Which theory explains that a well-designed survey effort will maximize the social rewards for survey participation and minimize its costs as well as establish trust that the rewards will outweigh the costs?

Which of the following characterizes the American party system today?

a. There are far fewer Independents than Democrats and Republicans combined. b. There are more Republicans than Democrats. c. The Democrats are increasing in comparison to Republicans and Independents. d. All of the above e. None of the above

An important reason for the increased popularity of within-subjects designs in psychological research is that

A) within-subjects designs are generally more sensitive to the effects of the dependent variable. B) within-subjects designs come closer to the multiple determined nature of behavior than do between-subjects designs. C) within-subjects experiments are easier to get published. D) within-subjects designs are generally more sensitive to the effects of the independent variable.