Quiz 12

Which of the following statements are true? A good literature review for a research question: I. May reveal that the problem already has been adequately investigated. II. May highlight particular aspects of the research problem most in need of further investigation III. Might suggest that planned research design is not appropriate for the problem chosen IV. Can highlight the strong and weak points of theories related to the topic - Responses II and IV are true - All four responses are true - Only response #I is true - Responses I, II, and III are true

- All four responses are true

Which of the following elements are conveyed in this sentence? Mark all that apply. "Children's age and height are positively correlated." - Units of measurement - Magnitude of association - Direction of association - Children's heights

- Direction of association

Miguel is testing the hypothesis that the percentage of students who smoke marijuana will be higher in the Western region of the U.S. than in other regions. What kind of chart should he create to display his statistical results? - Line chart - Simple bar chart - Clustered bar chart - Pie chart

- Simple bar chart

Which of the follow best describes how data is collected for the Health Behavior in School-aged Children Study? - Student academic records - Randomized controlled trial - Survey - Focus groups

- Survey

As children get older, they get taller. This statement is an example of a(n) [___] association. - variable - positive - inverse - negative

- positive