The Results of the Featured Study on the Effects of Sleep

question 10

Multiple Choice

The results of the Featured Study on the effects of sleep deprivation show that when compared to members of the control group,participants who experienced partial sleep deprivation

• A) showed no significant decline in performance on cognitive measures during the study.
• B) showed a gradual decline in performance on cognitive measures during the study.
• C) scored significantly lower on a measure of mood at the end of the study.
• D) maintained a significant level of irritability weeks after the study.

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Definitions:

Familywise Error

The odds of incurring one or more false alarms, or type I errors, in the process of multiple hypothesis testing.

Fewer Comparisons

A methodological approach in research that aims to reduce the risk of Type I errors by limiting the number of hypotheses tests or comparisons.

Tukey Test

A statistical test used to compare the means of three or more groups to find which pairs of groups differ significantly.