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categorical variable

a variable that is defined by a set of two or more categories. Examples include a person’s sex, marital status, or rankings of particular stimuli (such as the relative loudness of different sounds). Specialized methods of categorical data analysis are available for assessing information obtained from the measurement of categorical variables.

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Psychology term of the day

January 21st 2025

vivisection

vivisection

n. dissection performed on a living animal for research or experimental purposes. Many scientists and researchers oppose the practice, questioning its scientific validity and necessity, and numerous others criticize it as inhumane and unethical. See also animal care and use; animal rights.