examiner too evaluate is impractical for most classroom situations.
B. Reliability
A reliable test is consistent and dependable. If you give the same test to the same student or
matched students on two different occasions, the test should yield similar result. The issue
of reliability of a test may best be addressed by considering a number of factors that may
contribute to the unreliability of a test. Consider the following possibilities (adapted from
Mousavi, 2002, p. 804): fluctuations in the student, in scoring, in test administration, and in
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