Investigating the Quality of Psychometric Properties Via Rasch Model

Amal Hayati Ishak (), Siti Khadijah Ab Manan () and Rafeah Saidon ()
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Amal Hayati Ishak: Academy of Contemporary Islamic Studies (ACIS), Universiti Teknologi MARA
Siti Khadijah Ab Manan: Academy of Contemporary Islamic Studies (ACIS), Universiti Teknologi MARA
Rafeah Saidon: Academy of Contemporary Islamic Studies (ACIS), Universiti Teknologi MARA

A chapter in Eurasian Business and Economics Perspectives, 2021, pp 59-71 from Springer

Abstract: Abstract The Rasch model is beneficial for validating psychometric properties via a series of indicators. This article elaborates on these indicators, based on the results of a newly developed measurement scale: the Islamic Quality Management Scale (IQMS). The IQMS targets to measure the application of Islamic values in the context of quality management. IQMS is proposed to overcome the weakness of existing scales, which merely focus on material aspects of quality management, disregarding the innate value content of quality management. Based on systematic literature review, a list of good values in the context of quality management is extracted and subsequently conceptualized based on the relevant Quranic verses and prophetic traditions. A list of psychometric properties was developed and validated via the Rasch model. This article elaborates on the empirical evidences of the IQMS reliability via three measures: item polarity analysis, fit statistics, and local item dependency. As these analyses prompt on item scrutiny rather than direct removal, this article discusses the interpretation of the analyses, the appropriate decision taken, and its effectiveness. Based on the results, 11 items are suggested for removal, in order to have a robust measurement scale, which later can be used to evaluate the application of values in quality management context.

Keywords: Item fitness; IQMS; Psychometric properties; Reliability; Rasch model (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:spr:eurchp:978-3-030-65147-3_4

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DOI: 10.1007/978-3-030-65147-3_4

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