On Fri, 8 Sep 2000, Magill, Brett wrote:
Is there a difference between a Nested Model in general and what is
referred to as a hierarchical linear model?
On my understanding that "hierarchical linear model" is the same as
"multilevel model", a nested model is in general a particular instance
of a hierarchical or multilevel model.
However, the standard programs I know of for performing ANOVA on nested
models do not in general estimate the covariances between levels of the
design; and these are explicitly modelled (or are explicitly assumed not
to exist) in multilevel modelling. So one ought not to expect the
_analysis_ of a nested model (by your favourite statistical package's
ANOVA or GLM routine) to yield the same results as a properly
hierarchical analysis.
-- DFB.
Donald F. Burrill [EMAIL PROTECTED]
348 Hyde Hall, Plymouth State College, [EMAIL PROTECTED]
MSC #29, Plymouth, NH 03264 603-535-2597
184 Nashua Road, Bedford, NH 03110 603-471-7128
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