Re: Non-independence of observations

Posted by Ryan on Aug 21, 2011; 4:20am
URL: http://spssx-discussion.165.s1.nabble.com/Non-independence-of-observations-tp4719595p4719724.html

Students are nested within lunch canteens. The pattern of meals
distributed in a day by a school canteen may be correlated with the
pattern of meals distributed during other days by the same lunch
canteen.

Ryan

On Sat, Aug 20, 2011 at 5:13 AM, Nikos Ntoumanis <[hidden email]> wrote:

> Dear all,
> I would be grateful if someone could offer me advice of appropriate
> statistical analysis for the following problem. I am involved in a research
> proposal examining the choice of food in school canteens over a period of a
> few weeks. For various reasons, we are not  able to code/record the identity
> of kids; we can only code the meal choice. Obviously, we cannot assume that
> the repeated observations (i.e., meal choices) within a school are
> independent. How can we correct for this? I know how this problem can be
> addressed when student ID can be recorded, but what about when it cannot be
> recorded?
> Thanks
> Nikos

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