Volume 13, Issue 2 (June 2015)                   IRJ 2015, 13(2): 62-67 | Back to browse issues page

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Vameghi R, Sajedi F, Shahshahani S, Biglarian A. Validity and Reliability Determination of Parents Evaluation of Developmental Status (PEDS) in 4-60 Months old Children in Tehran. IRJ. 2015; 13 (2) :62-67
URL: http://irj.uswr.ac.ir/article-1-470-en.html
1- Pediatric Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.
Abstract:   (2389 Views)

Objectives: There are various developmental screening tools that are different in terms of psychometric characteristics and choosing the best one is challenging for the pediatrician. This research was designed to identify the validity and reliability of Parents Evaluation of Developmental Status, a developmental screening questionnaire, in 4-60 months-old children in the city of Tehran.

Methods: In order to validate the Parents Evaluation of Developmental Status, a precise translation of the questionnaire was performed by the research team. A Persian version was back-translated by three English language experts who were unfamiliar with the Parents Evaluation of Developmental Status. The back-translated version was compared with the original version. The content validity of the finalized Persian version was verified by three pediatricians. The questionnaire was performed on 648 children ranging from 4 to 60 months old in healthcare clinics. A test-retest method with 2-3 weeks interval and Cronbach’s & alpha were used in order to determine the reliability of the questionnaire.

Results: All of the questions in Parents Evaluation of Developmental Status had desirable content validity and there was no need to change them. The total Cronbach’s &alpha coefficient was 0.63, which, when considering the low number of items in Parents Evaluation of Developmental Status, is acceptable. The test-retest correlation coefficient was determined to be 0.87, which is desirable. The estimated Kappa measure agreement between Parents Evaluation of Developmental Status and Ages and Stages Questionnaires was 0.30. Due to the rather large sample size and similarity of the screening results by both questionnaires in 71.5% of cases, it is possible to conclude that this measure is an acceptable one. 

Discussion: This research showed that Parents Evaluation of Developmental Status has a good content validity and reliability and can be used for developmental screening of children in Tehran city. Because the test is brief, using it can lead to saving time and resources.

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Type of Study: Original Research Articles |
Received: 2015/03/12 | Accepted: 2015/05/27 | Published: 2015/06/1

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