4 Personality Types: A, B, C, and D

There are four basic personality types: A, B, C, and D. Each has strengths and weaknesses influencing hiring and retention, as well as management strategy.

Four temperaments - Wikipedia

4 Personality Types: A, B, C, and D

4 Personality Types Test: What One Are You?

Games - Personality Types

Myers–Briggs Type Indicator - Wikipedia

There's more than Type A or B

What Is Your Personality Type? Type A, B, C or D? - Owlcation

Are You a Type A, B, C or D Personality?

Type A and Type B Personality (Free 3-Min Test) - Practical Psychology

What Type a, B, C, or D Personalities Mean

A, B, C, D Personality Types and What They All Mean

The 4 Personality Types and Dancing

Dark triad - Wikipedia