To assess the reliability of a measure, Julie administers different versions of the same test to the same individuals at two points in time. This procedure is an example of alternate forms reliability.
What is alternate forms reliability?
A measure of reliability between two variants of the same test is known as alternate forms of reliability. The results of two identical (but distinct) tests are correlated, and a reliability coefficient is computed. If variations in one test's observed results correspond to variations in the scores of an equivalent test, the test is said to be dependable.
What does alternate forms reliability measure?
A measurement of a test's consistency and freedom from error, as shown by a correlation coefficient determined from results to two or more different test forms. Also known as parallel-forms reliability, comparable-forms reliability, and equivalent-forms reliability.
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