Raymond Cattell advanced the study of personality by:

A) developing case-study analysis.
B) rejecting early Greek theories of personality.
C) devising the Myers-Briggs inventory.
D) using factor analysis.

Factor Analysis

A statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved variables, called factors.

Myers-Briggs Inventory

A personality assessment tool that categorizes individuals into 16 personality types based on preferences in four dimensions.

Case-study Analysis

A research method involving the detailed examination of a single case or cases, often used in psychology, business, or social sciences.