[R-sig-teaching] Unbalanced factorial designs

[Ista Zahn]

I see that the email has not gone through because of the attachment.
The file can be downloaded from
http://prometheus.scp.rochester.edu/zlab/sites/default/files/InteractionsAndTypesOfSS.pdf

-Ista

On Fri, Feb 27, 2009 at 7:53 PM, Ista Zahn <izahn at psych.rochester.edu> wrote:
> Hi everyone,
> This is not a very R-specific question, I hope that will be forgiven.
> I am the teaching assistant for the graduate level regression course
> in the department of clinical and social psychology at my university.
> Many of the students are very confused about the issues that arise
> when analyzing factorial designs with unequal cell sizes.
>
> I wrote the attached paper in an attempt to clarify these issues for
> them. I'm concerned that my attempt to help them understand the issues
> may just confuse them more, and I'm also concerned that I have be
> mistaken about some of the claims I make in this paper.
>
> If you have time to look it over at let me know if you spot any
> problems I would greatly appreciate it.
>
> Thank you,
> Ista
>