If you’ve ever walked out of an interview thinking:
“I wish I’d prepared better answers for those questions…”
You’re not alone.
Many people go into interviews feeling like they’re guessing what might come up.
They prepare broadly, think about their experience, and hope they can adapt in the moment.
But what if I told you – you don’t have to guess.
In fact, in most interviews, the answers are already in front of you.
They’re just hidden in a document that many people overlook:
The person specification.
When you learn how to use this properly, it can completely change how you prepare – and how confident you feel on the day.
What Is a Person Specification (And Why It Matters)
The person specification is usually included alongside the job description.
It outlines exactly what the employer is looking for in a candidate, typically broken down into areas such as:
- Skills
- Experience
- Qualifications
- Personal qualities
At first glance, it might just look like a checklist.
But in reality, it’s much more powerful than that.
The person specification is essentially the employer’s blueprint for the role.
And more importantly:
It’s what your interview will be based on.
Why Most People Don’t Use It Properly
Despite how valuable it is, many job seekers don’t use the person specification effectively.
They might:
- Read it once
- Recognise they meet some of the criteria
- Then move on
But they don’t:
- Break it down
- Prepare examples for each point
- Use it to predict interview questions
And that’s where they miss a huge opportunity.
Because if you don’t use it:
You’re preparing blindly.
The Shift That Changes Everything
Instead of asking:
“What might they ask me in the interview?”
Start asking:
“What does the employer need to see – and how can I prove it?”
That’s exactly what the person specification tells you.
Once you make this shift, your preparation becomes:
- More focused
- More relevant
- More effective
Step 1: Deconstruct the Person Specification
The first step is to slow down and go through the document carefully.
Don’t skim it.
Go through it line by line.
For each requirement, take a moment to understand exactly what’s being asked.
For example, if it says:
- “Strong communication skills”
- “Ability to work under pressure”
- “Experience working in a team”
Ask yourself:
What does this actually look like in practice?
This step is about clarity.
Because if you don’t fully understand what the employer means, it’s much harder to give a strong answer later.
Step 2: Turn Each Requirement Into Evidence
This is where your preparation becomes much more powerful.
For every point on the person specification, ask yourself:
“Do I have this – and how can I prove it?”
The second part of that question is key.
Anyone can say:
“Yes, I have good communication skills.”
But employers don’t just want to hear that.
They want evidence.
So instead, think about:
- A specific situation
- A real example
- A moment where you demonstrated that skill
For example, if the requirement is teamwork, your evidence might come from:
- A job role
- A volunteer position
- A project
- Even a course or placement
What matters is that you can clearly show:
What you did and how you did it.
Step 3: Build Your “Match List”
Once you’ve worked through the person specification, you should have a set of examples that match each requirement.
This is what we often call a “match list.”
Think of it as your personal bank of evidence.
Instead of trying to come up with answers on the spot during the interview, you already have:
- Relevant examples
- Clear experiences
- Strong evidence
This makes a huge difference.
Because rather than feeling like you’re improvising, you’re simply selecting the most appropriate example for each question.
Step 4: Turn Requirements Into Likely Interview Questions
Here’s where things get even more strategic.
Each point on the person specification can be turned into a likely interview question.
For example:
“Effective time management” might become
“Can you tell us about a time you had to manage multiple tasks at once?”
“Ability to work independently and as part of a team” might become
“Can you give an example of a time you worked both independently and collaboratively?”
“Strong interpersonal skills” might become
“Tell us about a time you used your people skills to handle a situation”
This process is essentially about reverse engineering the interview.
You’re not guessing anymore.
You’re preparing based on what is most likely to come up.
Why This Approach Builds Confidence
One of the biggest challenges in interviews is uncertainty.
Not knowing what you’ll be asked can make you feel:
- Nervous
- Unprepared
- Unsure how to respond
But when you’ve worked through the person specification in this way:
That uncertainty reduces significantly.
You start to feel:
- More prepared
- More focused
- More in control
And that naturally improves how you perform.
Common Mistakes to Avoid
As you use this approach, there are a few pitfalls to watch out for.
One of the most common is keeping your answers too vague.
Saying: “I’m good at teamwork” is not enough.
You need to show it.
Another mistake is preparing too broadly without linking back to the role.
Remember: relevance is everything.
And finally, some people skip this step altogether and rely on general preparation.
This often leads to:
- Weak answers
- Missed opportunities
- Lower confidence
Final Thoughts
If you’ve ever felt unsure about how to prepare for an interview, the person specification is your starting point.
It tells you:
- What the employer cares about
- What they will assess
- What you need to demonstrate
When you use it properly, it becomes more than just a document.
It becomes your preparation strategy.
And ultimately, it helps you walk into your interview feeling:
- Clear
- Prepared
- Confident
Want Help Preparing for Interviews?
If you’d like support using this approach for your own interviews:
- Join one of our free Career Webinars
- Download the Career Change Toolkit
- Or talk to a Career Coach
Because the strongest candidates aren’t the ones who guess what to say –
They’re the ones who prepare with purpose.