Abstract
A new technique for causal analysis of cross-cultural surveys is presented. The epistemological assumption is that for any given sociocultural process, the ethnographic universe contains societies that were at different stages of the process when they were ethnographically described. To set up a causal design, one must logically deduce the different stages through which a particular society undergoing the process would pass. Thus, instead of making a series of diachronic measurements of the variables in each society, the diachronic changes in the variables would be represented by a series of synchronic measurements made in different societies at different stages of the process. Two examples of the use of this technique in previous research are presented, and, as a further example, it is suggested how the technique could be used to test Wallace's theory of Revitalization Move ments.
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