What is it called when a historical event affects one group but not the other?
A) Differential selection
B) Differential attrition
C) Selection history
D) Extraneous variable
Correct Answer:
Verified
Q1: The need for quasi-experimental design studies is
Q2: The nonequivalent groups pretest-posttest design does not
Q3: NEGDs are especially susceptible to the threat
Q4: Why would you use a posttest-only design
Q6: Nonequivalent groups pretest-posttest design studies can be
Q7: Switching replication can help control for maturation,
Q8: Nonrandomized stepped-wedge design studies:
A) allow each cluster
Q9: Interrupted time-series design (ITSD) studies are known
Q10: A research study is determining whether providing
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