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Download full textKrishnan, Saras; Idris, Noraini – International Journal of Evaluation and Research in Education, 2018
In using the Rasch model to improve the quality of an instrument, analysis purports to determine if the sample collaborates well with the items in the instrument such that the results are measuring a single underlying variable. The relevant properties of Rasch analysis are reliability and validity which are key indicators of the quality of a…
Descriptors: Models, Item Response Theory, Construct Validity, Content Validity
