Abstract
The current corpus-based study investigated the lexical profile of psychology textbooks using BNC/COCA list. To this end, 30 introductory and general psychology textbooks with around 14.8 million running words were analyzed. The findings indicated that 2048 word families provided 82.66% coverage of the corpus. The study identified 1294 high frequent and 754 mid-frequent word families with high value for psychology students, which makes it possible to have a better and well-tuned vocabulary learning goals.