How does gender and occupational prestige affect credibility?Graduate students in a public health program are asked to rate thestrength of a paper about the health risks of childhood obesity. Inreality, all student raters are given the same paper, but the nameand degree associated with the author are changed. The studentraters are randomly assigned to one group from the following name("John Lake", "Joan Lake") and degree (M.D., R.N., Ph.D.)combination. The raters score the paper from 1 to 5 on clarity,strength of argument, and thoroughness. The total scores (the sumof the three scores) are given in the table below. What can beconcluded with an ? of 0.05?
John Lake /
M.D. | John Lake /
R.N. | John Lake /
Ph.D. | Joan Lake /
M.D. | Joan Lake /
R.N. | Joan Lake /
Ph.D. |
|---|
12
15
13
15
14 | 15
16
12
13
13 | 11
8
13
12
9 | 15
10
12
14
12 | 10
7
8
10
6 | 11
11
12
8
8 |
Compute the corresponding effect size(s) and indicatemagnitude(s).
Name: ?2= ; ---Select--- na trivial effectsmall effect medium effect large effect
Degree: ?2= ; ---Select--- na trivial effectsmall effect medium effect large effect
Interaction: ?2= ; ---Select--- na trivial effectsmall effect medium effect large effect
