Why did testimonials work so well for mothers against drunk drivers? a. people like to see other people suffer and they were able to do so with testimonials. b. people connected on an emotional level with other people when they shared their stories about the effects of drunk driving. c. people like to hear stories of how people were hurt in accidents. d. most of the testimonials were performed by professional actors.

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

Why does the blending of many different diciplines present both challenges and opportunities to enviromental scientist?

The approach that contends psychology must study internal mental events in order to fully understand behavior is: