Objective To analyze the reliability and validity of the simplified Chinese version of Brief Form of the Social Phobia and Anxiety Inventory(SPAI-B) for adolescents,and verify its application in Chinese adolescents,in order to provide a reliable tool for measuring social anxiety in adolescent.Methods From April to May 2016,two primary schools and two junior high schools were selected in Zhangwu County Liaoning Province by convenient sampling method,and 6 classes in each school were selected by multi-stage,stratified and cluster sampling method,then 440 cases of students met the inclusion criteria were selected as the investigation objects.With the consent and providing of the original author of SPAI-B,Chinese version of the SPAI-B was obtained after converting into Chinese.The Chinese version of SPAI-B was used to investigate the subjects.A total of 440 questionnaires were distributed and 404 valid questionnaires were collected.The effective recovery rate was 91.8%.The subjects were divided into group A(n=197) and group B(n=207) by simple random sampling method.The results of group A were used for reliability and validity analysis of Chinese version of SPAI-B.The results of group B were used for validity analysis of Chinese version of SPAI-B.Fifty subjects were chosen from group A by convenient sampling method and retested two weeks later.Results The internal consistency Cronbach′s α coefficient of the Chinese version of SPAI-B was 0.903,split-half reliability was 0.859 and the retest reliability was 0.871.There was positive correlation among the score of each item in Chinese version of SPAI-B,and the score of each item in Chinese version of SPAI-B was positively correlated with the total score(P<0.05).The content validity index of Chinese version of SPAI-B was 0.803.The KMO of Chinese version of SPAI-B was 0.915.Bartlett′s spherical test χ2 was 1 198.823,P<0.001,indicating that it was suitable for exploratory factor analysis.One common factor with eigenvalue >1.000 was extracted after rotation by the maximum variance method,using the principal component analysis method,the eigenvalue was 6.605,the cumulative variance contribution rate was 41.284%,and the load values of each item were all >0.400.The confirmatory factor analysis showed that χ2/df=1.985,the comparative fit index(CFI)=0.909,the goodness of fit index(GFI) =0.899,adjusted goodness of fit index(AGFI) =0.868,normalized fit index(NFI) =0.834,the tucker-lewis index(TLI)=0.895,the incremental fit index(IFI)=0.910,the root mean square error of approximation(RMSEA)=0.069.The regression coefficient of un-standardized single factor model of Chinese version of SPAI-B was 0.34-0.69,the regression coefficient of standardized single factor model was 0.43-0.73.Conclusion The Chinese version of SPAI-B has good internal consistency and stability in assessing social anxiety in adolescents,it can be used to assess the social anxiety level of adolescent students.%目的 分析中文版简化青少年社交焦虑量表(SPAI-B)的信效度,验证其在青少年中的适用情况,为青少年社交焦虑提供可靠的测量工具.方法 2016年4-5月,采用便利抽样法在辽宁省彰武县选取2所小学和2所初中,再采用多阶段、分层和整群抽样法于每所学校分别抽取6个班级,然后选取其中符合纳入标准的学生440例为调查对象.征得SPAI-B原作者同意,并由其提供SPAI-B,汉化SPAI-B后得到中文版SPAI-B.采用中文版SPAI-B对调查对象进行调查.共发放问卷440份,回收有效问卷404份,有效回收率为91.8%.采用单纯随机抽样法将调查对象分成A组(197例)和B组(207例),其中A组调查结果用于中文版SPAI-B信度、效度分析,B组调查结果用于中文版SPAI-B效度分析.采用便利抽样法从A组中选取50例调查对象于2周后进行重测.结果 中文版SPAI-B内部一致性Cronbach′s α系数为0.903,分半信度为0.859,重测信度为0.871.中文版SPAI-B各条目得分间均呈正相关,中文版SPAI-B各条目得分与其总分均呈正相关(P<0.05).中文版SPAI-B的内容效度指数为0.803.中文版SPAI-B的KMO=0.915,Bartlett′s球形检验χ2=1 198.823,P<0.001,表明适合进行探索性因子分析.采用主成分分析法,经方差最大法旋转后提取特征值>1.000的公因子1个,特征值为6.605,累计方差贡献率为41.284%,各条目载荷值均>0.400.验证性因子分析结果显示,χ2/df=1.985,比较拟合优度指数(CFI)=0.909,拟合优度指数(GFI)=0.899,调整拟合优度指数(AGFI)=0.868,规准适配指数(NFI)=0.834,非规准适配指数(TLI)=0.895,增值拟合指数(IFI)=0.910,近似误差均方根(RMSEA)=0.069.中文版SPAI-B未标准化单因素模型回归系数为0.34~0.69,标准化单因素模型回归系数为0.43~0.73.结论 中文版SPAI-B评价青少年社交焦虑有良好的内部一致性和稳定性,信效度较好,可用于青少年学生社交焦虑水平的评定.
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