In-depth analysis of the purchase decision process (decision tree) consumers on the German household appliance market using the example of the washing machine.

    Write master's thesis on the customer purchase decision process in the German washing machine market. For this I need a literature review on the topic of market research. Since I want to do a qualitative (interview) and quantitative (survey) with a gamification part the chapter must have the following subchapters at least. 1. Historical introduction to market research 2. Qualitative research (focus on interviews) a. Overview