What are the two central features of a pretest-posttest control group design?
A) One group and the dependent variable is posttest scores
B) Two groups and the dependent variable is the pretest scores
C) One group and the effect of the intervention is determined by the change between pretest-posttest
D) Two groups and pretest-posttest scores are compared to assess the change
Correct Answer:
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Q1: Which is the best example of random
Q3: Posttest-only control groups are not commonly used
Q4: Which treatments are believed to produce more
Q5: How can posttreatment differences occur between groups
Q6: A Latin square would produce which
Q7: Factorial designs are preferred because they:
A) Test
Q8: Posttest-only control groups are used to:
A) To
Q9: Quasi-experimental designs:
A) Are not true experiments
B) Allow
Q10: What is a typical strategy used to
Q11: What type of design allows participants to
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