NUR 302 - Chapter 9 Questions with Verified Answers (Correct
Update)
Question 1: The research design for a quantitative study involves decisions with regard to which of
the following? Select all that apply.
A. Which conceptual framework to use
B. Whether there will be an intervention
C. What types of comparisons will be made
D. How many times data will be collected
Answer: B, C, D
Question 2: Which of the following are key criteria for making causal inferences about the
relationship between two variables? Select all that apply.
A. Lack of temporal ambiguity about which variable occurred first
B. Statistical confirmation that a relationship between the two exists
C. The ability to randomly assign study participants to groups
D. The ability to rule out other factors as potential causes of the outcome
Answer: A, B, D
Question 3: An important function of a rigorous research design in a quantitative study is to have
control over which of the following?
A. Outcome variables
B. Mediating variables
C. Carryover variables
D. Confounding variables
Answer: D. Confounding variables
Question 4: A true experiment requires which of the following? Select all that apply.
A. Control
B. Intervention
C. Blinding
D. Randomization
Answer: A, B, D
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, Question 5: The use of a random numbers table for assigning subjects to groups eliminates which of
the following?
A. Selection threat
B. Intervention fidelity
C. Attrition
D. Carryover effects
Answer: A. Selection threat
Question 6: Which of the following is invariably present in quasi-experimental research?
A. A control group
B. An intervention
C. Matching of subjects
D. Randomization
Answer: B. An intervention
Question 7: A one-group pretest-posttest design is an example of which of the following?
A. A crossover design
B. A true experimental design
C. A quasi-experimental design
D. A retrospective design
Answer: C. A quasi-experimental design
Question 8: A pretest is to a posttest as which of the following?
A. The placebo effect is to the Hawthorne effect
B. A baseline measure is to a final outcome measure
C. Blinding is to matching
D. Attrition is to a mortality threat
Answer: B. A baseline measure is to a final outcome measure
Question 9: One weakness associated with cause-probing correlational research is which of the
following?
A. Artificiality of the settings in which it occurs
B. Difficulty in linking the research to a theoretical framework
C. Problem of self-selection into groups
D. Inability to generalize the findings beyond the sample
Answer: C. Problem of self-selection into groups
Page 2
Update)
Question 1: The research design for a quantitative study involves decisions with regard to which of
the following? Select all that apply.
A. Which conceptual framework to use
B. Whether there will be an intervention
C. What types of comparisons will be made
D. How many times data will be collected
Answer: B, C, D
Question 2: Which of the following are key criteria for making causal inferences about the
relationship between two variables? Select all that apply.
A. Lack of temporal ambiguity about which variable occurred first
B. Statistical confirmation that a relationship between the two exists
C. The ability to randomly assign study participants to groups
D. The ability to rule out other factors as potential causes of the outcome
Answer: A, B, D
Question 3: An important function of a rigorous research design in a quantitative study is to have
control over which of the following?
A. Outcome variables
B. Mediating variables
C. Carryover variables
D. Confounding variables
Answer: D. Confounding variables
Question 4: A true experiment requires which of the following? Select all that apply.
A. Control
B. Intervention
C. Blinding
D. Randomization
Answer: A, B, D
Page 1
, Question 5: The use of a random numbers table for assigning subjects to groups eliminates which of
the following?
A. Selection threat
B. Intervention fidelity
C. Attrition
D. Carryover effects
Answer: A. Selection threat
Question 6: Which of the following is invariably present in quasi-experimental research?
A. A control group
B. An intervention
C. Matching of subjects
D. Randomization
Answer: B. An intervention
Question 7: A one-group pretest-posttest design is an example of which of the following?
A. A crossover design
B. A true experimental design
C. A quasi-experimental design
D. A retrospective design
Answer: C. A quasi-experimental design
Question 8: A pretest is to a posttest as which of the following?
A. The placebo effect is to the Hawthorne effect
B. A baseline measure is to a final outcome measure
C. Blinding is to matching
D. Attrition is to a mortality threat
Answer: B. A baseline measure is to a final outcome measure
Question 9: One weakness associated with cause-probing correlational research is which of the
following?
A. Artificiality of the settings in which it occurs
B. Difficulty in linking the research to a theoretical framework
C. Problem of self-selection into groups
D. Inability to generalize the findings beyond the sample
Answer: C. Problem of self-selection into groups
Page 2
