5.1 Introduction5.2 Buying a ‘made-to-measure’ research survey is just like buying a ‘made-to-measure’ suit5.3 The ‘made-to-measure’ research process5.4 Stage 1: Defining the research required5.4.1 Stage 1: Question 1, ‘What is the problem?’5.4.2 Stage 1: Question 2, ‘What data are needed to find a solution?’5.5 Summary