Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

n. types of data which can be counted and divided into groups. Thus, they consist of counts in contrast to that which relates to measurements. Data of this kind include those which can be grouped (or categorized) by age, gender, race, or any other class. Also called nominal data.

CATEGORICAL DATA: "An affiliation to a religious group or political party can be considered as categorical data."

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