Brigham and Women's Hospital conducted a study with two groups of participants.One group was allowed to experience deep sleep, while the other group was deprived of deep sleep.Next, participants in both groups completed a visual task.Results indicated that performance did improve on the visual task for participants in the group that experienced deep sleep.In this study, what was one potential disadvantage?

Question

Quizplus · Accepted Answer

Increased statistical variance could be a potential disadvantage in this study because the difference in sleep quality among participants could introduce more variability in the visual task performance outcomes, making it harder to detect the effect of deep sleep on performance.

Brigham and Women's Hospital Conducted a Study with Two Groups