By Peggy F. Barlett
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Additional info for Agricultural Decision Making. Anthropological Contributions to Rural Development
The choice will be finally narrowed to a "feasible" subset of crops requiring a more detailed decision in Stage 2. Stage 1 is essentially Tversky's (1972) elimination-by-aspects theory, a choice process in which "an aspect is selected . . and all the alternatives that do not include the selected aspect are eliminated. If a selected aspect is included in all the available alternatives, no alternative i? eliminated and a new aspect is selected [p. 2 8 5 ] . ) can be a selected aspect that is not shared by all alternatives, and is therefore capable of eliminating some of them.
The Machiguenga, however, are more likely to discuss this matter in terms of "taste," an area in which they have an ample vocabulary for describing the flavors and textures of food. Many of the foods in their diet are of excellent quality; the fish, in particular, are equal in flavor and texture to our salmon or trout, and when roasted or smoked are without peer. But the Michiguenga also show a high regard for all the foods in their diet, and rarely express distaste for any particular food (except in the case of personal food taboos, a subject too complex to be taken up here).
The nutritional value of a particular basket can be calculated by averaging the quantities of a given nutrient provided by each food in the basket, in proportion to its share by weight, in the whole basket. 1, we can see that the garden basket is clearly the least expensive, but of somewhat limited nutritional value compared to the expensive hunting and gathering basket, which is the most balanced source of nutrients. Fish are intermediate in cost, but relatively unbalanced in nutrients. The first run of the computer was set to find a solution that met minimum requirements of nutrients without further constraints.
Agricultural Decision Making. Anthropological Contributions to Rural Development by Peggy F. Barlett