Why is it important to use a number of different stimulus items in an experiment?
A) So that the relationship among items can be determined
B) In order to determine how each individual item impacts performance
C) To ensure that you have enough items in order to find a significant effect
D) Too few items may limit the generality of the findings
Correct Answer:
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Q2: Statistical regression, as a threat to internal
Q3: Reactivity may pose a threat to the
Q4: Reducing possible threats to internal validity will
Q5: An example of the instrumentation threat to
Q6: What is typically done to reduce the
Q8: The timing of measurement e.g., pretest, posttest,
Q9: Internal validity is best defined as:
A) The
Q10: Generalizing research findings from animals to human
Q11: What is a typical approach used by
Q12: Which of the following is NOT a
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