lemma

1. in logic, a subsidiary proposition used as a part of the proof of a subsequent proposition. The proof of the lemma may or may not be included in the argument.

2. in linguistics, a word considered to be the word in its basic dictionary form together with all of its inflected forms. For example, the lemma be consists of be plus am, are, is, was, were, being, and been.

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Psychology term of the day

February 24th 2025

simple structure

in exploratory factor analysis, a set of criteria for determining the adequacy of a factor rotation solution. These criteria require that each factor show a pattern of high factor loadings on certain variables and near-zero loadings on others and that each variable load on only one factor. This minimizes the complexity of the factor solution, allows each variable to be most strongly identified with a specific factor, and increases interpretability.