VALIDITY AND RELIABILITY OF TURKISH VERSION OF FEAR OF ALZHEIMER?S DISEASE SCALE (FADS)

Abstract

Author(s): Fikriye Yilmaz, Meric Yavuz Colak

The aim of the study is to evaluate the validity and reliability of Turkish version of the Fear of Alzheimer's Disease Scale (FADS). In the methodological study, the data of the study were collected by a questionnaire consisting of socio-demographic information, questions about dementia experience and FADS Turkish form. The sample of the study is a total of 310 adults aged 50 years and over. The validity of the scale was assessed by content validity, construct validity and predictive validity. In order to test the reliability of the scale, test-retest reliability, internal consistency coefficient, and item-total correlation coefficients were calculated. The mean of FADS scores of participants calculated as 43.48 ± 22.49. Kendall's W coefficient was calculated as 0.92 (p<0.05). The results of the Explanatory Factor Analysis revealed that there were 3 factors explaining 68.68% of the total variance of the scale. The results of the reliability analysis showed that the test-retest reliability correlation coefficient was 0.96, the Cronbach alpha coefficient was 0.95, and the correlations of the items with the total score were above the standard value of 0.40. It was concluded that the Turkish version of FADS was a reliable and valid scale with adequate psychometric properties.

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