cross-sectional analysis

the examination of data that have been collected at a single point in time. For example, a researcher might conduct a cross-sectional analysis after measuring the income of people in different professions at the end of a particular year. Compare time-series analysis.

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Psychology term of the day

November 18th 2024

predictive validity

evidence that a test score or other measurement correlates with a variable that can only be assessed at some point after the test has been administered or the measurement made. For example, the predictive validity of a test designed to predict the onset of a disease would be strong if high test scores were associated with individuals who later developed that disease. It is one of three types of criterion validity. Also called predictive criterion-related validity; prospective validity. See also concurrent validity; retrospective validity.