S.TRUEMAN PhD THESIS 2016

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a holistic view of the case study to determine what affects remote nurses delivering mental healthcare, and how (Patton, 2002). Irrespective of data source and level of analysis, the case remained a single ‘unit of analysis’; that is, a ‘case’ study of remote nurses delivering mental healthcare as a particular social phenomenon (Grbich, 1999). 4.4.6 Research design components Yin (2003, 2009) identifies five components of a research design for case studies (see Table 4.4). Table 4.4 Five components of a research design (Yin, 2003, p.21) 1. A study's questions;

2. Its propositions, if any; 3. Its unit(s) of analysis; 4. The logic linking the data to the propositions; and 5. The criteria for interpreting the findings. The study`s questions (the “how” and/or “why” questions) are outlined and

discussed in chapter one (p.4) and chapter four (p.125). The propositions are outlined and discussed in chapter three as themes which arose from the literature search. The unit of analysis is identified in chapter four when discussing the boundaries of the case and the case study design. The logic linking the data to the propositions and the criteria for interpreting the findings are both means to establish credible and comprehensive empirical research (Yin, 2009). The logic used by the researcher is outlined in chapters six (situational and relational analysis) and chapter eight (actor-network theory). The criteria