Introduction Qual Quant (2011) 45:1145–1150 DOI 10.1007/s11135-009-9283-2 Peter Schmidt · Johannes Herrmann · Udo Kelle Published online: 26 March 2010 © Springer Science+Business Media B.V. 2010 In social science research, Jahoda et al.’s study on Marienthal (1971) and the “Authoritar- ian Personality” by Adorno (1950) pioneered the integration of qualitative and quantitative research. For a long time after these studies had been published, however, the development of qualitative and quantitative research and their application in research projects were largely kept separate. This included strong reservations of both traditions about the scientific value of the other. In the last 15 years this has gradually changed. More and more researchers have applied mixed methods to answer their research questions. In addition, Creswell (2009)and Tashakkori and Teddlie (1998, 2002); Teddlie and Tashakkori (2009) codified and sum- marized the knowledge about mixed methods in three textbooks and one handbook. Finally, The Journal of Mixed Methods, dedicated exclusively to mixed methods, was founded in The two main goals of mixed method approaches can be seen as, firstly, developing new hypotheses from qualitative studies which can be tested in the process of research by both consecutive qualitative and quantitative or mixed methods approaches. This corresponds more Quality & Quantity Springer Journals

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Springer Netherlands
Copyright © 2010 by Springer Science+Business Media B.V.
Social Sciences; Methodology of the Social Sciences; Social Sciences, general
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