In this article, the author problematizes external, objectified, oversimplified, and mechanical approaches to validity in qualitative research, which endorse simplistic and reductionist views of knowledge and data. Instead of promoting one generalizable definition or operational criteria for validity, the author's "deconstructive validity work"…

The primary purpose of this article is to further discussions of validity in mixed methods research by introducing a validation framework to guide thinking about validity in this area. To justify the use of this framework, the authors discuss traditional terminology and validity criteria for quantitative and qualitative research, as well as…

Describes formative research methodology and how it can be used for procedural instructional design theory. Compares formative research with formative evaluation for instructional products and discusses objectivity, trustworthiness, construct validity, and the need for greater use of formative research methodology. (Contains 32 references.)…