Manipulation of an independent variable in a study ______ the internal validity of the study.
A) can decrease or increase
B) does not impact
C) increases
D) decreases
Correct Answer:
Verified
Q8: An extraneous factor is also called a(n)
Q9: Order effects are particularly problematic for _
Q10: _ effects occur when participants are tested
Q11: In a Latin Square, the number of
Q12: An independent variable is _.
A) a manipulated
Q14: An experiment is defined by the following
Q15: _ can be used to counter order
Q16: An experiment conducted with one or a
Q17: _ represents an experiment.
A) Two groups of
Q18: _ can be used to counter group
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