Abstract: Objective To revise the Chinese version of the sluggish cognitive tempo(SCT) Scale, and to test its reliability and validity,in order to provide a valid tool for assessing SCT. Methods Totally 1 735 students from two ordinary primary schools in Shanghai were randomly selected from April to December 2020, whose parents completed the questionnaire, including SCT scale, Attention Deficit Hyperactivity Disorder Diagnostic Scale-Parent Version(ADHDDS-P), Achenbach Child Behaviour Checklist (CBCL). Partly 266 students randomly selected from school samples in grades one to five were assessed with SCT scale to analyze the test-retest reliability 1 month later. And 106 patients diagnosed with the DSM-5 criteria of ADHD disorder from Shanghai Mental Health Center were tested by SCT and ADHDDS-P. Results The Cronbach′s α coefficient of the SCT scale was 0.920, and the test-retest coefficient was 0.85 (P<0.01). The consistency between the items and the total score ranged from 0.469 to 0.784(P<0.01). Exploratory factor analysis showed that SCT had 3 factors (KMO=0.946, P＜0.001), named daydreaming, tardiness and cognitive decline. Confirmatory factor analysis tested proved the three-factor model basically fit (χ²/df=7.739, RMSEA=0.084). The SCT total scores were positively correlated with ADHDDS-P total scores (r=0.753, P＜0.05), and the SCT scores were higher in children with ADHD(boys: t=13.77, girls: t=7.81, P＜0.001). Conclusions SCT scale is basically appropriate for Chinese because of its good validity and reliability. The three-factor model fits well proved by exploratory and confirmatory factor analysis, so it could be used to assess sluggish cognitive tempo symptoms for children.

Key words: sluggish cognitive tempo, Scale, reliability, validity, attention deficit hyperactivity disorder

摘要： 目的 修订并评价中文版认知缓慢特质(SCT)量表的信效度,为临床评估认知缓慢特质提供工具。方法 2020年6—12月随机抽取上海地区两所普通小学的在校生(n=1 735),由抚养人完成中文版SCT 量表、ADHD 诊断量表父母版(ADHDDS-P)和阿成贝切儿童行为清单(CBCL)的填写。在一至五年级随机选取2个班的学生(n=266),以30天为间隔,对SCT量表进行重测。选取在上海市精神卫生中心儿少门诊就诊且符合美国精神障碍诊断与统计手册第5版(DSM-5)中ADHD诊断标准的患儿(n=106),完成SCT量表、ADHDDS-P。结果 SCT量表内部一致性Cronbach′s α系数为 0.920;重测信度为0.852,项目与总分的一致性相关系数为0.469~0.784(P<0.01);探索性因子分析提示SCT量表得到3个因子(KMO=0.946,P<0.001),分别命名为白日梦、迟缓和认知能力减退;验证性因子分析提示初步符合三因子模型,计算获得结构效度(χ²/df=7.739,RMSEA=0.084);学校样本中SCT与ADHDDS-P总分相关系数较高(r=0.753, P＜0.05);ADHD病例组中SCT得分均显著高于对照组儿童(男生t=13.77, 女生t=7.81,P＜0.001)。结论 SCT量表中文版总体信效度良好,通过探索和验证性因子分析,三因子模型适配度尚可,可试用于临床。

关键词: 认知缓慢特质, 量表, 信度, 效度, 注意缺陷多动障碍