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After performing an ANOVA test, an analyst has determined that a significant effect exists due to income. The analyst wants to compare each Income to all others and wants to control for experimentwise error.
Which GLM procedure statement would provide the most appropriate output?
Suggested Answer: A
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12 comments · newest first
CL
Clay
12 months ago
Wait, can you really control for experimentwise error with that?
CR
Cristina
12 months ago
I thought Dunnett was for specific comparisons only?
LU
Lucy
1 year ago
Definitely going with C, it covers all comparisons.
GR
Gracia
1 year ago
I’m not sure about that, isn’t Tukey more conservative?
WI
Willis
1 year ago
Option C is the best choice for comparing all incomes!
DA
Dana
1 year ago
I feel like I might be mixing up the adjustments, but I think the one with "pdiff=all" is what we need for comparing every income level.
JA
Jarvis
1 year ago
I practiced a similar question where we had to choose between Tukey and Dunnett, and I think Tukey is the right choice for comparing all groups.
NA
Nana
1 year ago
I'm not entirely sure, but I think Dunnett's adjustment is more for comparing a treatment group to a control, not all groups.
MA
Magda
1 year ago
I remember that controlling for experimentwise error is really important, so I think we might need to use Tukey's adjustment for multiple comparisons.
SA
Sabrina
1 year ago
Hmm, the wording about the "External Account hierarchy" is throwing me off a bit. I'll need to re-read that part carefully.
SA
Samira
1 year ago
Hmm, I'm a bit confused here. If the organization-wide defaults are set to private, wouldn't that already prevent the manager from accessing the records? I'm not sure if removing access on the profile is necessary.
PA
Paola
1 year ago
Hmm, I'm a bit confused about the units here. Is 1U the same as 44.45mm? I'll need to double-check that.