AB: Describes a qualitative method used by ethnographers to predict the actual choices of individuals in a group. Explains ethnographic decision tree modeling, which uses ethnographic fieldwork techniques to elicit from the decisionmakers their decision criteria, that are then combined in the form of a decision tree, table, flow-chart, or set of "if-then rules," that can be programmed on a computer. Describes how to model simple "do it; don't do it" decisions. Summarizes rules for choosing the sample of decisionmakers to interview, interviewing, and using contrast questions. Describes how to test and revise decision models, using as examples a model of a student's decision whether or not to buy a breakfast contract and a model of an African farmer's decision whether to buy fertilizer on credit. Describes how to recognize and correct some common errors in building and testing decision-tree models. Explains how to build multistage models, multialternative models, and series of sequential models. Discusses the usefulness of decision-tree models to the applied social scientist. Includes problems. Gladwin is Associate Professor in the Food and Resource Economics Department, Institute of Food and Agricultural Sciences, University of Florida. No index.
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