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40Chapter 3 Research design and methodology 3.1 INTRODUCTION This chapter covers an overview of methodology used in the study. The discussion in the chapter is structured around the research design, population sampling, data collection and data analysis. Ethical considerations and measures to provide trustworthiness are also discussed. 3.2 DEFINITION OF METHODOLOGY According to Polit and Hungler (2004:233), methodologyrefers to ways of obtaining, organising and analysing data. Methodology decisions depend on the nature of the research question. Methodology in research can be considered to be the theory of correct scientific decisions (Karfman as cited in Mouton & Marais 1996:16). In this study methodology refers to how the research was done and its logical sequence. The main focus of this study was the exploration and description of the experiences of registered nurses involved in the termination of pregnancy, therefore the research approach was qualitative. Mouton (1996:35) describes methodology as the means or methods of doing something. According to Burns and Grove (2003:488), methodology includes the design, setting, sample, methodological limitations, and the data collection and analysis techniques in a study. Henning (2004:36) describes methodology as coherent group of methods that complement one another and that have the ability to fit to deliver data and findings that will reflect the research question and suit the researcher purpose. According to Holloway (2005:293), methodology means a framework of theories and principles on which methods and procedures are based.
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