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  • 标题:Can the Depression Anxiety Stress Scales Short Be Shorter? Factor Structure and Measurement Invariance of DASS-21 and DASS-9 in a Greek, Non-Clinical Sample
  • 本地全文:下载
  • 作者:Theodoros A. Kyriazos ; Anastassios Stalikas ; Konstantina Prassa
  • 期刊名称:Psychology
  • 印刷版ISSN:2152-7180
  • 电子版ISSN:2152-7199
  • 出版年度:2018
  • 卷号:09
  • 期号:05
  • 页码:1095-1127
  • DOI:10.4236/psych.2018.95069
  • 语种:English
  • 出版社:Scientific Research Publishing
  • 摘要:This study focused on the factor structure, invariance, reliability, and validity of two DASS versions: DASS-21 and DASS-9. Dimensionality was examined with Exploratory and Confirmatory factor analysis in 2271 Greek adults of the non-clinical population. Sample was split in three parts and the “3-faced construct validation method” was adopted. An EFA and a Bifactor EFA model were tested in the 20% subsample for both DASS-21 and DASS-9. Then, in the 40% subsample eleven CFA models were tested for DASS-21 and six for DASS-9 (using ICM-CFA, Bifactor CFA and ESEM). Optimal DASS-21 and DASS-9 models were successfully validated in the remaining 40% subsample (i.e. in a subsample of equal power). DASS-21 and DASS-9 showed strict measurement invariance across gender. Reliability (α and ω) and AVE convergent validity were adequate for both versions. Correlation analysis based on 10 different measures revealed a predominant uniform pattern of relations, similar for both versions. Considering all findings, the Greek versions of DASS-21 and DASS-9 are invariant, reliable and show construct and convergent validity.
  • 关键词:DASS-21;DASS-9 Factor Structure;3-Faced Construct Validation Method;ESEM;ICM-CFA;Bifactor EFA;Bifactor CFA;Measurement Invariance;Greece;Normative Data
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