zero-order correlation

a simple association between two variables that does not control for the possible influence of other variables. For example, consider the relationship between success selling computers and knowledge of how the Internet works. A zero-order correlation would examine the direct relationship between these two variables without taking into account other explanatory information, such as education level, sales experience, and so forth. Compare part correlation; partial correlation.

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Psychology term of the day

February 25th 2025

psychometric model

any theoretical and statistical framework describing how respondents generate their answers to items on a scale or instrument and explaining associated sources of error, which in turn provides a means to determine the reliability of test scores across different testing situations. There are three major approaches: classical test theory, generalizability theory, and item response theory.