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:: Volume 11, Issue 6 (2-2014) ::
RBS 2014, 11(6): 665-678 Back to browse issues page
Essentially of unidimensionality for indicators in medical and behavior science measures: application of structural equations modeling
مجتبي حبيبي1 , بلال ايزانلو2 , رضا باقريان سرارودي
1- استاديار، سنجش آموزش، دانشكده روان‌شناسي، دانشگاه خوارزمي، تهران، ايران
2- دانشيار، مرکز تحقيقات علوم رفتاري، گروه روان‌پزشکي، دانشکده پزشکي، دانشگاه علوم پزشکي اصفهان، اصفهان، ايران
Abstract:   (1659 Views)
Abstract: Aim and Background: The unidimensionality feature of indicators of a construct is rooted in the classical test theory (CTT), and in the context of CTT the term of being Homogeneity for items which was developed to measure a construct indirectly refers to this topic. Misunderstanding of the term has led many of researchers use exploratory factor analysis or Cronbach's alpha procedures to investigating and determination of unidimensionality. While, none of these procedures were not design for this propose. Methods and Materials: Using the survey design, 468 mothers with multiphase cluster sampling method fill in the PSI-SF. The data was analysis by structural equating model using LISREL software. Findings: using structural equation modeling approach and related software’s, which provide investigation of distribution of residuals, one could test Presence or absence of the unidimensionality feature of indicators. Conclusions: This study, in addition to theoretical discussions, examined this issue with a sample of empirical data.  
Keywords: Structural Equation Modeling, Unidimensionality, Latent Trait
Full-Text [PDF 359 kb]   (513 Downloads)    
Type of Study: Research | Subject: General
Received: 2020/02/8 | Published: 2014/02/15
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حبيبي م, ايزانلو ب, باقريان سرارودي ر. Essentially of unidimensionality for indicators in medical and behavior science measures: application of structural equations modeling. RBS 2014; 11 (6) :665-678
URL: http://rbs.mui.ac.ir/article-1-356-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 11, Issue 6 (2-2014) Back to browse issues page
مجله تحقیقات علوم رفتاری Journal of Research in Behavioural Sciences
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