ecosystem

n. a self-contained unit comprising a community of individuals of different species and the environment they inhabit. There is an interdependent balance of predators, prey, food resources, and substrates such that a change in any one component is often followed by commensurate changes in the other components.

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Psychology term of the day

February 16th 2025

multiple comparison test

any of various statistical procedures used to follow up on a significant result from an analysis of variance by determining which groups in particular differ in their mean values. Examples include Duncan’s multiple range test, the Fisher least significant difference test, the REGWQ test, the Scheffé test, and Tukey’s honestly significant difference test. See also post hoc comparison.