Multiple Choice
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.
Correct Answer:

Verified
Correct Answer:
Verified
Q47: As the degrees of freedom for a
Q48: Two researchers (A and B)compute a two-independent-sample
Q49: To compute a two-independent-sample t test,a researcher
Q50: The t distribution is similar to the
Q51: A researcher reports the following result for
Q53: A two-independent-sample t test is used when
Q54: A researcher reports that mean ratings of
Q55: A researcher reports that the mean difference
Q56: A researcher reports a significant effect
Q57: A two-independent-sample t test is computed when