Thanks a lot! I'd better plunge in - a lot of interesting stuff to read.

Liliana




________________________________
Fra: Peter Dixon <peter.dixon@ualberta.ca>
Til: r-sig-mixed-models@r-project.org
Sendt: Mandag, februar 16, 2009 16:55:03
Emne: Re: [R-sig-ME] how to report the results from lmer() in APA-style

Liliana -

There is also a list of papers with examples of reporting lmer results  
at http://lme4.r-forge.r-project.org/, some of which use APA style.

- Pete

On Feb 16, 2009, at 7:42 AM, Liliana Martinez wrote:

> Dear all,
>
> I am trying to apply the lmer function in R 2.8.0. to some  
> linguistic data, but I am at a loss when it comes to reporting the 
> results (see below). The APA recommendations say that effects should  
> be reported as follows:
>
> F (df1, df2) = ... , p. = ...
>
> The question is, where do I find all these things? So far I have  
> learned through different sources that df1 and F can be found  
> through using the anova() function (is this correct?), but where do 
> I find df2 and p ?
> I have even bigger problems when my dependent variable has a  
> binomial distribution, because then the anova() and pvals.fnc()  
> functions cannot be applied.
>
> I wonder as well whether there is a commonly approved way of  
> reporting the output of the 'print (xxx.lmer)' and 'xxx.pvals$fixed'  
> commands? I can see that some of the levels of a factor are  
> significantly different from the baseline, and this is of interests 
> for me, but how shal I report it? Or should other tests be applied 
> in order to find the difference between the levels? (and, if yes, 
> what tests?)
>
> Any help/ advice/ references will be greatly appreciated.
>



---
Peter Dixon
Department of Psychology
University of Alberta
Edmonton, Alberta, Canada
T6G 2E9
780-492-2318
780-492-1768 (fax)
peter.dixon@ualberta.ca



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