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3 Common Interview Mistakes That Are Killing Your Chances (And You Don't Even Know You're Making Them)

  • May 4
  • 7 min read
Your story, your impact, your offer

Here's a scenario that plays out in my coaching sessions all the time. A candidate is sharp, confident, and clearly proud of her track record. She starts telling her story about a project that genuinely crushed it and then, almost immediately, something goes sideways.


"We launched the platform. We handled the vendor negotiation. We improved efficiency by 30%."


Pause. "Who's we?"


She sighs. Nobody had ever asked her that before.


That one tiny word, we, had been quietly erasing her from her own success story. And she had no idea.


Here's the truth most candidates don't hear until it's too late:

most people don't struggle in interviews because they lack experience. They struggle because they're not clearly communicating their experience and fit.


The substance is there, I promise you. But it gets buried in answers that are too broad, too long, too cautious, or too reactive to the discomfort of the format itself.


If you've ever walked out of an interview feeling like it didn't go the way it should have, keep reading. This one's for you.



Common Mistakes (And Why They're So Easy to Miss)


I do a lot of mock interview sessions with clients, and honestly? The same patterns come up again and again regardless of industry, level, or background.


Before we get into the fix, let's name what's actually going wrong:


  • Speaking in generalities instead of specifics

  • Overusing "we" instead of clearly stating individual actions

  • Not providing concrete examples to demonstrate leadership or problem solving

  • Over-explaining without structure

  • Rushing to the end because the format feels awkward

  • Sounding unsure about basics in your own background

  • Overstating skills without clear evidence

  • Trying to sound perfect instead of sounding clear

  • Getting visibly flustered by technology or the absence of real-time feedback


And here's what interviewers actually reward, because it really is simpler than most people think: clear thinking, steady communication, relevant examples, and answers that show judgment, ownership, and measurable results. That's it. That's the whole game.


Interview Mistake #1: Hiding Behind "We"


The single most common thing I hear in mock sessions? Candidates leaning way too heavily on "we" instead of clearly explaining what they did.


"We launched the platform. We handled the vendor negotiation. We improved efficiency by 30%."


I get it, it feels collaborative, it feels humble, it feels honest. But here's the problem: in an interview setting, the focus is on your individual contribution.


When everything is framed as "we handled this" or "we worked on that," it becomes really difficult for the interviewer to understand your specific role, your decision making, and your actual impact. They're left guessing, and guessing doesn't get you hired.


Studies in psychology show that people use "we" to avoid confrontation, soften statements, or foster connection. It functions as a defense mechanism as much as a social strategy. And look, that instinct makes total sense in most situations.


But using "I" in an interview requires a kind of vulnerability that feels uncomfortable, because when you say "I led this," you're putting your credibility on the line.


So your brain defaults to "we" as a shield.


The thing is, candidates who downplay their contributions, saying "helped with" instead of "directed," or "was involved in" instead of "built," undermine how interviewers perceive their actual capabilities.


Research on impostor syndrome backs this up too. Behaviors like maintaining a low profile and self-sabotage can quietly derail your professional trajectory. Using vague, collective language in interviews is, functionally, self-sabotage in real time.


Interview Mistake #2: Claiming Skills Without Proving Them


This one comes up constantly, and it's such an easy fix once you see it. A client will tell me they're a strong leader, or that they're great at working cross-functionally, and I'll ask them to give me an example and there's just... a pause. A long one.


They have the experience. They've absolutely done the thing. But they haven't practiced walking through it clearly, so in the moment it evaporates.


Saying "I'm great at managing conflict" is not evidence. Saying "I had a situation where two senior stakeholders wanted completely opposite things, and here's exactly how I navigated it" is evidence. There's a massive difference, and interviewers feel it immediately.


The same goes for leadership, cross-functional collaboration, problem solving, all of it.


Every claim needs a story behind it. Without one, you're asking the interviewer to just take your word for it, and in a competitive process, that's rarely enough.


Interview Mistake #3: Answering Without Structure


Over-explaining without a clear framework is one of the quietest ways to lose an interviewer's confidence, and I see it happen even with incredibly accomplished candidates.


You know your experience inside and out, which can actually work against you. You add context, then more context, then a caveat, then a bit more background, and by the time you get to the actual point, the interviewer has mentally moved on. It's not that you said anything wrong. It's that the signal got lost in the noise. Structure is what separates a good story from a confusing one.


Here's the framework I walk my clients through:


Context: Set the scene briefly. "Our retail division was losing about 25% of new customers within the first 30 days."


