Pre-Employment Personality Tests: The Definitive Guide for Employers and Candidates
15 Min Read
Key Takeaways (TL;DR)
What They Are: Pre-employment personality tests are psychometric tools used in hiring to assess a candidate's inherent traits, work styles, and motivations.
Common Types: The most common models include the Big Five (OCEAN), Myers-Briggs (MBTI), DiSC, and Hogan inventories.
The Debate: Personality tests can offer insights into culture fit, but they are poor predictors of actual job skills. They also carry risks of candidate faking, mood-based results, and potential bias.
The Solution: A modern hiring strategy should not rely on personality tests alone. The most effective approach combines behavioral interviews with skills-based assessments to create a complete, fair, and predictive candidate profile.
What Are Pre-Employment Personality Tests?
Using pre-employment personality tests has become a widespread practice for companies looking to understand a candidate beyond their resume. These assessments are a form of hiring assessment tool designed to reveal a candidate's underlying personality traits, preferred work styles, and interpersonal communication habits.
The main goal for employers is to gauge "fit." They want to predict:
Will this candidate align with our company culture?
How will they interact with the team and their manager?
Are they naturally inclined to be meticulous, empathetic, or assertive?
Unlike a skills test, which measures what a candidate can do, a personality test attempts to measure who they are. And that's where the debate begins.
The Great Debate: Personality vs. Skills in Hiring
There's an old saying in HR: "Hire for attitude, train for skill." This philosophy is why personality assessment hiring became so popular. But modern data suggests this might be backward.
Companies are discovering a painful truth: they hire for a charming personality but end up firing for poor performance.
The core problem is that personality is subjective, while skill is objective. A candidate can be an introvert and still be your top salesperson. An extrovert might be great at talking but terrible at closing deals.
At Navero, we believe in a skills-first approach. We've found that the single best predictor of a new hire's success is their ability to perform the core tasks of the job.
A truly effective hiring process, powered by modern hiring assessment tools, should build a complete picture. Personality can be a small part of that, but verifiable skills must be the foundation.

A graphic or chart comparing the predictive validity of skills tests vs. personality tests for job performance.
Common Types of Workplace Personality Tests
Not all tests are created equal. They are based on different psychological theories. Here are the most common workplace personality tests you'll encounter.
The Big Five (OCEAN) Model
Considered the most scientifically validated and reliable model, the "Big Five" (or OCEAN) assesses personality on five spectrums:
Openness (curious vs. cautious)
Conscientiousness (organized vs. easy-going)
Extraversion (energetic vs. solitary)
Agreeableness (compassionate vs. detached)
Neuroticism / Emotional Stability (confident vs. sensitive)
Most modern, reputable tests are based on this model.
Myers-Briggs Type Indicator (MBTI)
The MBTI is very popular but less supported by modern psychology. It categorizes people into one of 16 "types" based on four dichotomies:
Introversion (I) vs. Extraversion (E)
Sensing (S) vs. Intuition (N)
Thinking (T) vs. Feeling (F)
Judging (J) vs. Perceiving (P)
While interesting, critics point out that it's too rigid and not a reliable predictor of job performance.
DiSC Assessment
The DiSC model plots candidates based on four main traits:
Dominance
Influence
Steadiness
Conscientiousness
It's often used to improve team dynamics and communication rather than as a pre-hire screening tool.
Hogan Personality Inventory (HPI)
The HPI is well-regarded in business settings. It's designed to predict job performance by measuring day-to-day personality, also known as the "bright side". It helps employers understand a person's normal strengths and how they relate to others.
Caliper Profile
The Caliper Profile measures how an individual's personality traits correlate with their on-the-job performance. It assesses both positive traits and potential "derailers" or counterproductive behaviors.
For Employers: The Pros and Cons of Personality Assessment in Hiring
Deciding to use these tools requires a clear-eyed look at the benefits and the serious drawbacks.
Potential Benefits
Data for Interviews: Test results can provide objective data to guide your interview questions. You can explore potential areas of conflict or strength in a structured way.
Team Dynamics: Understanding a candidate's communication style can help you see how they might fit into an existing team.
Reduces "Gut Feel": These tools can add a layer of objective data to a process that is often (dangerously) reliant on "gut feeling."
Significant Risks and Limitations
Candidates Can Fake It: These are self-report tests. A savvy candidate can easily guess the "right" answers for the job they want (e.g., "I am very organized," "I love working with people"). This is known as social desirability bias.
Poor Predictor of Skill: A person's preference for organization is not the same as their skill in managing a complex project.
