a type of generative grammar wherein a system of phrase-structure rules is utilized to depict a sentence with regard to the grammatical structures which produce its form and define it as grammatical.
Cite this page: N., Sam M.S., "PHRASE-STRUCTURE GRAMMAR (PSG)," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/phrase-structure-grammar-psg/ (accessed February 2, 2023).