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Designing and carrying out effective and valid research are the desired goals of all researchers, and demonstrating the trustworthiness of one's dissertation research is a requirement for all doctoral candidates. For qualitative researchers, reaching the desired goal and meeting the requirement of trustworthiness become particularly problematic due to the considerable debate about what it means to do valid research in the field of qualitative inquiry. This article reviews the various approaches to the validity problem in the hope of turning this debate into a dialogue. Validity is traced from its origins in the realist ontology and foundational epistemology of quantitative inquiry to its reformulations within the lifeworld ontology and non-foundationalism of interpretive human inquiry. Various recent qualitative approaches to validity are considered, and interpretive reconfigurations of validity are reviewed. Interpretive approaches to validity are synthesized as ethical and substantive procedures of validation.
Maureen Angen (Mon,) studied this question.