8.35 Calculate the effect size for each of the following average SAT math scores

Question

8.35 Calculate the effect size for each of the following average SAT math scores. Remember, SAT math is standardized such that = 500 and = 100 a. Sixty-one people sampled have a mean of 480 b. Eighty-two people sampled have a mean of 520. c. Six people sampled have a mean of 610 8.36 For each of the effect-size calculations in Exercise 8.35, identify the size of the effect using Cohen's guidelines Remember, for SAT math, = 500 and 100 a. Sixty-one people sampled have a mean of 480 b. Eighty-two people sampled have a mean of 520. c. Six people sampled have a mean of 610

Explanation / Answer

a.) Here on calculating we get d = 0.2

So, this is a small effect

b.) Here also d = 0.2,

So this is also a Small effect

c.) Here we get d = 1.1

So, this is a large effect

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