Volume 2, Issue 8 (9-2013)                   CPAP 2013, 2(8): 109-122 | Back to browse issues page


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Rahafar A, sadeghi jujilee M, Sadeghpour A, Mirzaei S. Surveying Psychometric Features of Persian Version of Morning-Eventide Questionnaire. CPAP. 2013; 2 (8) :109-122
URL: http://cpap.shahed.ac.ir/article-1-646-en.html

Abstract:   (5406 Views)
It is recognized that day forms (morning, moderate, eventide) are related to many of meta-physiologic, cognitive and conductive variables and therefore there is need to Persian questionnaire for measurement of these body preferences. This research was done aimed at surveying psychometric features of morning-eventide questionnaire (Horne and Ostberg, 1976). This study was conducted on 270 students of Allame Tabatabaie University and Tehran University of Science and Researches and four questionnaires of morning-eventide, Beck depression, Oxford happiness, and general health were used for examination of structure validity (convergent, divergent, and factor structure). Considering the correlations achieved between morning-eventide questionnaire and other three questionnaires, and also main questionnaire factor analysis, structure validity of Persian version of this questionnaire was approved. In addition, appropriate Cronbach Alpha Coefficient (-0.79) was achieved. According to suitable statistical analyses and obtained results, it seems that Persian version of morning-eventide questionnaire has appropriate validity and reliability for measurement of day forms and could be effective tools for this.
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Type of Study: Research | Subject: Special

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