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Chapter 9
multiple choice questions for Objective 9
multiple choice questions for Objective 9
This activity contains 4 questions.
Which of the following designs poses the greatest risk to internal validity?
O X OM
O O
O
O
X O
O X
1
O
O X
2
O
R X
1
O
R X
2
O
Many beginning researchers believe that research involves testing, treating, and testing a single group again to show gains. This is an example of
comparison group research.
quasi-experimental research.
true experimental research.
pre-experimental research.
The unique characteristic of true experimental designs which differentiates them from quasi-experimental designs is
random assignment of subjects to groups.
fewer internal validity threats.
the likelihood of equivalent groups.
All of these
Quasi-experimental research is used when
random selection is not possible.
neither random selection nor random assignment is possible.
random assignment is not possible.
there are no comparison groups available.
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