Your text states that there are changes in activity in such brain areas as the reticular formation and the pons during sleep,but that "researchers have not established that changes in the activity of these areas cause us to sleep." Based on these statements and on your knowledge of research methods in psychology,what type of research has most likely been conducted on the role of brain activity during sleep?
A) experimental research
B) correlational research
C) case study research
D) survey research

Question

Quizplus · Accepted Answer

The statement suggests that there is a correlation between changes in brain activity and sleep, but no causal relationship has been established. Therefore, correlational research is most likely to have been conducted to study the role of brain activity during sleep, rather than experimental research, case study research, or survey research. Correlational research is designed to investigate the relationship between two or more variables without manipulating them, which would make it an appropriate method for exploring the relationship between brain activity and sleep.

Your Text States That There Are Changes in Activity in Such