Volume 25, Issue 1 (4-2018)                   RJMS 2018, 25(1): 1-10 | Back to browse issues page

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Nademi M S, Bahrami B, Maarefvand M, Motamedi S V, Mardani M A, Biglarian A. Psychometric properties of attitude questionnaire to prayer: construction, development, validity and reliability. RJMS. 2018; 25 (1) :1-10
URL: http://rjms.iums.ac.ir/article-1-5054-en.html
University of Social Welfare and Rehabilitation Sciences, Tehran, Iran , abiglarian@uswr.ac.ir
Abstract:   (933 Views)
Background: Development and psychometric properties of an instrument in general health should be methodologically strong and follow standard procedures. An important factor of mental health is praying. The purpose of this study was to develop a questionnaire for assessing students' attitude towards prayer.
Methods: This cross-sectional study was conducted on 500 students in the Jan. 2017 at the University of Welfare and Rehabilitation Sciences (USWRS). The first draft of the prayer questionnaire (68 items) was based on literature review. To ensure content validity and face validity, the research panel team examined the questionnaire and the items were reduced to 33. Thereafter the questionnaire was tested by 9 students and also an expert panel team (10 persons) examined face and content validity. Then construct validity, internal consistency, and test- retest reliability of were assessed. Finally, Receiver Operating Characteristic (ROC) curve was used to assess the predictive ability of the attitude questionnaire and to inform the choice of a cut-off point. Data analysis was carried out using SPSS 21 software.
Results: 18 items were omitted based on the content validity ratio (CVR<0.6) and 11 items were  added by the expert panel. For this questionnaire, the average content validity index of relevance, simplicity, and clarity were 0.879, 0.976 and 0.958, respectively. Scale- Level content validity index was calculated 0.937. Cronbach's alpha coefficient (0.95) confirms the high internal consistency and test-retest coefficient (0.903) confirms stability of this questionnaire. Factor analysis identified four factors, based on 22 items, which explained a total of 68% of the total variance. The cut-off point score by using the ROC curve analysis was calculated 53.5.
Conclusion: Our finding showed that the students’ attitude questionnaire with 22 items provided a reliable and valid tool to detect attitude of students towards praying. This questionnaire can be used in other universities in Iran.
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Type of Study: Research | Subject: Biostatistics

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