You want to know whether or not serotonin selective reuptake inhibitors (SSRIs)

Question

You want to know whether or not serotonin selective reuptake inhibitors (SSRIs) like Prozac decrease sex drive in men. You have 100 subjects to work with. Would it be better to have a group of 100 people in your study who all received Prozac or would it be better to have 50 people who received Prozac and 50 people who did not? Select one: a. Better to have 100 people who each received Prozac because bigger sample sizes are better than smaller sample sizes. ? b. You should divide them into a group that receives Prozac and a group that doesn't because you need a control group. C. There is merit to both choices. Either decision is fine.

Explanation / Answer

1. b. You should divide them into a group that receives prozac and group that doesn't because you need a control group.

2. a. A small sexually dimorphic nucleus is associated with a male gender identity in humans.

3. b. Female rats that were exposed to high levels of testesterone in early development and that show female copulatory behaviours in adulthood.

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