nr Snooze looked at the effect of sleep deprivation on cognitive functioning in

Question

nr Snooze looked at the effect of sleep deprivation on cognitive functioning in elderly men and women. He contacted local doctors specializing in geriatrics to obtain a sample for this study. On Monday morning R00 am after 8 hours of sleep the night before, and then again a week later at 8:00 am after 4 hours of sleep the night before, 35 subjects solved a complicated maze when they arrived at the lab in the morning and the time to complete the maze was recorded for each subject. 11. The study , so Dr. Snooze should a. uses a within-subjects design; conduct a dependent-samples t-test b. uses correlational design; conduct a Pearsonr c. uses a between-subjects design; One-way ANOVA d. has a large sample size; conduct a z-test e. violates parametric assumptions; conduct a Mann-Whitney U-test f. 2x2 factorial design; 2-way ANOVA

Explanation / Answer

In this case

option B is correct

i.e uses correlational design ; conduct a pearson r

since researcher wants to conduct the effect of sleep depreviation on cognetive functioning of both men and women. So he wants to know whether there is association of sleep depreviation between men and women or not.

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