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Hiring Strategy The Interview

Why 89% of New Hires Fail Before 18 Months

David Lee Jensen
Empty office desk with packed personal items after a failed hire

Here's a number that should bother you.

Leadership IQ ran a three-year study tracking 20,000 new hires. Within 18 months, 46% of them had failed. Fired, pushed out, or coasting toward the exit. Almost half.

Now here's the part that changes how you should hire. Of those failures, only 11% washed out because they couldn't do the work. The other 89% failed for reasons that have nothing to do with skill. Coachability. Temperament. Honesty. How they treat people when no one's grading them. Character.

Read that again. Nearly nine out of ten hiring mistakes are character mistakes. And character is the one thing most owners barely test for.

Why smart owners keep hiring the wrong people

I've trained SMB owners for 25 years, and the ones who make bad hires are sharp people. They run good businesses. Careless has nothing to do with it. So why do they keep getting burned?

Because skill is loud and character is quiet.

Skill shows up on a resume. It shows up in a portfolio, a certification, a confident answer to "walk me through how you'd handle this." You can see skill in 20 minutes. So that's what most interviews measure, because it's the easy thing to measure.

Character hides. A candidate can give you a polished 45-minute performance, hit every rehearsed beat, and walk out before you ever see who they actually are. They've practiced. They know the answers you want. The interview rewards the person who's best at interviewing, and that's not always the person who's best at the job.

So when an owner tells me, "I just can't read people," I push back. You can read people fine. You're watching the wrong moments. You're watching the performance instead of watching the person, and the performance is built to fool you.

Picture the hire who interviews flawlessly. Warm, articulate, all the right instincts. Then they start. Two weeks in, they're talking down to your front-desk staff. A month in, they're taking credit for work that wasn't theirs and getting defensive the second you offer feedback. Nothing they said in that room was a lie. You just never tested for the thing that actually mattered.

That's the cost of a character miss, and it's not cheap. When you add up the lost productivity, the rehire, the morale hit to your team, a single bad hire can cost you far more than the salary you were trying to protect. The whole point of the interview is to catch this before it lands on your payroll.

So let's talk about how you actually see character in a room that's designed to hide it.

Move 1: Watch them before the interview starts

The interview doesn't begin when you sit down. It begins the moment they walk through your door.

How did they treat your receptionist? Were they warm and present, or did they breeze past like the help doesn't count? Were they on their phone in the waiting area, or did they look up, make eye contact, ask a normal human question?

This matters more than anything they'll say once the questions start, because they're not performing yet. They don't think the test has begun. They think the test starts when you walk in. So the version of them in your lobby is closer to the real one than the version across your desk.

Make this part of your process on purpose. Ask whoever greets them what the candidate was like before you showed up. Tell your team to pay attention. Some of the most useful data in the whole hiring process comes from the person who handed them a glass of water, not the person who asked the questions.

A candidate who's gracious to people who can't hire them is showing you their actual operating system. A candidate who only turns it on for the decision-maker is showing you that too.

Move 2: Ask questions they can't rehearse

Most interview questions have a "right" answer, and good candidates have already memorized it. Ask "what's your greatest weakness" and you'll get the rehearsed humblebrag. You learn nothing.

You have to ask things they didn't see coming. Sideways questions that don't have an obvious script.

Try this one: "If your last job were a sport, what position would you have played, and why?" There's no canned answer. They have to think, and in the thinking, they reveal how they see their role on a team. Are they the one who takes the shot, sets up the play, holds the line, or stays on the bench?

Or this: "What would your last coworkers say was the hardest part of working with you?" Watch what happens. Some people answer with honest self-awareness. Some dodge with a fake weakness. Some go blank, because they've genuinely never asked themselves the question. All three answers tell you something real.

The goal is to watch them think when they don't have a memorized answer ready. A polished response was never the point. That's where character leaks out. I built a whole set of questions designed to surface how someone actually behaves under pressure rather than how they present, because the standard list of softballs will never get you there.

Move 3: Bring them back a second time

The first interview is the performance. The second is where the mask slips.

Almost nobody can hold a polished act across two separate conversations. By the second meeting, the rehearsed lines are spent. The guard drops. The real patterns start to show. The candidate who was all warmth in round one gets impatient in round two when you press on a vague answer. Or the opposite happens, and the person who seemed nervous turns out to be steady and thoughtful once the first-impression pressure is off.

A second interview also lets you check for consistency. Ask a version of the same question you asked the first time and see if the story holds. People who are managing an image have to remember what they told you. People telling the truth just tell it again.

This is one of the most skipped steps in small-business hiring, and skipping it is a mistake. The second look is where most of the real signal lives, and it costs you nothing but an hour.

Move 4: Verify the story with people who watched it happen

Here's the move that closes the loop. Everything in moves 1 through 3 is your read on the candidate. Move 4 is someone else's, from people who actually worked with them.

Most owners treat reference checks like a formality. They call, confirm the dates of employment, ask "would you rehire," get a polite yes, and hang up. That call tells you nothing, because the candidate hand-picked those references and the reference is being careful.

Done right, references are where you confirm or kill everything you suspected in the room. You don't ask "was she a good employee." You ask behavioral questions that force a specific story. "Tell me about a time she got tough feedback. How did she take it?" "Walk me through how he handled a deadline that slipped." Then you go quiet and let them fill the silence. The pause is where the truth comes out.

If your gut flagged something in the interview, the reference call is where you test it against someone who watched this person operate for two years. I put together the exact reference questions that get past the formality and into real behavior, because a good reference check has saved more of my clients from bad hires than any other single step.

What to actually do with this

Reading this and nodding doesn't change your next hire. Changing your process does. Here's where to start.

Build the pre-interview check into your routine. Tell whoever greets candidates to watch and report back. Make it a standing part of your debrief.

Write down three questions a candidate can't rehearse and use the same three every time. Reusing them turns your gut into a pattern. After ten interviews, you'll know what a strong answer sounds like because you'll have a real basis for comparison.

Make the second interview non-negotiable for any role that matters. No exceptions because you're busy or you "have a good feeling." The good feeling is the thing you're supposed to be testing.

Run a real reference check on every finalist. Behavioral questions, then silence.

And before any of that, get clear on the specific character traits this role actually needs. Coachability matters more in some seats. Backbone matters more in others. If you don't know what you're screening for, you'll default to screening for likeability, and likeable is not the same as good.

If you want a fast way to catch the warning signs you keep talking yourself out of, run a candidate through our red-flags checklist before you make an offer. It's the gut-check most owners skip and then regret.

The thread

Every one of these four moves is part of something bigger.

Watching the lobby, asking the unrehearsable question, the second interview, the reference call. These four moves are points in a complete sequence that runs from "I need to hire someone" to "this person is thriving a year in." Each one feeds the next. The questions you ask in move 2 are the things you verify in move 4. The doubts that surface in move 3 are the doubts your references confirm or clear.

That sequence is what I teach as the 10-phase hiring system, and the whole reason it exists is the number we started with. 89% of failures are character failures, which means 89% of your hiring effort should go toward seeing character clearly. Most owners spend it the other way around, grading skill and hoping character sorts itself out. It doesn't.

I wrote The Naked Interview on this exact idea. Strip away the performance, the rehearsed answers, the suit and the script, and hire the person who's actually under there. Do that, and you stop being part of the 46%.

The skill, you can train. The character, you have to catch in the room. So catch it.

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