A researcher compared the average salary for a sample of first generation college graduates with the average for all college graduates one year postgraduation and found t(99) = –1.59, p > .05, d = .62. Is there a possibility of a Type II error?
A. Yes, the probability of a Type II error is 5%.
B. Yes, but we do not know the exact probability.
C. No, you cannot have a Type II error when the null hypothesis is rejected.
D. No, you cannot have a Type II error when the effect size is moderate or large.
Ans: B
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