Abstract
<p>Hajj Instrument (HAJI) was developed to determine hajj pilgrim’s wellness. This study used Rasch measurement to evaluate the psychometric properties including validity and reliability of the HAJI. The respondents involved in this study were 300 comprised of Malaysian hajj pilgrims. HAJI consists of eight constructs namely physical care, physical activity, healthy eating, knowledge, mental toughness, intrapersonal, interpersonal and relationship with Creator and natures. Validity of each construct and content was determined through dimensionality, item fit and item polarity while the reliability was achieved by administered person and item separation. The results showed that the reliability for both item and person were 0.99 and 0.96 respectively. Besides, there were no items need to be dropped based on PTMEA CORR and INFIT MNSQ results. The study revealed that the items of HAJI fit the Rasch model as well as able to measure hajj pilgrim’s wellness. </p>
Highlights
There are extensive literatures on the definition of wellness but few researches about the wellness assessment (Anspaugh, Hamrick, & Rosato, 2008)
Validity of each construct and content was determined through dimensionality, item fit and item polarity while the reliability was achieved by administered person and item separation
Rasch measurement (RM) was used to analyze the validity and reliability of Hajj Instrument (HAJI) based on psychometric standard criteria including item dimensionality, item polarity and item fit analysis
Summary
There are extensive literatures on the definition of wellness but few researches about the wellness assessment (Anspaugh, Hamrick, & Rosato, 2008). There are several methods have been developed to measure wellness such as Life Assessment Questionnaire (LAQ) (Tearnan & Ross, 2012), TestWell (Brown, Applegate, & Yildiz, 2015), Perceived Wellness Survey (Rothmann & Ekkerd, 2007), Optimal Living Profile (von Guenthner & Hammermeister, 2007) and Wellness Inventory (Roscoe, 2009). Those methods assess wellness in general which means not specific to certain events and age. Study aims to evaluate HAJI reliability and validity in order to be used as a measurement instrument for hajj ritual
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