Psychology

Psychology, 8th Edition, by Peter O. Gray and David F. Bjorklund, is an introductory textbook published by Worth Publishers. The volume introduces psychological science through an evolutionary framework that emphasizes critical thinking.

Coverage spans foundational research methods, the biological bases of behavior, sensory and perceptual systems, and cognitive processes such as learning, memory, and reasoning. The authors also examine physical and social development, personality, and psychological disorders alongside therapeutic treatments.

Revised for this 2018 edition with the addition of co-author David F. Bjorklund, the text offers learning support through digital options such as Achieve Read & Practice, which combines an e-book with LearningCurve adaptive quizzing.