Dr. Bauer is concerned that the changes in his participant's responses are due to their exposure to the sleep induction instrument and has nothing to do with their actual sleep disorder. Dr. Bauer is concerned about:

Question

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Practice effects refer to the changes in participants' responses due to becoming more proficient or familiar with the task or instrument, which is likely in the case of the sleep induction instrument. Maturation refers to changes in behavior or performance over time due to natural development or growth. Order effects refer to the effects that the order of presentation of the task or conditions has on participants' responses. History refers to external events that could influence participants' behavior or performance in the study.

Dr Bauer Is Concerned That the Changes in His Participant's