Your Role: Be specific about what you owned. "As Retention Lead, reversing that trend was my direct responsibility."


Your Actions: Walk through the actual steps you took. "I analyzed churn data by cohort, ran exit surveys with 50+ former customers, and redesigned the welcome email sequence from scratch."


The Outcome: Numbers. Always numbers. "First-month retention climbed from 75% to 91% over one quarter."


Notice how the team still exists in that story, but you're no longer hiding behind them, and the interviewer knows exactly what you did, how you thought, and what you delivered.


The "We" Problem, Solved


Now that we've named it, let's fix it. Here's a quick before and after:

❌ Vague "We" Version

✅ Specific "I" Version

"We rolled out a new CRM and the sales team adapted quickly."

"I created the training curriculum and ran 12 onboarding sessions. Ramp time dropped from 6 weeks to 3."

"We pitched a new product line and it got greenlit."

"I built the business case, modeled three pricing scenarios, and presented to the exec team. It was approved the same week."

"We turned around a struggling account."

"I flew out, met with the client directly, restructured the deliverable timeline, and brought the account back from cancellation."

The team still gets credit. But now the interviewer can actually see you in the story.



But What If It Really Was a Team Effort?


It was. And honestly, that's fine. Most great work is.


But even in a team win, you had a role, and that role is what the interview is about.


Accountability, as Harvard's Dr. Amy Edmondson defines it, is "psychological ownership," an internal commitment to owning your part in a larger complex system. You can absolutely honor the collective effort and still name your specific piece of it.


That's not arrogance. That's clarity.


Think of it like a sports highlight reel. A point guard doesn't say "we scored 28 points" when talking about their own performance. They say "I had 28 points, 9 assists, and held my matchup to 12." The team win still happened. But their contribution is crystal clear.


The Science Behind Why This Feels So Hard


Here's the thing that trips people up the most, and I hear this from clients all the time: saying "I" feels like bragging. It doesn't just feel uncomfortable. It can feel morally wrong, like you're stealing credit from the people who helped you get there.


But research on self-presentation tells a different story. Self-promotion, emphasizing your abilities and achievements to appear competent, is a recognized and legitimate psychological strategy. It doesn't involve deception. It involves selectively presenting the most relevant and favorable aspects of your genuine character.


In other words, speaking clearly about what you did isn't puffery. It's just good communication.


Rather than agonizing over whether your contributions were "impressive enough," just describe what you did and what resulted from it. If customer satisfaction scores jumped 18 points, that's a fact.


Let it stand on its own.

You don't need to editorialize.

The data speaks.


How to Fix This Before Your Next Interview


Record yourself answering three common interview questions. I know, nobody loves doing this, but it works. Play it back and listen for these three things:


  • How often do you say "we" when you mean "I"?

  • Are you backing up every claim with a specific example?

  • Does each answer have a clear beginning, middle, and end?


Rewrite the answers that fall short using the framework above. Lead with your role, name the specific actions you took, and anchor the result with a number. Record again. Repeat until it sounds natural, not stiff, not performative, just clear and direct.


Spending even a single day tracking how often you say "I" versus "we" reveals how automatically we default to one over the other, and how much that single choice shifts the tone of everything around it.


Own Your Story


Interviews aren't team meetings. They're your chance to show exactly what you bring to the table, not what your last department achieved collectively, but what you specifically drove, decided, and delivered.


The candidates who stand out aren't necessarily the most qualified people in the room. They're the ones who communicate their experience with clarity, back every claim with a real example, and speak with quiet ownership about the results they created.


That's what interviewers remember.

That's what gets you the offer.

Own the story. You earned it.



Sources


Impression Management, Frontiers in Psychology (NIH): https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5532427/

Psychology of "I" vs. "We" Language, The Mindset Genesis: https://www.themindsetgenesis.com/blog-articles/the-power-of-i-instead-of-we

Overcoming Impostor Syndrome in Job Interviews, Big Interview: https://resources.biginterview.com/interviews-101/impostor-syndrome/

The Language of Leadership: Mastering "We," W Talent Solutions: https://wtalentsolutions.com/language-of-leadership/


Personalized Support


Some job seekers stop at applying.


The ones who move forward spend time improving how they communicate their value once the opportunity shows up.


That is where I come in.


  • I help people get clear on their next move and actually get started.

  • I help professionals communicate their experience in a way that makes sense to hiring teams.

  • I help turn scattered efforts into a more structured, repeatable job search strategy.


Send me a message or learn more here:


You can also connect with me on LinkedIn:


Talk soon.

Greta


Don't overthink it.

If you're stuck, reach out!

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