RIASEC codes are a way of classifying people according to their interests so that they can be matched with appropriate careers. The system was developed by Dr. John L. Holland, an academic psychologist. Dr. Holland’s theory proposes that there are six broad areas into which all careers can be classified. These same six areas can be used to describe people, their personalities and interests. For instance, Building careers are those that involve working with tools or machinery (e.g. carpenter, mechanic, or airline pilot). People with Building interests are typically practical types who like working with their hands and creating a tangible product.

The Enneagram is a system of personality typing that describes patterns in how people interpret the world and manage their emotions. The Enneagram describes nine personality types and maps each of these types on a nine-pointed diagram which helps to illustrate how the types relate to one another.

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The 16 personality types were created by Isabel Myers and Katharine Briggs, developers of the MBTI® assessment. Myers and Briggs created their personality typology to help people discover their own strengths and gain a better understanding of how people are different.

When you discover your own personality type, you'll understand more clearly why you do the things you do. You will gain confidence in your strengths and be better able to make decisions that suit your true nature.

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Find a job you'll love by matching your personality and interests to real-world careers. This free 15-minute career test measures key personality factors to show you the exact careers that suit your strengths. Based on the powerful Holland Code and Big Five systems, for accurate results to get you started on the right career path today.

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The DISC system was created by psychologist William Moulton Marston as a simple but powerful way to describe people's emotions and behavior. In his 1928 book, Emotions of Normal People, Marston described four basic personality types: Dominance, Inducement, Submission, and Compliance. Each of these types had its own way of managing emotions and behavior, especially interpersonal behavior.

This free DISC assessment will help you discover your personality type at work. Discover the four DISC personality types and improve communication, productivity, and conflict management in the workplace.

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The Big Five (also called Five Factor) model of personality is the most widely accepted personality theory in the scientific community. Although it is not as well understood among laypeople as systems like Myers-Briggs personality typing, it is generally believed to be the most scientifically sound way of conceptualizing the differences between people.

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