1. Both authors are with the Department of Rural Sociology at Washington State University. They would like to thank Arnold Holden, Jack Kartez, and Ruth Love for very helpful comments on an earlier draft. This is a revised version of a paper presented by the senior author at the 1981 annual meetings of the American Association for the Advancement of Science; it is Scientific Paper Number 6381, Research Project 0478, Agricultural Research Center, Washington State University. Portions of this paper were also...