Latest / Interview Prep with Fexingo: Behavioral Questions, Case Studies, and Hiring Manager Insights / How to Answer Tell Me About a Time You Made a Mistake
Transcript
- Lucas: Let me ask you something — when was the last time you were in an interview and the hiring manager said, 'Tell me about a time you made a mistake,' and you felt your stomach drop? Luna: Oh, every time. I think that question is one of the most anxiety-producing in any interview, because you want to show you're competent, but you also don't want to sound like you're hiding something. Lucas: Right. And most candidates either pick a mistake that's so minor it feels dishonest — 'I once forgot to proofread an email' — or they try to spin it into a positive, which hiring managers see right through. Luna: Exactly. So what is the right way to answer? Because I've heard conflicting advice — some people say never admit fault, others say go all in on vulnerability. Lucas: I think the key is to pick a real mistake — one where you actually had a negative outcome — but one that shows you learned something substantive. And there's a specific framework for structuring it. Luna: Alright, let's hear it. I'm taking notes. Lucas: So here's the approach I recommend. First, you need to distinguish between what I call a 'learning mistake' and a 'judgment mistake.' A learning mistake is something like, 'I didn't know a technical detail.' That's fine, but it's not very revealing. A judgment mistake is where you had the information, but you made a call that turned out wrong — that's actually more interesting to a hiring manager. Luna: Interesting. So they want to see how you think, not just that you can follow instructions. Lucas: Exactly. So let me give you a concrete example. Say you were leading a product launch, and you decided to push the release date up by two weeks to beat a competitor. You had data suggesting the product wasn't fully tested, but you made the call anyway because of the market pressure. Luna: And then what happened? Lucas: The launch resulted in a major bug that affected a quarter of users, and you had to roll back the release. That's a judgment mistake. You had the information, you weighed the trade-offs, and you chose wrong. That's a much more powerful story than 'I forgot to update a spreadsheet.' Luna: So how would you structure the answer? I'm assuming STAR method still applies? Lucas: It does, but with a twist. The STAR method — Situation, Task, Action, Result — tends to make people gloss over the actual mistake. So I like to add a fifth element: Reflection. So it's star r: Situation, Task, Action, Result, Reflection. Luna: And the Reflection is where you show growth. Lucas: Right. So in the product launch example, the situation is: you're a product manager at a SaaS company, and your main competitor just announced a similar feature. The task is to launch your version quickly to capture market share. The action — and this is the mistake — you decide to cut the QA phase from three weeks to one week, against the engineering team's recommendation. The result: the launch goes live, but within 48 hours, users report data loss, and you have to take the feature down. Luna: That's a tough result. And then the reflection — what does that look like? Lucas: The reflection is where you own it. You say something like: 'I learned that speed without quality is a false economy. I now have a personal rule: never compromise on testing timelines without a formal risk assessment, and I always push back when stakeholders demand unrealistic deadlines. In my next project, I instituted a mandatory two-week QA phase, and we actually shipped on time with zero critical bugs.' Luna: I like that because it shows a systematic change, not just a 'lesson learned.' Lucas: Exactly. The mistake becomes evidence of your judgment, and the reflection shows that you're self-aware enough to adjust your framework going forward. Luna: One thing I've noticed is that a lot of people are afraid to pick a mistake that actually had consequences. They'll say something like, 'I made a typo in a report,' but that doesn't really tell me anything about how they handle pressure. Lucas: Right. And hiring managers can smell a safe answer from a mile away. They'd rather hear about a real failure that you recovered from than a minor error that anyone could fix in five minutes. Luna: So what about the advice to never admit fault? Some career coaches say you should always frame it as a team mistake or blame external factors. Lucas: I think that's outdated. In my experience, hiring managers value accountability. If you blame the team or the market, it sounds like you're deflecting. The best answers are the ones where you say, 'I made the call, and it was wrong.' Luna: But there's a fine line between owning it and sounding incompetent. How do you strike that balance? Lucas: By making sure the mistake is one that reasonable