CLASSICAL TEST THEORY: An Introduction to Linear Modeling Approach to Test and Item Analysis

Ado Abdu Bichi


The practice of testing has become increasingly common and the reliance on information gained from test scores to make decision has made an indelible mark on our culture. The entire educational system is today highly concerned with the design and development of the tests, the procedures of testing, instruments for measuring data, and the methodology to understand and evaluate the results. In theory of measurement in education and psychology, Classical Test Theory (CTT) is a popular framework.

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