Data Collection is an important aspect of any type of research study. Inaccurate data collection can impact the results of a study and ultimately lead to invalid results. Data collection methods for impact evaluation vary along a continuum. At the one end of this continuum are quantitative methods and at the other end of the continuum are qualitative methods for data collection. Bakhtadze (2012:82) ‘When you have decided on a topic, refined it and specified objectives, you start considering the ways of collecting the evidence you require.
The initial question that guides you is: “What do I need to know to answer my research problem? Why do I need it?” After you have answered the question you start choosing the best ways….