Surveys are also used to get “self-report” data from people. for example, you might be asked to take a survey in which you are asked to report on any crimes that you’ve committed, such as vandalizing a car.

true or false

Facial shaving brushes are either bulb-shaped or fan-shaped. an experiment is to be conducted to determine whether the lather thickness is the same for both types of shaving brushes. in previous studies, it was determined that shaving brush size (small, medium, large) is associated with lather thickness, but shaving brush type (wolf whiskers, maggard razors, frank shaving, and so on) is not associated with lather thickness. how could the experiment best be conducted? by blocking on shaving brush size by blocking on shaving brush type by blocking on shaving brush shape by blocking on lather thickness without blocking

To what extent was the chinese exclusion act a turning point in american foreign policy

What are political action committees seeking when they give campaign contributions