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Testing evolutionary and ecological hypotheses using path analysis and structural equation modelling
Abstract
The use of path analysis has grown rapidly in recent years, yet few studies employ recent advances in the field of structural equation modelling (SEM). Here I illustrate the capabilities of SEM for path analyses, using data from a study of hummingbird pollination. The main drawback to conventional path analysis is that the overall agreement between the path diagram (or model ) and the data is not quantified ; this also means that there is no clear way to directly compare competing models of the same system
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