What is the definition of effect size?
A) the size of a difference when it is expressed on a standardized scale
B) the size of the difference in raw-score means between groups
C) the size of the standard deviation of results
D) the size of the difference between the hypothesized results and the actual data
Correct Answer:
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Q2: Suppose a researcher conducted an experiment on
Q3: In this topic, the raw-score differences between
Q4: If the value of d for the
Q5: Using Cohen's suggested descriptors, a value for
Q6: What is the "effective range" of standard
Q7: According to this topic, what are the
Q8: Cohen's d is expressed on a standard-deviation
Q9: A value of r should be interpreted
Q10: Meta-analysis is used for what?
A) combining the
Q11: When comparing results between similar experiments, which
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