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As far as we're concerned, sample moments are a posh way of saying means, variances and covariances (usually). Skew and kurtosis sometimes in there too. Here's far more infomation that you need, or can (probably) make sense of http://en.wikipedia.org/wiki/Moment_(mathematics). They relate to SEM because (in conventional SEM, using maximum likelihood estimation) that's what you analyse. Jeremy On 17 October 2014 03:35, Nora McIntyre <[log in to unmask]> wrote: > Sorry for cross-posting - > > What are sample moments? > How do they relate to SEM exactly? > > > Thanks in advance > Nora > > Nora A McIntyre > Doctoral Researcher in Education 2013/6 (ESRC) > Psychology in Education Research Centre, York > http://bit.ly/uynam > http://