Chapter 3 Psychometrics: Reliability & Validity
2. To Improve Reliability a. Group homogeneity: Ensure that the group is as heterogeneous, respecting the skill or content to be tested as is natural. b. Time limits: Ensure there is enough time for almost all examinees to finish. c. Test or measure length: Ensure the test is long enough to accurately reflect the content or [assessment] domain.
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