To test the relationship between gender and ratings of a promiscuous partner, a
ID: 3178056 • Letter: T
Question
To test the relationship between gender and ratings of a promiscuous partner, a group of men and women was given a vignette describing a person of the opposite sex who was in a dating relationship with one, two, or three partners. Participants rated how positively they felt about the individual described in the vignette, with higher ratings indicating more positive feelings.
(a) Complete the F-table and make a decision to retain or reject the null hypothesis for each hypothesis test. (Assume experimentwise alpha equal to 0.05.)
State the decision for the main effect of gender.
Retain the null hypothesis. Reject the null hypothesis.
State the decision for the main effect of promiscuity.
Retain the null hypothesis. Reject the null hypothesis.
State the decision for the interaction effect.
Retain the null hypothesis. Reject the null hypothesis.
(b) Based on the results you obtained, what is the next step?
Compute pairwise comparisons for the gender factor. Compute pairwise comparisons for the promiscuity factor. Compute simple main effect tests for the significant interaction. No further analysis is needed, because none of the effects are significant.
Source of Variation SS df MS F Gender 5 Promiscuity Gender × Promiscuity 156 Error 570 114 Total 811Explanation / Answer
Result:
Source of
SS
df
MS
F
Variation
Gender
5
1
5
1
Promiscuity
80
2
40
8
Gender ×Promiscuity
156
2
78
15.6
Error
570
114
5
Total
811
119
State the decision for the main effect of gender.
Table value of F(1,114) =3.92
Calculated F=1 which is < 3.92 the table value.
Retain the null hypothesis..
State the decision for the main effect of promiscuity.
Table value of F(2,114) =3.076
Calculated F=8 which is > 3.076 the table value.
Reject the null hypothesis.
State the decision for the interaction effect.
Table value of F(2,114) =3.076
Calculated F=15.6 which is > 3.076 the table value.
Reject the null hypothesis.
(b) Based on the results you obtained, what is the next step?
Compute pairwise comparisons for the promiscuity factor.
Source of
SS
df
MS
F
Variation
Gender
5
1
5
1
Promiscuity
80
2
40
8
Gender ×Promiscuity
156
2
78
15.6
Error
570
114
5
Total
811
119
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