fixed parameter

a specific value assigned (as opposed to estimated) by a researcher when testing a statistical model. For example, in structural equation modeling, researchers may use a fixed parameter of 1.0 for one of the factor loadings or variances of each latent variable in a model. Compare free parameter.

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Psychology term of the day

November 28th 2024

complementary classification

in classification tasks, the grouping of items from conceptually different categories into a superordinate class based on an individual’s mental associations from past experience. For example, cow, tractor, and farmer may be grouped because they are all found on a farm. Also called functional classification; schematic classification; thematic classification. Compare conceptual classification; idiosyncratic classification; perceptual classification.