Among 18- to 24-year-olds in the United States, about what percentage use social networking websites?

What is defined as a program of shared rules or norms that govern the behavior of people in a society, as well as a set of shared values and beliefs?

a. Nation b. Culture c. Statute d. Expectation

The total group that we want to draw conclusions about in a scientific studyis called the

A) control group B) independent variable C) population D) hypothesis