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Please reread the very useful suggestions you were provided with yesterday in your previous posting!
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Please reply to the list and not to my personal email.
Those desiring my consulting or training services please feel free to email me. --- "Nolite dare sanctum canibus neque mittatis margaritas vestras ante porcos ne forte conculcent eas pedibus suis." Cum es damnatorum possederunt porcos iens ut salire off sanguinum cliff in abyssum?" |
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In reply to this post by StatsUser
"I have 4 dependent, continuous variables (competence baseline, competence violation, competence repair, competence redress)..."
I would describe that as ONE dependent variable (competence) measured under 4 different conditions. I.e., you have a repeated measures situation, not a multivariate one. So as David notes, the model that was described yesterday is applicable here too. But one obvious difference is that your repeated measures factor now has more than 2 levels. Therefore, lack of sphericity may be an issue. For more information on sphericity, and how to deal with lack of it, see Thom Baguley's nice note. http://homepages.gold.ac.uk/aphome/spheric.html HTH.
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Bruce Weaver bweaver@lakeheadu.ca http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." PLEASE NOTE THE FOLLOWING: 1. My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. 2. The SPSSX Discussion forum on Nabble is no longer linked to the SPSSX-L listserv administered by UGA (https://listserv.uga.edu/). |
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Here's a more nicely formatted version of Thom Baguley's note on sphericity.
http://psychologicalstatistics.blogspot.ca/2006/05/what-is-all-this-stuff-about.html
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Bruce Weaver bweaver@lakeheadu.ca http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." PLEASE NOTE THE FOLLOWING: 1. My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. 2. The SPSSX Discussion forum on Nabble is no longer linked to the SPSSX-L listserv administered by UGA (https://listserv.uga.edu/). |
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In reply to this post by Bruce Weaver
Are these subscales of a larger psychological test measuring competence, each of which was standardized [on the validation sample] to have the same mean and standard deviation? Ryan
On Fri, Jul 27, 2012 at 8:40 AM, Bruce Weaver <[hidden email]> wrote:
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