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The Study of Psychometric Properties of the Persian Version of Communication and Symbolic Behavior Scale Developmental Profile/Infant Toddler Checklist: An Application of Confirmatory Factor Analysis With Skew Distribution



Nikkhoo F1 ; Naghsh Z2 ; Fesharaki MG3
Authors

Source: Journal of Biostatistics and Epidemiology Published:2022

Abstract

Introduction: The importance of early detection and intervention of communication and language problems has increased the need for appropriate tools in this area. This study with aim to evaluating the psychometric properties of Persian version of the Communication and Symbolic Behavior Scales Developmental Profile (CSBS DP) infant/ toddler questionnaire has been done. Methods: In a cross-sectional study the Persian version of the CSBS DP was submitted to 157 participants randomly drawn from 8 kindergartens of Tehran city (Iran) in year 2020. Internal consistency, reliability, concurrent validity, and construct validity were evaluated. Concurrent validity was explored with total score of two questionnaires (Ages and Stages Questionnaire (ASQ) and MacArthur-Bates Communicative Development Inventory (CDI)). Results: The correlation between CSBS DP questionnaire with ASQ-3 and CDI were 0.88 and 0.64 respectively. The test-re-test reliability and internal consistency were 0.78 and 0.77 respectively. The confirmatory factor analysis showed adequate construct validity of the Persian version of the CSBS DP questionnaire. RMSEA, GFI and AGFI were <0.000, >0.9 and >0.9 respectively; moreover, other indexes were satisfactory. Conclusion: The results of this study showed that the validity and reliability of Persian version of CSBS DP questioner is approved and these tools can be used for early detection of evaluating language problems in in infant toddler. © 2021 Tehran University of Medical Sciences. Published by Tehran University of Medical Sciences.
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