A review is presented of issues relevant to the definition, measurement, and classification of stimuli, situations, and environments.

VERSAILLES, France (AP) — Nations approve overhaul of international system of measurements; new definitions for the kilogram and other key units.

Word definitions were found to occur in 3 categories rather than 2, as Piaget suggests. Comparison between relational concepts and word definitions showed that functional definitions coincided with ...

A bewildering array of new terms has accompanied the rise of artificial intelligence, a technology that aims to mimic human thinking. From generative AI to machine learning, neural nets and ...