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Educational and Psychological…1
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Al-Sadaawi, Abdullah1
Sideridis, Georgios D.1
Tsaousis, Ioannis1
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Saudi Arabia1
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Sideridis, Georgios D.; Tsaousis, Ioannis; Al-Sadaawi, Abdullah – Educational and Psychological Measurement, 2019
The purpose of the present study was to apply the methodology developed by Raykov on modeling item-specific variance for the measurement of internal consistency reliability with longitudinal data. Participants were a randomly selected sample of 500 individuals who took on a professional qualifications test in Saudi Arabia over four different…
Descriptors: Test Reliability, Test Items, Longitudinal Studies, Foreign Countries