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Direct linkPuhan, Gautam – Applied Measurement in Education, 2009
The purpose of this study is to determine the extent of scale drift on a test that employs cut scores. It was essential to examine scale drift for this testing program because new forms in this testing program are often put on scale through a series of intermediate equatings (known as equating chains). This process may cause equating error to…
Descriptors: Testing Programs, Testing, Measurement Techniques, Item Response Theory
