Updated on July 25, 2026 (originally published July 13, 2020).
The interview is often the most trusted step in hiring. It’s also one of the least reliable. Not because interviews don’t matter, but because they’re designed to reveal how well someone interviews, not how well they’ll perform once they’re in the role.
If your organization hasn’t revisited its interview process recently, there’s a good chance it could be more consistent, more objective, and more predictive than it currently is. The good news is that it doesn’t take an overhaul to get there. One of the most effective changes you can make is adding behavioral data to your process, and the Omnia Assessment is built exactly for that.
The Omnia Assessment is a proprietary, scientifically validated, EEOC-compliant behavioral tool that takes under 10 minutes to complete. When a candidate finishes the assessment, it generates an Omnia Behavioral Profile: a clear, easy-to-understand snapshot of that person’s natural work style, from how they think and communicate to how they engage with their work. That profile is what you’ll reference throughout the interview.
What Is Behavioral Interviewing?
Behavioral interviewing is an interview technique based on the premise that past behavior is the best predictor of future performance. Rather than asking hypothetical questions, behavioral interviews ask candidates to share specific examples from their work history, revealing how they have actually handled situations relevant to the role. When paired with a behavioral assessment, behavioral interviewing becomes a far more powerful tool for evaluating true candidate fit.
Why Interviews Alone Are Unreliable
Interviews feel like exactly the right way to make a people decision. You sit across from a candidate, ask questions, and try to gauge how they’ll fit on your team. But the process has a fundamental flaw: it measures how someone performs under social pressure, not how they’ll perform on the job.
This plays out in a few predictable ways.
Ineffective Questions
Many interviews still rely on questions like “What’s your greatest strength?” or “Where do you see yourself in five years?” These questions invite rehearsed answers that tell you little about how a candidate consistently works. Candidates today have more tools than ever, including AI, to prepare polished, scripted responses. A well-coached interview performance is not the same as genuine capability.
The Likability Trap
Consider a common scenario in sales hiring. A candidate walks in with magnetic energy, a gift for conversation, and the kind of warmth that makes everyone in the room feel like an old friend. The hiring team loves them. The decision feels obvious. Six months later, that same person is struggling to hit their quota. Not because they aren’t likeable but because likability and the drive to pursue and win sales are not the same behavioral trait.
The interview revealed how well the candidate connected with people. It didn’t reveal whether they had the behavioral wiring to chase down a reluctant prospect or push confidently toward a close.
This pattern shows up across roles and industries. A project manager candidate who speaks fluently about methodologies and timelines in an interview may still find the day-to-day reality of meticulous tracking and deadline enforcement draining once they’re in the seat. The most personable or articulate candidate is not always the highest-performing one, and interviews are not reliably designed to tell the difference.
Interviewer Fatigue and Bias
Even well-intentioned interviewers are susceptible to fatigue and unconscious bias. When you’re tired, you rush. And when unconscious bias creeps in, it’s easy to favor a candidate based on a hunch rather than evidence.
Inconsistent Questioning
When different interviewers ask different questions and evaluate against different (often unspoken) criteria, the process becomes inconsistent. The candidate who advances is often the one who connects best with the most influential person in the room. The result is a process that measures rapport more than readiness.
Omnia’s Talent Trends 2026 report found that only 47.7% of organizations consistently train managers on interviewing and making talent decisions. That means more than half of organizations are leaving hiring quality up to individual instinct, without structured, consistent guidance.
How Behavioral Insights Improve Your Interview Questions
The answer to unreliable interviews isn’t to abandon them. It’s to make them smarter. And that starts before the interview takes place.
The Omnia Assessment gives you an objective picture of each candidate’s behavioral tendencies before you ever sit down with them. You walk into the conversation already knowing where their behavioral strengths align with the role, where potential gaps exist, and what questions are worth exploring in more depth.
That shift changes the entire dynamic. Instead of spending the interview being charmed, you can use the time to dig into what genuinely matters for job success.
Generic questions produce generic answers. Questions grounded in the behavioral requirements of the role, and in the candidate’s individual assessment results, surface real evidence of how the candidate has operated in situations that matter.
For a sales role, that might sound like: “Tell me about a time you pursued a prospect who pushed back hard. How many times did you follow up before you got a yes or moved on?”
