Suppose a researcher conducted an experiment on improving algebra achievement, and the experimental posttest raw-score mean equaled 500.00 (sd = 100.00) , and the control group raw-score mean equaled 400.00 (sd = 100.00) . What is the value of the effect size for the experiment?
A) 0.0
B) 0.1
C) 1.0
D) 1.1
Correct Answer:
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Q1: What is the definition of effect size?
A)
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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