The integration of qualitative and quantitative methods. methodological models and their significance for practising social research

Author(s): Erzberger, C.

Journal/Book: Kolner Z Soziol Sozialpsychol. 1999; 51: Postfach 5829, W-6200 Wiesbaden, Germany. Westdeutscher Verlag Gmbh. 509+.

Abstract: Despite the enormous distance between the different camps in the methodological debate, social researchers often use qualitative and quantitative methods together in one research design. In the paper several approaches to combining methods (the two-phase-design and the concept of triangulation) are confronted with examples from sociological life course research. It is demonstrated that social research is much more adequately reflected by weak versions of method combination: under certain circumstances qualitative and quantitative results can be used for mutual validation (phase-model). But, depending on the research domain and the theoretical approaches used, one will often find that the qualitative and quantitative investigations carried our within one study can lead to complementary or even divergent results (triangulation-metaphor). The central argument of the paper is that methodological rules and considerations are not sufficient to determine the adequate relation between qualitative and quantitative methods in one research design. Furthermore, theoretical considerations about the domain under investigation are needed to decide whether qualitative and quantitative research results can mutually validate each other or can he used for the description or explanation of different aspects of the investigated phenomenon.

Note: Article Kelle U, Hsch Vechta, Inst Interdisziplinare Gerontol, Driverstr 22, D-49377 Vechta, GERMANY

Keyword(s): qualitative vs. quantitative methods of research; two-phase-design; triangulation; mutual validation; HYPOTHESIS CONSTRUCTION; BRIDGE ASSUMPTIONS; INDIVIDUALIZATION; TRIANGULATION; VALIDITY; BEHAVIOR; DEBATE

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