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Abstract This article seeks to clarify the concept of test reliability and to differentiate between the theoretical definition and the methods of estimation. In the first part, the split-halves and test-retest methods are critically examined in the context of a typical skills test. The broader and more comprehensive definition of error under the test-retest method is noted. In the second part, the use of analysis of variance techniques in reliability studies is illustrated by application to a badminton wall volley test. The advantages of this approach over traditional approaches is discussed and possible applications cited.
Feldt et al. (Wed,) studied this question.