Multiple Choice
In a within-subjects research study,factors that change over time,such as history and maturation,can be threats to
A) internal validity.
B) external validity.
C) both internal and external validity.
D) neither internal nor external validity.
Correct Answer:

Verified
Correct Answer:
Verified
Q12: How many participants would be needed for
Q13: A researcher is conducting an experiment comparing
Q14: For a within-subjects experiment comparing two treatments,a
Q15: The appropriate hypothesis test for a within-subjects
Q18: For an experiment that compares two treatment
Q21: Order effects can become a confounding variable
Q29: Using a Latin square to counterbalance a
Q30: For a within-subjects experiment,one of the primary
Q38: If one or more of the treatments
Q66: Order effects include _.<br>A) history and instrumentation