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 type of research design was used?

Question

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A between-subjects design was used as there were two separate groups (one with deep sleep and one without) that were compared for their performance on the visual task.

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