Low _____ activity accompanied by high _____ activity may lead to mania.

One of the reasons for the dramatic rise in the typical ages of entering marriage and parenthood today in developing countries is ________

the difficulty in finding employment the increase in the number of years to complete formal education the difficulty in finding someone with whom to be romantic society does not encourage early marriage

The manipulated variable in a study is the _____ variable, and the variable measured in a study is the _____ variable

a. independent variable; dependent variable b. dependent variable; independent variable c. controlled; uncontrolled d. uncontrolled; controlled