Prior research has identified a correlation between the size of the INAH-3 brain region and sexual orientation in men. Is it possible to use this research to definitively identify what changes in the brain to cause a person's sexual orientation?
A. Yes, because a correlation was observed we can assume that changes in this brain region are responsible for determining sexual orientation.
B. Yes, because this finding can be used to guide experiments that manipulate this area of the brain in humans and examine the effect on orientation.
C. No, because these correlational findings were observed in a sample of men with AIDS and this region of the brain is not visible in men without AIDS.
D. No, because it would be unethical to conduct an experimental study where that brain region is manipulated to examine the effect on orientation.
Answer: D
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