Risk of Bias: These tests can inadvertently filter out neurodivergent candidates or those who don't fit a narrow "ideal" profile, opening your company to legal risk under the EEOC (Equal Employment Opportunity Commission) and ADA (Americans with Disabilities Act).
Inconsistent Results: A candidate's results can be influenced by their mood, stress, or environment on the test day.
Oversimplification: They can oversimplify complex human beings into simple labels.
For Candidates: How to Approach a Pre-Employment Personality Test
If you're asked to take one, don't panic. These tests are not about "passing" or "failing."
Be Honest. Trying to guess what the employer wants is a losing game. If you fake your way into a job that doesn't fit your personality, you'll likely be unhappy in the role.
Be Consistent. Many tests ask the same question in multiple ways to check for consistency. Changing your answers to sound "better" is easily flagged.
Don't Overthink It. Go with your first, most natural instinct.
Be Yourself. The right employer will value you for the strengths you actually have.
Best Practices for Using Personality Tests (If You Must)
If you are committed to using pre-employment personality tests, it is critical to do so responsibly.
<u>Never</u> Use Them in Isolation. This is the most important rule. A personality test should be a single, small data point in a much larger picture that includes a resume screen, skills assessments, and structured interviews.
Use Validated, Job-Related Tests. Use tests that are scientifically validated (like the Big Five model) and legally defensible. You must be able to prove the test is relevant to the job.
Use Them as Discussion Starters. A test result should not be a "yes" or "no." It should be a "let's talk about this." Use it to formulate questions for the in-person interview.
Combine with Skills Tests. The best approach? Use a personality test for a small glimpse into culture fit, but use a skills test to see if they can actually do the job.
Beyond Personality: Why Skills-Based Assessments Are the Future of Fair Hiring
At Navero, we built our platform on a simple, proven idea: the best way to see if someone can do the job is to watch them do the job.
While workplace personality tests focus on subjective traits, skills-based assessments provide objective, predictive data.
See Real Performance: Want to hire a developer? Give them a coding challenge. Hiring a marketer? Ask them to analyze a dataset.
Eliminate Bias: Skills tests are fair and objective. The candidate's ability to perform is all that matters, not their background, name, or personality type.
Stop Cheating: Modern hiring assessment tools like Navero use AI-powered, advanced anti-cheating technology (like screen, webcam, and microphone monitoring) to ensure the work you see is the candidate's own.
Hire Faster & Smarter: By focusing on skills first, you screen candidates faster and more accurately. That's how Navero helps companies reduce time-to-hire by 75% and mis-hires by 90%.
Don't just hire a "type." Hire a top performer.
A short 1-minute video explaining how Navero's skills-based assessments work and how they are fairer and more predictive than personality tests.
Ready to build a hiring process that's faster, fairer, and built on skills? Learn more about Navero's AI-powered assessment platform.
Frequently Asked Questions (FAQs)
Are pre-employment personality tests accurate?
This depends on your definition of "accurate." Tests based on the Big Five model are generally reliable at measuring the traits they claim to measure. However, they are not very accurate at predicting actual job performance. Skills-based tests are far more accurate for that purpose.
Can you "fail" a personality test?
Technically, no. There are no right or wrong answers. However, an employer may have an "ideal profile" in mind, and a candidate's results may not match that profile. This is a major drawback and a key reason why these tests should not be used as a simple pass/fail filter.
How do I stop candidates from cheating on personality tests?
It's very difficult, as candidates can easily look up the "best" answers for a role. This is a fundamental weakness of self-report tests. The best way to prevent cheating is to use assessments that measure actual skills, not personality. Platforms like Navero use advanced proctoring and anti-cheating technology for skills tests to ensure results are accurate.
What is the best personality test for hiring?
Most psychologists agree that tests based on the "Big Five" (OCEAN) model are the most scientifically sound. However, the best assessment for hiring is a skills-based test that directly measures a candidate's ability to perform the job's core functions. It's more predictive, fairer, and more reliable.
About the Author
Nathan Trousdell is the Founder & CEO of Navero, an AI-powered hiring platform rethinking how companies find talent and how candidates grow their careers. He has led product, engineering, and AI/ML teams across global startups and scale-ups, co-founding Fraudio (a payments fraud detection company that raised $10M) and helping scale Payvision through to its $400M acquisition by ING.
Nathan writes on the future of work, hiring fairness, and how AI must improve - not replace- human decision-making in hiring. He combines nearly two decades of experience in finance, technology, and entrepreneurship with a passion for empowering both teams and talent, ensuring hiring is fairer, faster, and more human.
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