Determining the Right Sample Size for Your Test: Theory and Application

Determining the right sample size in a reliability test is very important. If the sample size is too small, not much information can be obtained from the test in order to draw meaningful conclusions; on the other hand, if it is too large, the information obtained through the tests will be beyond that needed, thus time and money are wasted. This tutorial explains several commonly used approaches for sample size determination.
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Author Name: 
Huairui Guo, Edward Pohl, & Athanasios Gerokostopoulos
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