In 1910, Karl Jaspers wrote a seminal essay on morbid jealousy in which he laid the foundation for the psychopathological phenomenology that through his work and the work of Hans Gruhle and Kurt Schneider, among others, would become the ...

It seems that many qualitative researchers have still not contextualized the role of validity in qualitative analysis.This article enumerates three factors that must be taken into account: The philosophy of science within which one works, the discipline to which one belongs, and the subfield of specialization that one pursues. Most researchers have encountered the question of validity within the context of empirical science, but validity does not have the same role within a phenomenological philosophy of science. Within the discipline of (...) psychology, certain subfields ignore the validity issue for good reasons and other subfields specialize in developing strategies for validity. This article analyzes the reasons that the specialty of "test construction" focuses so strongly on validity issues and concludes that phenomenological qualitative research is not at all similar to the situation one finds in test construction. Rather, phenomenological qualitative research is closer to experimental situations and so the validity issue is not as pressing as is often supposed. The article ends with two different Husserlian perspectives on a theory of knowledge. (shrink)

A scientific community cannot practice its trade without some set of received beliefs. These beliefs form the foundation of the "educational initiation that prepares and licenses the student for professional practice". The nature of the "rigorous and rigid" preparation helps ensure that the received beliefs are firmly fixed in the student's mind. Scientists take great pains to defend the assumption that scientists know what the world is like...To this end, "normal science" will often suppress novelties which undermine its foundations. Research (...) is therefore not about discovering the unknown, but rather "a strenuous and devoted attempt to force nature into the conceptual boxes supplied by professional education". (shrink)

Thomas S. Kuhn's classic book is now available with a new index.

Originally published: New York: Random House, 1972.