lack of fit

the degree to which the values predicted by a model—typically, one developed in regression analysis, structural equation modeling, or confirmatory factor analysis—diverge from the corresponding empirical values. A large, significant value from a goodness-of-fit test indicates a poorly fitting model.

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Psychology term of the day

May 8th 2024

peptide

n. a short chain of amino acids linked by peptide bonds. Peptides are usually identified by the number of amino acids in the chain. For example, dipeptides have two amino acids, tripeptides three, tetrapeptides four, and so on. See also polypeptide; protein.