For a project manager role: “Describe a project where you had to manage competing priorities and tight deadlines simultaneously. What systems did you use to stay on top of all the moving parts?”
Rather than asking candidates to describe what they know about a role, these questions invite them to demonstrate whether they’ve actually lived it.
Behavioral Interviewing and Assessment Results: Better Together
Behavioral interviewing, the practice of asking candidates to share specific examples from their work history rather than hypothetical answers, becomes significantly more powerful when it’s grounded in assessment data.
When you’ve already reviewed a candidate’s Omnia Behavioral Profile before the conversation, you know exactly which behavioral tendencies to probe. If the role demands a high degree of tenacity and the profile suggests the candidate leans toward caution over assertiveness, you can ask directly: “Tell me about a time you had to push through significant resistance to close a deal or complete a project. What drove you to keep going?”
That’s the difference between a typical interview and a targeted one. The profile tells you what to investigate. Behavioral interviewing is how you investigate.
Using Behavioral Assessments to Validate Candidate Fit
A behavioral assessment doesn’t replace the interview. It makes the interview far more productive by giving you a consistent, objective baseline for every candidate.
Here’s how that works in practice:
- Define the role before you start interviewing. Before posting the job, identify the behavioral tendencies that drive success in the role. The most reliable way to do this is to benchmark your high performers: look at the people who have thrived in similar positions and identify the intrinsic qualities they share. That picture becomes your hiring target.
- Administer the assessment before the interview. Omnia’s recommended best practice is to give candidates the behavioral assessment before the first interview. When you review a person’s Omnia Behavioral Profile ahead of your conversation, you arrive with insight rather than assumptions. You already know how the candidate is wired to approach assertiveness, sociability, pace, and structure (the four core behavioral dimensions the Omnia Assessment measures) and how that wiring compares to what the role demands. That context transforms the interview before it even begins.
- Standardize your process across every interviewer. Shared questions, shared evaluation criteria, and a shared understanding of what the role requires removes variability and keeps the focus where it belongs: on fit, not first impressions.
Making More Confident Hiring Decisions
When behavioral data and a well-structured interview work together, the entire hiring process becomes more focused, more consistent, and more defensible.
You stop optimizing for interview performance and start evaluating for job performance. You reduce the risk of the likability trap. You give every candidate a fair, consistent experience. And you walk into each hiring decision with the data from the Omnia Behavioral Profile already in hand, not just a good feeling.
Most organizations don’t need a complete restructure to see meaningful improvement in their interviewing and hiring. A few deliberate changes, including adding a behavioral assessment to your process and building your interviews around behavioral data, can significantly close the gap between a candidate who interviews well and one who truly succeeds in the role.
FAQ
Frequently Asked Questions
What is the difference between behavioral interviewing and a behavioral assessment?
Behavioral interviewing is a structured technique for asking candidates about real past experiences to reveal how they’ve operated in relevant situations. A behavioral assessment is a tool that measures a candidate’s behavioral tendencies before the interview takes place. The two work best together: the assessment provides objective data, and behavioral interview questions allow you to explore that data in conversation.
When in the interview process should candidates complete a behavioral assessment?
Before the first interview. This enables you to walk into the interview already knowing where their behavioral tendencies align (or don’t align) with the role, so the conversation becomes more focused and productive from the start.
Can a behavioral assessment replace the interview?
No, and it’s not designed to. A behavioral assessment gives you objective, consistent data about a candidate’s natural traits. The interview allows you to explore that data in context, ask targeted questions, and evaluate how the candidate communicates and thinks in real time. Together, they give you a much more complete picture than either can provide on its own.
How does behavioral data reduce bias in the interview process?
Unconscious bias often shapes how we perceive candidates during an interview, especially when a personable candidate creates a strong first impression. A behavioral assessment provides objective, consistent data for every candidate before the interview takes place, and the Omnia Assessment is based in validated science and free of age, race, gender, and cultural bias. When you enter the interview with behavioral data already in hand, your evaluation is grounded in how a candidate is wired to work, not how likeable they seemed in the room.
See How Behavioral Data Strengthens Your Interview Process
Find out firsthand what behavioral insight reveals about how candidates are naturally wired to think, work, and engage. Take a complimentary Omnia Assessment today and discover what that data can do for your interview process.
