0.051,χ2/df=3.082。将3因素模型和原5因素模型比较,发现前者指标优于后者(5因素:IFI=0.987,CFI=0.981,RMSEA=0.053,χ2/df=3.317)。(2)创伤后成长量表修订版内部一致性信度在0.663~0.851之间。(3)PTGI总分及各分量表分与CRIES侵袭量表得分呈正相关(r=0.19~0.27,P<0.01),与抑郁量表得分呈负相关(r=-0.21~-0.29,P<0.01)。结论:创伤后成长量表修订版具有较好的信、效度,可用于同龄人群创伤后成长研究。
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Key words
psychometric study,Wenchuan earthquake,adolescent,validity,reliability,Posttraumatic Growth Inventory
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