Which of the following is not a necessary characteristic of a true experiment?
A) a pretest
B) random assignment of participants to groups
C) control of threats to internal validity
D) at least two levels of the independent variable
Correct Answer:
Verified
Q35: Random assignment of individuals to groups:
A) nullifies
Q36: A pretest-posttest control group design does not
Q37: To select participants from a pool of
Q38: A classmate designs the following experiment. What
Q39: When assigning participants to groups, you should
Q41: If two groups are equal with regard
Q42: Outline the Solomon four-group design, indicating its
Q43: What is a true experiment according to
Q44: Experimental design must allow for two functions.
Q45: Why is the interpretation of experimental results
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