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Improving Validity of Tests through Improved Test Development Procedures

Psychometricians over the world are of the view that validity and reliability of testitems are very critical in Quality Assurance of test items. However, validity is themost important between the two attributes of a good test because it gives the truescores, relevance and appropriateness of test items.This paper presents the definition of validity of test items, its types and importancein quality assurance of testing procedures.Effort was made to identify some test development procedures in order toimprove upon validity measures of tests among which are providing clearinstructions in the tests, avoiding the use of difficult vocabularies, appropriatearrangement of items and improving upon the length of tests.The paper opines that when these test development procedures are adopted, then,there is an assurance in the improvement of the validity of the test.

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