2. Qualitative methods
Qualitative methods essentially rely on the opinion and judgment of people familiar with the context of the variable to be forecast, or on a comparison with similar contexts.
2.1 Surveys
Polling is, by definition, a technique for exploring the properties of a sample of a population in order to deduce a variable that concerns the population.
Opinion polling is a method widely used by companies, the media and political parties. It consists of carrying out a questionnaire with a representative sample of individuals in order to propose an estimate of the distribution of opinion across the population as a whole, and thus deduce a forecast of a future achievement. Carrying out an opinion poll remains...
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Qualitative methods
Quantitative methods
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