In an experimental research design, the term manipulation refers to the

Which of the following situations best illustrates relearning?

A) Juan has memorized all his multiplication tables and can repeat them at will. B) Stanley studied Spanish in high school and is now learning Latin in college. C) Brooklyn hasn't ridden her bike in years, but she climbs on her boyfriend's bike and takes off. D) Riley has forgotten a friend's phone number and has to look it up.

It was standard practice in hospitals in Western countries from the 1930s through the 1960s to ______________

a. heavily medicate women in labor b. encourage women in labor to deliver at home c. prevent women from entering hospitals until active labor d. have a drug-free labor