To be sure, sometimes you need more nuances than a 4-point scale: perhaps for strategic research or if you`re trying to analyze cause-and-effect effects. But also often, your chief or executive committee, or the press journalist who is interested in your story, wants to report “a number” or a simple dichotomy (how much, for example, they agree or disagree). So, four-point scales are ideal. This question, which goes both ways, is linked to intermediate answer options. These questions are used to measure customer satisfaction. A Likert scale is a very quick and easy realization of this type of survey that can be sent via all modes of communication. They offer a universal method of data collection, which means they are easy to understand.