Information Technology Reference
In-Depth Information
Figure 12.32
Specifying the post hoc tests.
These are the mean
differences for the
different levels of
powcolor.
Differences of Least Squares Means
Standard
Error
powcolor powcolor
Estimate
DF
Adjustment
Adj P
Effect
powcolor
powcolor
powcolor
t Value
Pr
>
⏐
t
⏐
<
.0001
0.0016
<
1
1
2
2
3
3
1.9417
− 0.8417
−
0.1957
0.1957
0.1957
10
10
10
9.92
Bonferroni
Bonferroni
Bonferroni
<.0001
0.0047
<.0001
4.30
−14.22
−
2.7833
.0001
This Table presents
both the
unadjusted
p
-value
and the Bonferroni
adjustment.
Figure 12.33
A portion of the output from the post hoc tests.
