AP Psychology Exam Prep

Answer: B - John Bowlby is the psychologist who pioneered attachment theory.
Key Takeaway: John Bowlby was the mind behind attachment theory. To develop the theory, he used knowledge from a number of fields (evolutionary biology, ethology, developmental psychology, and cognitive science). Bowlby’s work would put a light on the importance of forming healthy bonds with infants and children for them to become well-functioning adults.