Receptor cells in the retina responsible for color vision and fine acuity are __________

Which of the following is NOT one of the theories of media influence discussed in this chapter?

a. Uses and gratification approach b. The Cognitive Developmental Approach c. Social Learning Theory d. Cultivation Theory

When a single group of subjects is allocated among any number of categories, the chance fe's for the chi square are

a. equal to the size of the sample b. equal to the fo's, divided by the sample size c. equal to the sample size, divided by the fo's d. equal to the fo's