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Gerald M. Platt 《The American Sociologist》1987,18(1):102-105
The Department of Sociology at the University of Massachusetts-Amherst offers a unique graduate program. The program is demanding
but collegial, with faculty and students working together to produce mutually authored articles, monographs, and books. Many
students concentrate their doctoral dissertations on applied topics, that is, social policy and evaluation research. These
students are trained in theory and methods of sociology; their graduate training is the same as all other students in the
program. Graduates have been well placed in the academy and in other occupational sectors. 相似文献
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Comparisons of factor analytic results based on a matrix of total (individual) correlations and three matrices of between-groups (ecological) correlations revealed fundamental differences in factor patterns when the unit of analysis shifted from individuals to aggregates. The major difference involved the marked tendency for a highly individualistic General Ability Factor derived from the matrix of total correlations to become more and more sociological in content as individuals were aggregated. Results are discussed in terms of their bearing on the problem of determining the "appropriateness" of a given unit of analysis, individuals vs. aggregates, for certain levels of inquiry, i.e., psychological vs. sociological. It is concluded that whether the researcher should heed the traditional warning about the use of aggregate data relationships as a basis for making inferences concerning individuals ought to depend in part on whether his interest is in psychological or sociological propositions about indivduals. 相似文献
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Gerald M. Britan 《Evaluation and program planning》1978,1(3):229-234
Evaluation research is one of the most rapidly evolving fields of applied behavioral science. As demand for program assessment has increased, the number of alternative evaluation approaches has also grown. As a result, everyday practitioners have often lacked sufficient guidelines for the choice of appropriate evaluation strategies.The present paper articulates an underlying epistemological distinction between (a) experimental evaluation models which simplify program realities in generalizable analyses of discrete causes and effects, and (b) contextual evaluation models which holistically examine particular program operations. These two evaluation approaches are directed at different purposes and are applicable to different program settings. A topology of program characteristics (breadth of goals, scope of treatment, specificity of results, and clarity of theory) is developed and linked to the appropriateness of experimental and contextual evaluation. 相似文献