occur within the subject that are the functions of the passage of time and are not specific to any particular event. A subject can become hungry, bored, or tired in a short amount of time, which can ultimately affect the response results (Cousert, 2013, p. 231). The process of test taking can affect the scores of a second test. The experience from taking the first test can have a learning effect that can influence the results of the second test. When it comes to instrumentation, the threat to validity…
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