Through modeling of their parents, children often learn which of the following?

When Ivan Pavlov rang a bell once, put the bell away, and then presented food to the dogs, he was demonstrating __________ conditioning

a. backward b. delayed c. trace d. simultaneous

When you are given a free sample, there is some feeling of obligation to buy the product. This is known as the

a. norm of reciprocity b. bystander effect c. foot-in-the-door effect d. opinion conformity