These tests were developed by William Martin. The test is based on the principle of the division and fragmentation of the human nature and behavior in which each person acts into four main sections. These include Dominance, Influence, Stability, and Compliance. William to prove the validity of his theory of ideas, which turned into a global test later.

The DIS test analyzes many important aspects of daily life where the test can make you know:
• Personal features that make your identity and personality unique.
• Your personal abilities.
• Vulnerabilities within your personality that need to be addressed.
• Professional jobs that fit your character and that can be successful by a large percentage.
• Character patterns that correspond to your personality and style.
• Character patterns that are motivating, complementary, and optimized for your performance.
• Character patterns that are negatively impacted at your work level.
• Types of jobs that do not fit your personality.
• The best personal styles that can be associated with them and that compatibility occurs.