A researcher has participants rate the likability of a sexually promiscuous person described in a vignette as being male (n = 20) or female (n = 12). The mean likability ratings in each group were 4.0. If the null hypothesis is that there is no difference in likability ratings, then do likability ratings differ at a .05 level of significance?
A. Yes, this result is significant, p < .05.
B. No, this result is not significant, t(30) = 0.
C. No, this result is not significant, t(30) = 1.00.
D. There is not enough information to answer this question because the variance in each sample is not given.
Ans: B
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