Dr Tsuei Is Studying the Effects of Sleep Deprivation on Interpersonal

Multiple Choice

Dr. Tsuei is studying the effects of sleep deprivation on interpersonal skills. He is testing the interpersonal skills of 20-25 year-old males who have been sleep deprived for 24 hours, 36 hours, or 48 hours. In this study, the dependent variable is the ____.

A) age of the research participants
B) interpersonal skills of the research participants
C) length of time that the research participants are deprived of sleep
D) type of interpersonal skills test used in the study