FACTORS INFLUENCING RELIABILITY OF A TEST.

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  1. Test length —-Longer tests have adequate content hence reliable.
  2. Group homogeneity—- The more the heterogeneity in a group , the more the reliability and the more the homogeneity the less the reliability.
  3. Speed test —- Speed test is the one in which the examinees do not have time to respond to some questions for which they know the answers.
  4. Test difficulty —- A test should not be too easy or too hard. Test of moderate level of complexity has reliabilility.
  5. Objectives —- Objective tests are more reliable than subjective tests.
  6. Clarity of instructions —- Items which are clear have high reliability.
  7. Conditions of testing —- The testing procedure should not be different especially in a test-reset technique.

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