About Us

The History of the Big Five

The Big Five Personality Test, also known as the Five-Factor Model, embarked on its journey in the 1940s and 1950s through the diligent work of several independent researchers. These pioneers were on a quest to categorize the endless ways in which personality traits could be described. It was a colossal task, akin to finding the most essential colors in an infinite spectrum.

By the 1960s and 1970s, two research teams led by Paul Costa and Robert McCrae, and Warren Norman, distilled these traits into five broad dimensions now famously known as Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism (OCEAN). This breakthrough provided a universal framework for understanding personality, transcending cultural and linguistic barriers.

Over the decades, the Big Five Personality Test has been refined through global research, becoming a trusted tool for personal growth, career planning, and enhancing interpersonal relationships. With thousands of research papers dedicated to exploring its facets and millions of people having taken the test, it stands today not just as a testament to the complexity of human nature, but as a beacon guiding individuals on their path to self-discovery and understanding.

BigFivePersonalityTest.com strives to be the internet’s premier destination for research and innovative thinking in personality development and career advancement. We pride ourselves on being at the forefront of what works professionally and personally for you and your family. The Big Five Personality Test is central to our mission, offering insights and guidance to help navigate both personal growth and professional trajectories.

About Heron Free, M.Ed.

Owner / Clinical Director

Heron Free M.Ed., is a worldwide expert in the psychology of personality and human transformation. He is the creator of bigfivepersonalitytest.com

A researcher, author, teacher and inspirational speaker, Heron obtained his master’s degree in education with a specialization in counselling psychology, a graduate diploma in Human Relations and Family Life Education, and a B.A. in Psychology.

For nearly three decades, Heron has passionately explored numerous facets of psychology, personality, mindfulness and, behavioural neuroscience, focusing on real world application of science and behavoural principles. He is highly skilled at separting the baffle from the BS, or ideas and theories that sound good but don’t actually work in reality. He is extremely detail-oriented in his work and what he recommends to others to help.

This dedication led him to work with a diverse array of clients, aiding them in personal and professional domains.

Heron has worked successfully with thousands of clients throughout his professional career. He previously worked as a psychologist and clinical therapist, now as a personality teacher and career consultant. Darren helps busy professionals, aspiring entrepreneurs, and anyone simply curious about their own personality to find success in their lives long-term.

Heron Free is also a software designer, specializing in AI and online personality test development.