Showing the strength of a paper towel is an example of the _ _ technique.
a. positive image
c. bandwagon
b. demonstration
d. testimonial

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

Apossible explanation for a set of facts that can be tested by further investigation is called

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.