Hi Kelly,
It's a confusing area, but I agree with Richard and Brian: you almost
certainly don't have enough cases. However, check your KMO, and
Bartlett's test. If your KMO is good, you could argue that you do.
Jeremy
On 24 May 2011 05:05, Kelly Tate <[log in to unmask]> wrote:
> Hi,
>
>
>
> I have produced a correlation matrix of some questionnaire data and notice
> that there exist several significant correlations amongst the questionnaire
> items. I am considering running an exploratory factor analysis on this data
> set, however I am concerned that my sample size is not adequate. There seem
> to be numerous ideas out there about what constitutes a large enough sample
> size for factor analysis, with some researchers suggesting that is it more
> about the ratio of sample size/ variables measured. My data consists of 65
> participants who each completed an 11 item questionnaire, does anyone have
> an opinion on whether this number is sufficient to produce a meaningful
> factor analysis?
>
>
>
> Thanks in advance
>
>
>
> Kelly Tate
>
> PhD researcher
>
> Univeristy of Manchester
>
> School of Psychological Sciences
>
>
>
> Sustainable Consumption Institute
>
> http://www.sci.manchester.ac.uk/
>
>
--
Jeremy Miles
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