Beginners Guide to Understanding the Cognitive Functions

Clinically Reviewed by Steven Melendy, PsyD. on December 06, 2021

The Myers and Briggs personality system is more complex than it appears at first glance. Beyond the basic four-letter structure, the overall framework of the MBTI® assessment includes eight cognitive functions, which reveal how your mind works and how you relate to the world at large. They guide your interactions with others and your environment. They also explain how your belief systems emerge and how they influence your thinking and behavior.

What is the Most Common Personality Type?

Clinically Reviewed by Steven Melendy, PsyD. on December 01, 2021

Do you ever meet someone and feel like you already know them? While there are 16 possible personality types in the Myers and Briggs system, some are more common than others. 

The most common personality types appear time and again in the general population, so you can start to notice similarities between the way people think, socialize and structure their lives.

Here’s everything you need to know about the most common personality types and their shared traits.

Uncovering Your Common Childhood Wounds by Enneagram Type

Clinically Reviewed by Steven Melendy, PsyD. on November 29, 2021

This blog post is part of our Fundamentals of the Enneagram series, which takes a deeper dive into all the Enneagram elements - wings, arrows, subtypes, centers of intelligence, growth pathways and more. For an overview of the series, start with our introductory post, then check out our story How Does Personality Develop in Childhood?

What is Introverted Intuition?

Clinically Reviewed by Steven Melendy, PsyD. on November 25, 2021

It doesn’t matter if you’ve just taken the TypeFinder Personality Test or you’ve known about the 16-type system for some time—there’s always something new to learn. One of the least understood details of the 16-type system is type dynamics. Each personality type is made up of four type dynamics, and one of these is the primary cognitive function that determines how you view the world and interact with it. For example, for INFJs and INTJs, their primary function is something called Introverted Intuition. 

INFP vs INFJ: How to Tell These Personality Types Apart

Clinically Reviewed by Steven Melendy, PsyD. on November 16, 2021

Some personality types are hard to tell apart due to their similar preferences. One of the most common mix-ups happens with the INFP and the INFJ, and it isn’t unusual to find yourself unsure of which type you are since the likes and dislikes of these types overlap in so many ways. However, you don’t want to let these similarities fool you because they’re quite different once you break down each type’s traits. 

What is a Social Introvert—and Could You Be One?

Clinically Reviewed by Steven Melendy, PsyD. on November 15, 2021

Under the right circumstances, an Introvert can enjoy socializing just as much as an Extravert. An Introvert who enjoys it immensely can be classified as a social Introvert, in recognition of their need for regular and stimulating interactions with other people.

The social Introvert is still not an Extravert. But their need for social contact is undeniable, and that motivates many of their actions.

What is Type A Personality? 7 Signs that you May Be One

Clinically Reviewed by Steven Melendy, PsyD. on November 09, 2021

Odds are you’ve heard someone mention they’re a Type A personality before. Maybe you’ve even labeled yourself as Type A without understanding its whole meaning. The Type A and Type B personality theory is nothing new. The theory, first developed by cardiologists Meyer Friedman and Ray H. Rosenman, has been around since the 1970s. These doctors based the Type A and B Personality Theory upon the idea that people can be categorized into two groups based on their behavioral responses to stress. The theory also includes two other Types, which are less publicized, Type C and D.  

What is an Extravert? 10 Signs You May Be One

Clinically Reviewed by Steven Melendy, PsyD. on November 03, 2021

Do you have a feeling you might be an Extravert but you’re not sure what exactly that means? Let’s take a look at what an Extravert is and how to tell if you fit the profile.

What is an Extravert?

Extraverts are known for being extra sociable and are often talkative. They tend to say what they think and are outspoken or open about their thoughts and feelings. They usually thrive off of spending time with other people and get a buzz from big groups and gatherings. 

Corporate Criminal Test: Find Out How Your Personality Traits Align With Famous Corporate Con Artists, from Elizabeth Holmes to the Fyre Fest Organizers

Clinically Reviewed by Steven Melendy, PsyD. on October 28, 2021

Note: The corporate crimes and True Crime stories highlighted here can involve dark and mature themes. If you’re sensitive to reading about these types of crimes, skip this read and the test. 


Myers-Briggs® and MBTI® are registered trademarks of the MBTI Trust, Inc., which has no affiliation with this site. Truity offers a free personality test based on Myers and Briggs' types, but does not offer the official MBTI® assessment. For more information on the Myers Briggs Type Indicator® assessment, please go here.

The Five Love Languages® is a registered trademark of The Moody Bible Institute of Chicago, which has no affiliation with this site. You can find more information about the five love languages here.

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