3.1 Introduction
In order to make good marketing decisions, marketing managers require high quality information about the market. It is not sufficient to rely on hearsay or hunches. Poor information never led to a successful marketing decision except by sheer chance. There are numerous methods of marketing research ranging from educated guesswork to hard facts. You need to be aware of the assumptions and limitations in order to know when to use a particular one and how to interpret and apply the information generated.