Validity and Reliability of the Instrument for a Pilot Study of the Religious Life of Buddhist Women in the Muslim Community Using the Rasch Measurement Model

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Dr. Jaffary Awang, HalimahtulSa’diyah Mohamad, Dr. Kamaruddin Salleh, Dr. Zaizul Ab Rahman


A pilot study instrument of religious life was developed to measure the phenomenon of Buddhist women in religious beliefs, religious practices, religious identity, Muslim community environment and outcome: dimensions of religious life according to Buddhist women’s perspective. This analysis aimed to produce empirical evidence on the validity and reliability of religious life instruments using the Rasch model. This pilot study using a survey method was conducted in Kelantan involving 37 Buddhist women respondents in Kelantan through simple random sampling. The validity and reliability of the pilot study of Buddhist women’s living instruments were measured using the Rasch model via Winsteps Version software. The results of the analysis of the pilot study confirmed that the reliability value obtained based on the Cronbach’s Alpha (α) value was 0.94 (Cronbach Alpha (KR-20) Person RAW Score Reliability = .94). The pilot study results also validated that the value of the person reliability was 0.92, which is an acceptable value of reliability. The value of the separation index obtained also indicated 4.18. Analysis of item reliability documented a value of 0.89. Based on the analysis of the value of PT-Measure Correlation, one item showed a negative value, and the researcher should eliminate it because it did not meet the concept of determining the polarity of the item that was set. The results of the analysis of this pilot study substantiated nineteen items above the range of 1.51, there were ten pairs of items with a high correlation value of 0.93, and the researcher eliminated 18 items from 112 items. Thus, the researcher retained 94 items for the actual study. Altogether, analysis of the validity and reliability of the pilot study is paramount to ensure that the instruments for the actual research were of high quality and meaningful.

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