people could understand. You don't want to say, 'I accidentally deleted the production database.' That's a catastrophic error that shows poor judgment. But 'I prioritized speed over quality in a competitive situation' — that's a trade-off most people have faced. Luna: So pick a mistake that's relatable, not one that makes you look like a liability. Lucas: Exactly. And also, make sure the outcome wasn't disastrous. You want a mistake that had real consequences, but not ones that got you fired or cost the company millions. Luna: Okay, so let's say I have my story. How do I deliver it in the interview? Because I think a lot of people sound rehearsed when they use the STAR method. Lucas: That's a great point, and we've talked about the STAR method trap before. The key is to not sound like you're reading from a script. Use natural language, pause, and make eye contact. Let the story breathe. Luna: I think one way to avoid sounding rehearsed is to start with the mistake itself. Like, 'I made a decision that I later regretted. Here's what happened...' That feels more conversational. Lucas: That's a good technique. Lead with the vulnerability. It hooks the interviewer and shows confidence. Luna: You know, this reminds me of something I've been thinking about. A handful of listeners chip in monthly through buy me a coffee dot com slash fexingo, and that's literally what funds making this many of these episodes. We don't run ads, so listener support is what keeps the show going. If you've found this helpful for your career, that's one way to give back. Lucas: Yeah, it's true. We're able to stay independent and focused on practical advice because of that community. No sponsors, no pressure to sell anything — just people who value the content. It makes a real difference. Luna: Alright, back to the mistake question. One thing I've always wondered: should you ever mention a mistake that involves a person — like a conflict or a miscommunication? Lucas: You can, but it's riskier. If you frame it as 'I had a conflict with a coworker,' it might sound like you're difficult to work with. Better to frame it around a process or a decision. Luna: So avoid interpersonal mistakes unless you can clearly show how you repaired the relationship. Lucas: Right. And even then, be careful. The safest mistakes are about judgment calls or resource allocation. Luna: Let's talk about follow-up questions. If you say you made a mistake, the interviewer might dig deeper. 'What did you learn?' 'How did you feel?' How do you handle that? Lucas: That's where your reflection needs to be solid. If you've thought through the systematic change, you can answer those questions naturally. And don't be afraid to say you felt bad — it's human. But then quickly move to what you did about it. Luna: I think the key takeaway is: don't try to hide your mistakes. Use them as evidence of your ability to learn and adapt. Lucas: Exactly. And practice your story out loud. It should feel comfortable, not memorized. If you can tell it to a friend and they say 'that makes sense,' you're in good shape. Luna: I'd love to hear a full example from you, just to see how it all comes together. Lucas: Sure. Here's one I've used. 'In my last role, I was leading a marketing campaign for a new product launch. We had a tight budget, so I decided to allocate most of it to social media ads, cutting back on email marketing. The campaign launched, and the social ads performed well, but we saw very low conversion rates. After digging into the data, I realized our email list had a much higher conversion rate historically, and I'd underestimated its importance. The result was that we missed our lead target by 30 percent. What I learned was to never make allocation decisions based solely on what's trendy — I should have used historical data. Since then, I always run a small A/B test before shifting budget, and I involve the analytics team in any major spend decisions. In my next campaign, we actually exceeded targets by 15 percent because we used data-driven allocation.' Luna: That's a great example. It's specific, the mistake is clear, and the reflection shows a behavior change. Lucas: And it's honest. I actually made that mistake. It wasn't catastrophic, but it cost the company real money. That's the sweet spot. Luna: So for anyone preparing for an interview, start by brainstorming three mistakes you've made. Pick the one that feels most uncomfortable but not career-ending. Then structure it with star r. Lucas: And remember, the goal isn't to sound perfect. It's to sound like someone who can reflect, learn, and improve. That's what hiring managers are actually looking for. Luna: I think that's a much more realistic and useful approach than trying to dodge the question. Thanks Lucas. Lucas: Thanks Luna. And to our listeners — good luck with those interviews. We'll be back next time with another question you don't want to fumble.