A biological psychologist would say that a 3-year-old boy's love of going "vroom, vroom" with his truck collection is probably largely a result of _________

In the terminology of instrumental conditioning, money is a primary reinforcer for humans in everyday life.

a. true b. false

According to the Center for Disease Control, approximately how many new cases of sexually transmitted diseases occur each year in the U.S.?

A) 36 million B) 19 million C) 7 million D) 1 million