Which theorist used a case study approach to develop a theory of personality?

Question

Quizplus · Accepted Answer

Allport used a case study approach and conducted in-depth analysis of individual cases to develop his theory of personality. He believed that individual differences are unique and cannot be captured by standard personality trait measures. Allport emphasized the importance of studying each individual as a unique case to understand their personality.

Which Theorist Used a Case Study Approach to Develop a Theory