What statistical test did researchers use to find out if

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In an essay of 250-500 words answer the following questions:

What statistical test did the researchers use to determine if there was a statistically significant difference in levels of self-esteem between the boys and the girls?
What was the purpose of calculating a Cohen's d? When is a Cohen's dcalculated? Interpret d=.90. What does it mean in this example?
What if the researcher compared the adolescent boys before treatment and again after treating them for depression? What type of t-test would be most appropriate in this case, and why?

Reference no: EM13463427

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What statistical test did researchers use to find out if : in an essay of 250-500 words answer the following questionswhat statistical test did the researchers use to determine

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