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Peer reviewedHumphreys, Lloyd G. – Intelligence, 1991
Cross-lagged methodology (CLM), which is virtually ignored by psychological researchers, is suggested for studies of causal relations in which controlled experimentation is unfeasible. The longitudinal facet in the design of CLM is highlighted. Advantages and limitations of the CLM are described. (SLD)
Descriptors: Causal Models, Correlation, Etiology, Inferences
