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:: Volume 15, Issue 2 (7-2017) ::
RBS 2017, 15(2): 142-150 Back to browse issues page
Determination of the Psychometric Properties of the Aging Perception Questionnaire
آدیس کراسکیان موجمباری *, فریده حقی عسگرآبادی, فرهاد جمهری
Abstract:   (1343 Views)
Aim and Background: The aim of this developmental study was to determine the reliability and validity of the Aging Perception Questionnaire (APQ) in the elderly in Tehran, Iran. Methods and Materials: To estimate the psychometric properties of the APQ, 502 individuals (373 subjects aged 60-80 years and 129 subjects aged 50-59 years, and 49.4% men and 50.6% women) in Tehran were selected using convenience sampling. The multidimensional APQ, which consists of two parts, was distributed among the subjects. The first part evaluates the viewpoint about increasing age (aging), and the second part evaluates the experiences related to changes in their health. Findings: Data analysis showed that the internal consistency of the APQ for the first part consisting of 32 items was 0.82 and for the second part consisting of 17 items was 0.88. In addition, the internal consistency of each subscale ranged between 0.63 and 0.81. The stability coefficient for the two parts of the questionnaire was assessed using test-retest over the period of 2 months and was found to be significant for all subscales (P < 0.01). To assess the construct validity, the exploratory factor analysis (EFA) using principal components (PC) analysis was used. The sampling adequacy in the two parts was, respectively, 0.871 and 0.728, and the significance of Bartlett test indicated appropriate conditions for factor analysis. Based on these findings, the first part of the APQ was saturated with 7 factors and in total explained 50.24% of the total variance. The second part in the single-factor structure in terms of determination of the experiences of health-related changes was valid that explains about 36.21% of the total variance under these conditions. The significant correlation between scores of APQ components and subscales of the Quality of Life Questionnaire (P < 0.01) represented the criterion-referenced validity of the questionnaire. Conclusions: The findings showed that the APQ had appropriate reliability and validity for assessing perceptions of aging in Iranian elderly.
Keywords: Reliability, Validity, Aging, Perception, Elderly
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Type of Study: Research | Subject: General
Received: 2020/02/8 | Accepted: 2017/07/15 | Published: 2017/07/15
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کراسکیان موجمباری آ, حقی عسگرآبادی ف, جمهری ف. Determination of the Psychometric Properties of the Aging Perception Questionnaire. RBS. 2017; 15 (2) :142-150
URL: http://rbs.mui.ac.ir/article-1-526-en.html


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Volume 15, Issue 2 (7-2017) Back to browse issues page
مجله تحقیقات علوم رفتاری Journal of Research in Behavioural Sciences
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