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URL: http://rehabilitationj.uswr.ac.ir/article-1-1418-en.html
, Nadia Azari * 2, Adis Kraskian-Mojembari3 , Roshanak Vameghi4 , Soheila Shahshahani-Pour4 , Firouzeh Sajedi4
2- Pediatric Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. ,
3- Department of Counseling and Guidance, Azad Islamic University, Karaj Unit, Alborz, Iran, Department of Counseling and Guidance, Azad Islamic University, Karaj Unit, Alborz, Iran
4- Pediatric Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Sciences, Iran, Tehran, Evin Ave., Daneshjoo Blvd., Kudakyar St., University of Social Welfare and Rehabilitation Sciences, Pediatrician, Pediatric Neurorehabilitation Research Center; Telfax: 009821-22180099
Objective: The aim of the study was to develop a valid and reliable Persian version of the Bayley Scales of Infant and Toddlers Development Screening Test.
Materials & Methods: Forward and backward translation, face and content validity determination, and cultural and linguistic adaptations of the questionnaires were performed, consecutively. Clarity of items of the translated version of the scale were examined by a study that carried out on 45 Persian 1- to 42-month-old children, recruited by sampling in Tehran, during the year 2012 . In order to determine the reliability internal consistency, inter-rater and test-retest, 34 tests carried out. For determining the psychometric properties of the tests, later a representative sample of 260, 1- to 42-months-old children recruited through consecutive sampling from health -care centers in five main districts in Tehran.
Results: Performing cultural and lingual adaptations, our expert team made some inevitable changes to the test items. Almost in all age groups, cultural or linguistic changes were made in items in communication domains. The Cronbach alpha in cognitive, communication (receptive and expressive), fine and gross motor subtests were 0.96, 0.95. 0.95 and 0.94 respectively. The construct validity of the tests by factor analysis and comparison of mean scores in age groups was confirmed.
Conclusion: The Persian version of the Bayley Scales of Infant and Toddlers Development Screening test is a valid and reliable tool.
Received: 11/12/2013 | Accepted: 20/02/2014 | Published: 5/03/2014
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