Using conceptual depth criteria: addressing the challenge of reaching saturation in qualitative research

Saturation remains a problematic concept within the field of qualitative research, particularly with regard to issues of definition and process. This article sets out some of the common problems with saturation and, with reference to one research study, assesses the value of adopting a range of ‘con...

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Bibliographic Details
Published in:Qualitative research : QR 2017-10, Vol.17 (5), p.554-570
Main Author: Nelson, James
Format: Article
Language:English
Subjects:
Methodological problems
Qualitative research
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Summary:Saturation remains a problematic concept within the field of qualitative research, particularly with regard to issues of definition and process. This article sets out some of the common problems with saturation and, with reference to one research study, assesses the value of adopting a range of ‘conceptual depth criteria’ to address problems of definition and process when seeking to establish saturation within a grounded theory approach. It is suggested that the criteria can act as a test to measure the progress of the theoretical sampling and thus ascertain the readiness of the research for the final analytical stages and theory building. Moreover, the application of ‘conceptual depth criteria’ provides the researcher with an evaluative framework and a tool for producing a structured evidence base to substantiate choices made during the theoretical sampling process.
ISSN:1468-7941
1741-3109
DOI:10.1177/1468794116679873