Asserting that the development of educational theory requires scientific study based on comparative data, the author analyzes the objections to data comparison between societies and finds this to be a nonissue. This is the Presidential Address, delivered to the Comparative and International Education Society, Mexico City, March 1978. (SJL)

This article explores some of the conceptual and strategic problems of truly comparative research. Addressing the study of national educational policies, the author considers the uses of theory in defining units of analysis and compares the costs and utility of research strategies based on differing compositions within the research team.…

This letter is written in response to Joseph P. Farrell's article (Comparative Education Review 23, February 1979), "The Necessity of Comparisons in the Study of Education." It raises doubts about the possibility of an exact science of education because education is based in the humanities. (KC)

Analyzes the concept of comparison as a methodological problem in cross-cultural studies and comparative education. Outlines five types of relationships that rely on equivalence or comparability. Discusses the questions of whether the concepts under comparison correspond, how to measure correspondence, and how to resolve linguistic difficulties.…

There are a number of more meaningful ways of examining differences in achievement scores than by making comparisons, however complex, simply on the basis of national boundaries. Past methodological schemes may have been analytically convenient, but the results are hardly clear or convincing. (BRR)