conjunctive concept

a concept that is defined by a set of attributes, every member of which must be present for the concept to apply. For example, the concept brother requires the joint presence of the attributes (a) male and (b) sibling, neither of which may be omitted. Compare disjunctive concept.

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Psychology term of the day

May 10th 2024

norm of reaction

all possible phenotypic outcomes, or observable characteristics of an individual, that could theoretically result from a given genotype in relation to its environment. See gene–environment interaction.