One of the roles of qualitative enquiry is the utilization of qualitative methods for the development, refinement or modification of concepts. Yet, to date, there are no criteria for evaluating the adequacy of a concept. In this paper, the anatomy of a concept is presented, methods of concept analysis critiqued, and criteria for evaluation of the level of maturity of a concept suggested. Evaluation of criteria include assessment of: the definition of the concept, the characteristics of the concept, the conceptual preconditions and outcomes, and the conceptual boundaries. The authors argue that evaluation of a concept must necessarily precede concept development research (using a Wilsonian-derived method, a critical analysis of the literature, or qualitative enquiry) and precede more formal research procedures (such as operationalization or identification of the variables).

In this form of concept analysis, each principle contributes to an understanding of the strengths and limitations of the present state of the concept in the scientific literature. We believe that this perspective will enable nursing to begin to harness the power of concept analysis for advancing science rather than simply imagining what a concept could be or constructing what we believe it should be.

Social support is a multi-faceted concept that has been difficult to conceptualize, define and measure. Although this concept has been extensively studied, there is little agreement among theoreticians and researchers as to its theoretical and operational definition. As a result, the concept remains fuzzy and almost anything that infers a social interaction may be considered social support. Social support researchers have consistently ignored the complexity of the concept and have measured the variable in a simplistic manner. The purpose of this article is to analyse the linkage between theory and research related to social support by categorizing definitions of social support, exploring the theoretical aspects and conceptualizations of the concept, proposing models of social support, and examining how social support is measured in current social support research (1993-1996). The inadequacy of current research and directions for future study are discussed.

The newly developed interdisciplinary conceptualization advances the concept toward maturity, that is, a more refined, pragmatic and higher-order concept. The refined concept of trust transcends the contextual boundaries of each discipline in a truly interdisciplinary scientific fashion.