PSYCHOLOGY 291 EXAM 4 STUDY GUIDE | VERIFIED GUIDE

PSYCHOLOGY 291 EXAM 4 STUDY GUIDE Exam 4 RDSA study guide Chapter 8 Study Guide 1. A study finds a correlation coefficient of r = .52. According to Cohen’s benchmarks, the magnitude of this effect is: a. modest. b. large. c. multiply determined. d. categorical. 2. Which of the following graph formats is the best way to examine an association claim between a categorical variable and a quantitative variable? a. A scatterplot b. A line graph c. A bar graph d. A pie chart 3. When examining an association claim using a bar graph, an association is indicated by which of the following? a. A difference in the height between the bars b. The number of bars in the graph c. The number of observations that make each bar d. The direction of the bars 4. When examining an association in which one variable is categorical and one is quantitative, which of the following is NOT likely to be used? a. A t test b. A correlation c. A scatterplot d. A bar graph 5. While reading about a research study, which of the following would tell you that an association claim is being made? a. The presence of a scatterplot or bar graph b. The measurement of two variables c. The use of a correlation coefficient d. The interrogation of internal validity