The purpose of this descriptive, correlational study was to investigate the relationship between critical thinking, personality style, and performance on the Objective Structured Clinical Examination of senior medical students at Meharry Medical College. Demographic information was gathered from the Admissions and Records Department at Meharry Medical College. The results of Myers Briggs Personality Evaluation were utilized to identify student personality styles. The results of the Watson-Glaser Critical Thinking Assessment were used to assess critical thinking. Student clinical performance was evaluated by the Objective Structured Clinical Examination. Data analysis was performed using StatView software package. Measures of central tendenc...