Discrete data provides a good understanding of the relationships between variables. It is also easier to analyze discrete data because it does not have as much variation.

In a split-sample contingent valuation study of willingness to pay (WTP) for food safety improvements, the dichotomous choice (DC) elicitation method consistently generated much larger estimates of ...

Robert F. Tate, Correlation Between a Discrete and a Continuous Variable. Point-Biserial Correlation, The Annals of Mathematical Statistics, Vol. 25, No. 3 (Sep ...