Most hiring authorities treat a personality assessment as a filter: run the candidate through it, scan for red flags, screen people out. That instinct quietly hands the outcome to the test. But the quality of a hire is principally driven by the leader, not the instrument, and the assessment's real value shows up after the results land, when a leader uses them to see the candidate, and themselves, more clearly. The lever was never the candidate's score. It was the leader's willingness to look in the mirror alongside it.

The way to do that is a bilateral assessment: both the candidate and the hiring manager complete the same assessment and review the results together. That single change turns the interview from a one-sided judgment into a mutual reading of how each person works, communicates, and decides under pressure.

Why a bilateral assessment beats a one-sided one

Judging fit from the candidate's assessment alone is like inspecting one side of a bridge for structural integrity. You have looked at real data and still missed half the load path.

Reading both sides together changes what the process produces:

  • The candidate commits with their eyes open. Instead of accepting a job blindly, they understand how their future boss actually operates, which makes the yes more durable.
  • It signals respect. When only the candidate is evaluated, the power sits on one side of the table. A candidate should know as much about their future boss as the boss knows about them.
  • It raises self-awareness on both sides. Each person leaves with a sharper read on their own strengths, their blind spots, and how the two of them will actually mesh.
  • It opens deeper conversations. Instead of surface-level question and answer, the results invite a real discussion about work styles, decision-making, stress responses, and communication habits.

The assessments I reach for most in a bilateral format are Wiley PXT, VOPS by Scale Architects, and Kolbe. Here is what the conversation looks like in practice.

Turning results into a high-value conversation

An assessment is the starting point, not the verdict. Once both sets of results are on the table, four moves consistently surface what a normal interview hides.

1. Dig into work styles and cognitive processing

A Wiley PXT prompt might be: "You scored highly in numerical reasoning, so you likely enjoy working with data and logic. Your future manager scored lower here and may prefer broad concepts over detailed analysis. How do you see that playing out between you?"

That question forces a real exchange about how decisions get made, how much detail belongs in a report, and exactly where friction is likely to show up.

2. Align on communication and collaboration

Another Wiley PXT prompt: "Your results suggest you are highly independent in decision-making, while your potential boss thrives on collaboration. Have you worked with a leader like that before, and how would you adjust?"

A one-sided assessment would stamp the candidate "too independent." A bilateral conversation reveals how both people can adapt to work better together.

3. Name the strengths and the likely conflicts

From Kolbe: "Your instinctive problem-solving style is Quick Start, so you like to experiment and iterate. Your future manager runs more Fact Finder and wants detailed analysis before acting. How would you handle a moment when they need more time to decide?"

Rather than guessing whether someone will fit, this puts the actual mechanics of how work gets done on the table and sets honest expectations.

4. Discuss leadership and growth preferences

From VOPS: "Your results suggest you create value by bringing structure and process. Your hiring manager thrives in flexibility and adaptability. Where could the two of you complement each other, and where will you each need to adjust?"

That framing keeps the conversation on strengths instead of weaknesses, and it moves the question from "Is this a good fit?" to "How do we make this work?"

The shift the conversation creates

Too many hiring decisions rest on gut feel or generic interview questions. A structured conversation built on both people's results changes the questions a leader asks:

  • Instead of "Do I like this candidate?" ask "How do we work best together?"
  • Instead of "Are they a good fit?" ask "What adjustments will help us both succeed?"
  • Instead of "Will they succeed here?" ask "How can I set them up to succeed?"

Assessments do not replace a good hiring decision. They deepen the conversation that produces one, which is how you get more confident hires, better team dynamics, and fewer costly misfires.

If you already run personality assessments but stop at the score, you are leaving the most useful insight untouched. The instrument is sitting on the table. Whether it becomes a mirror is up to you.