Failure to identify interactive effects of independent variables can result in

Single-subject designs can improve on the pretest-posttest designs by

A) adding a control group. B) adding an additional single-subject as a hypothetical control. C) adding more conditions to the experiment. D) using a better statistical test to evaluate the data.

The increased number of news and infotainment options has resulted in __________ in which media outlets focus on a particular interest and aim at a particular audience

a. investigative journalism— b. watchdog journalism c. narrowcasting d. selective exposure