Hypothesis: Among patients undergoing chemotherapy, the implementation of a prescribed walking program will decrease sleep disturbances and decrease incidence of depression. Results: The intervention group (those who engaged in a prescribed walking program) demonstrated significantly less sleep disturbances and depression than did those in the control group. Which of the following is NOT true: There is the potential for a Type I error There is the potential for a Type II error The researchers rejected the null hypothesis The researchers accepted the research hypothesis