Cell birth and cell migration in the brain of a fetus is usually complete by the end of which month after conception?

A researcher wants to know whether a new drug reduces anxiety. Forty participants who suffer from anxiety disorder are assigned randomly to one of two groups. One group gets the new drug and the other group gets a placebo. Neither group knows which they receive. After 30 days on the drug, their anxiety levels are measured. In this experiment, is the independent variable and is the dependent

variable. a. anxiety, the new drug b. the new drug, the placebo c. anxiety, the placebo d. the new drug, anxiety

The part of the brain that directly allows you to contemplate the answer to this question is the:

a. hindbrain c. forebrain b. midbrain d. cerebellum