group-comparison design

a type of research approach that investigates potential differences across sets of individuals who are often randomly assigned to a control condition or to one or more specific experimental conditions. Data from a group-comparison design are often analyzed with statistical methods such as a t test or analysis of variance. Also called group-difference design.

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Psychology term of the day

May 8th 2024

paraworld

n. a hypothetical world of ideal conditions that serves as a basis for formulating a model of some system or process believed to be true in the actual world. Such model building can be an important strategy in science.