Persuasion is one of those skills that's hardest to measure in the very setting that relies on it most. A good interviewer can spot a persuasive candidate, but that's partly because a good candidate is actively trying to persuade them throughout the interview. Whether that maps onto persuasion in the actual job is a different question.
Think about what genuine persuasion requires: reading your audience, adjusting your approach when it isn't working, building enough rapport that the other person is willing to shift their position, and doing all of this without coming across as pushy or manipulative. These are skills that develop over time and show up across hundreds of small interactions. An interview gives you one interaction, with one person, in an unusually formal and prepared setting.
That said, the right questions can surface real information. They won't tell you everything, but asking someone to recall specific situations where they had to genuinely change someone's mind — and pressing on the details — can give you a reasonable window into how they actually work.
5 persuasion interview questions
These are behavioural questions, which means they ask candidates to recall real situations rather than describe what they would hypothetically do. Use follow-up probing questions to push past rehearsed answers and get to the specifics. The quality of the details matters far more than the confidence of the delivery.
"Tell me about a time you changed someone's mind on something they were firmly against."
This is the most direct question you can ask about persuasion, and the answers vary enormously. Strong candidates will describe the specific position the other person held, why they held it, and what approach actually shifted things. They'll talk about the conversation in real terms — what they said, how the other person responded, where they had to adjust. What you're looking for is evidence that they understood the other person's reasoning, not just that they pushed harder.
Weak answers tend to be vague about what the other person was actually against, or skip over the persuasion itself to get to the outcome. Watch for candidates who describe winning an argument rather than genuinely bringing someone around.
Probing questions
- What was the other person's original position, and why were they resistant?
- What did you try first, and how did you adjust when you realised it wasn't working?
- How did you know when you'd actually changed their mind rather than just ended the conversation?
"Describe a time you had to get buy-in for an idea when the initial reaction was sceptical."
Scepticism is a different challenge from outright opposition. It requires demonstrating credibility and addressing underlying doubts that the other person may not even articulate clearly. Good answers here show someone who listened carefully, asked questions to understand the source of the scepticism, and built their case around what actually mattered to the other person — not just what mattered to them.
Watch for candidates who describe adding more evidence or repeating their original argument more emphatically. That's persistence, not persuasion. What you're really looking for is whether they adapted.
Probing questions
- What was the idea, and what were the main sources of scepticism?
- How did you find out what was really underlying their doubts?
- What did you change about your approach once you understood their concerns?
"Tell me about a time you had to adapt your approach mid-conversation when you realised what you were doing wasn't working."
This question is specifically about in-the-moment awareness — the ability to read a situation and shift course while you're in it. It's arguably the most important component of persuasion in practice, and it's one of the hardest to fake in an answer. Candidates who genuinely do this will remember what tipped them off, what they changed, and what the effect was. They'll have a real story.
Candidates who aren't particularly self-aware in their persuasion approach often struggle here. They may describe a conversation where things went well from the start, or offer a vague sense that they "changed their approach" without being able to say what that actually meant.
Probing questions
- What made you realise your original approach wasn't working?
- What specifically did you change, and why did you choose that direction?
- What happened after you shifted, and how did you know it was working better?
"Give me an example of influencing a decision you had no formal authority over."
Lateral influence — persuading peers, stakeholders, or people above you in the hierarchy without being able to instruct them — is where genuine persuasive skill shows up most clearly. You can't fall back on position or seniority. Strong answers will show someone who understood the other person's goals and priorities, and found a way to frame their idea in terms that connected with those. They'll also show an awareness of when to push and when to back off.
Probing questions
- What was the decision, and why did it matter to you that it went a particular way?
- How did you go about understanding what mattered most to the person making the decision?
- What would have happened if you hadn't been able to influence it?
"Tell me about a time you made the case for something you genuinely believed in, against real pushback."
Sustained persuasion under pressure — where the candidate kept going not because they're stubborn but because they had genuine conviction and could articulate it clearly — is worth exploring specifically. It tells you something about both their persuasive capability and their willingness to advocate for what they think is right. Good answers will show real persistence combined with real responsiveness: they kept making the case, but they also listened and engaged with the pushback rather than dismissing it.
Probing questions
- What was the pushback, and how did you respond to it in the moment?
- Was there any point where the pushback made you reconsider your position?
- How did you decide when to keep pushing and when to step back?
Why interviews aren't the best tool for this
The core problem with using interviews to measure persuasion is that the interview itself is a persuasion exercise. A candidate who is genuinely skilled at reading an audience, building rapport, and tailoring their message will be very good at the interview — not because they're demonstrating persuasion as a separate observable skill, but because they're doing it, right now, on you. Separating performance in the room from the underlying trait is genuinely difficult.
Candidates also come to interviews having prepared stories. They've thought about their best examples, polished the details, and practised the delivery. That preparation is reasonable and expected, but it means you're not hearing about persuasion in the wild — you're hearing the version someone has selected, refined, and presented to make the best possible impression. The selection bias is considerable.
There's also a confound between articulateness and persuasiveness. Someone who tells a compelling story about persuading a colleague may simply be a good storyteller. Someone who is genuinely very persuasive in practice might describe a situation haltingly, with too much detail about the context and not enough about what they did. Interviewers consistently rate candidates who communicate fluently more highly, regardless of what they're actually communicating.
Interviews are also late in the process to be discovering someone isn't who you thought they were. By the time you're interviewing, you've already spent time reviewing applications and shortlisting. If you uncover a persuasion problem at interview, you're starting the process again. There are better ways to gather this information earlier.
What actually works for measuring persuasion
You don't have to rely on interviews for this. Personality assessments can measure the traits that underpin persuasion before you've even scheduled an interview. Emotional intelligence tells you how well someone reads others, adjusts their approach, and builds rapport — all of which are foundational to being genuinely persuasive rather than just pushy. Extraversion tells you how naturally someone asserts their views, engages with others, and maintains their position under pressure.
Together, these two give you a more accurate read on persuasive capability than any interview story can. Emotional intelligence captures the interpersonal sensitivity side — knowing when to push, when to listen, when to reframe. Extraversion captures the social confidence side — the willingness to put a view forward and keep making the case when challenged. A profile high on both tends to look quite different in practice from someone high on just one or the other.
We cover this in much more depth in our article on how to assess soft skills, but the core idea is straightforward: measure the underlying traits early, so that by the time you're having an interview conversation, you're exploring and contextualising rather than trying to figure out whether someone has the basic capability at all.
Conclusion and next steps
The questions above are genuinely useful — they'll get you further than generic competency questions, and they'll surface real differences between candidates. But they work best when you're already reasonably confident someone has the underlying persuasive capability, and you're using the interview to understand how it shows up in context.
If you want a more reliable read earlier in the process, our personality assessments are designed by business psychologists and validated against job performance data. They measure the emotional intelligence and extraversion patterns that actually predict persuasive effectiveness, not just the ability to talk about it well.
Ben Schwencke
Chief psychologist at Test Partnership. MSc in Organisational Psychology with over ten years experience in psychometric testing.
