A psychiatrist is interested in determining if conditions of individuals who are clinically depressed improve with either 20 or 40 milligrams of Prozac. She administers 20 milligrams to a random half of her clients and 40 milligrams to the other half. After six months, she finds that the clients who took 40 milligrams of Prozac are significantly less depressed than those clients who took 20 milligrams of Prozac. Which type of study did the psychiatrist conduct?
A. correlational research
B. experimental research
C. controlled research
D. hypothetical research

Option B

Experimental research

Explanation:

An experiment research method is an investigation in which a hypothesis is tested. In an experiment, an independent variable is manipulated and the dependent variable (the effect) is measure, any extraneous variables are controlled. An advantage is that experiments should be objective.

answer; women of color tend to be misrepresented as either "good girls" or "bad girls';

male citizens in athens could vote on all the decisions that affected the city and serve on juries. however, democracy was not open to everyone. citizen women and children were not allowed to vote. slaves and foreigners living in athens (known as metics) were banned from participating in government.