Internal validity in an experiment is affected by:
A) participant assignment to groups.
B) representatives of the sample.
C) participant selection procedures.
D) external validity.
Correct Answer:
Verified
Q19: Using participants in different conditions that "match"
Q20: If every person in the population has
Q21: To assign participants to groups in a
Q22: External validity in an experiment is most
Q23: In an experiment, the researcher was unintentionally
Q25: Random assignment is to _ as random
Q26: Control in an experiment can be achieved
Q27: The following experiment illustrates what design?
Q28: Random assignment of participants to conditions has
Q29: In a Solomon four-group design:
A) participants who
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