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Evaluating the Content Validity of IKBAR Using Content Validity Ratio Among Profesional Experts

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The aim of this study is to examine the content validity of Adversity Quotient (AQ) for IKBAR measurement instrument for Malaysian polytechnic students. IKBAR has 220 items which measured four main constructs based on the CORE model by Stoltz (1997), namely Control, Ownership, Reach and Endurance. The analysis examined using the Content Validity Ratio (CVR) based on the Lawshe Validity Model (1975). This study was conducted through the evaluation of written and online questionnaires on nine experts selected via purposive sampling. The panel of nine professional experts from the university with expertise in psychology, measurement and linguistics were chosen to evaluate the content validity of IKBAR. The CVR’s critical value that must be adhered to 0.653 (N = 9) for the purpose of refining the items. Based on the evaluation by the experts, 129 items shows the CVR values less than 0.653 needs to be refined. The results indicated that IKBAR should be reassessed its psychometric properties using more robust psychometric theory, such as Rasch measurement model for further item refinement of the instrument.
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Keywords: AQ; Content Validity; Content Validity Ratio; Polytechnics; Professional Experts

Document Type: Research Article

Affiliations: 1: Faculty of Education, National University of Malaysia, Malaysia 2: School of Educational Studies, University of Science Malaysia, Malaysia 3: Departments of Educational Psychology and Counseling, University of Malaya, Malaysia 4: Departments of Early Childhood and Education, Sultan Idris Education University, Malaysia

Publication date: July 1, 2018

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