Jason teaches his nine-year-old brother, Kevin, how to cook an egg. The next day, Kevin successfully cooks an egg. This scenario exemplifies ________.

Some drugs have the effect that, every time you take the drug, you increase slightly the probability that you will take it again. This process is referred to as

A. reinforcement. B. altered perception. C. deviant drug use. D. drug misuse.

On the Mechanical Turk website, researchers post studies and anyone who wants to can participate for a small fee. What kind of research sample does this provide? a. It is a convenience sample. b. It is a random sample

c. It is a representative sample. d. It is a statistical sample.