如何回答「你最大的弱點是甚麼？」：WISP 為何勝過三部分公式

Originally published at https://easedit.co/blog/003-greatest-weakness

How to Answer 'What's Your Greatest Weakness?' — And Why WISP Beats the 3-Part Formula

There's one interview question that causes more damage than almost any other — not because it's difficult, but because most candidates think they know how to answer it.

They don't.

The Two Answers That Kill Interviews

"I don't have any major weaknesses" and "I'm a perfectionist" are the two most commonly given answers to this question. They are also the two most commonly identified mistakes by recruiters and hiring managers.

"I don't have weaknesses" reads as a lack of self-awareness — which is itself a significant weakness in any collaborative role.

"I'm a perfectionist" has been used so often that it now signals evasion rather than honesty. Interviewers hear it and immediately move on.

What the Question Is Actually Testing

The interviewer isn't expecting you to have no weaknesses. They know you have them. What they're testing is:

Do you know yourself well enough to identify one?
Are you taking steps to address it?
Do you have evidence that those steps are working?

That third element — evidence — is what separates a strong answer from a mediocre one.

Two Frameworks: 3-Part and WISP

The 3-Part Formula is the baseline: name a real weakness, explain what you're doing about it, and show some progress. It works for most interviews.

WISP is the more complete version, developed by admissions and interview coach Jessica Shklar at mbaMission. It adds two critical components that the 3-Part formula skips.

Here's the structure:

W — Weakness: Real, non-core to the role. Not a humble brag.
I — Impact: A specific situation where this weakness actually caused a problem. This is what most candidates leave out.
S — Steps: What you're actively doing to address it. Specific and ongoing — not "I used to work on this."
P — Proof: Evidence the steps are working. Not "I'm fixed" — even partial progress counts.

The diagram below shows how the four components fit together.

The distinction between Steps and Proof is the key contribution of WISP. Steps says "I'm doing X." Proof says "and it's working — here's how I know."

A Live Example

Shklar demonstrates WISP with her own weakness: interrupting people.

Weakness: "I interrupt people."

Impact: "When I became a manager, my team stopped sharing ideas in meetings because they felt cut off. That was a real problem."

Steps: "I set up a codeword with the team — they can signal me in the moment without embarrassment. I also started carrying water and take a sip whenever I feel the urge to jump in."

Proof: "I'm not perfect, but my team told me they notice the difference. I'm now much more aware of when I'm about to cut someone off."

Note how natural it sounds. WISP doesn't need to feel like a checklist — it flows like a story.

Choosing the Right Weakness

Good weaknesses are genuine, non-core to the role, and already being actively worked on. Some that tend to work:

Public speaking / presenting to large groups
Saying no / overcommitting
Delegating (for those used to doing things themselves)
Hesitating on bold decisions
Interrupting people (strong for WISP — there's clear Impact)

Avoid anything central to the role's core requirements. If the job involves client presentations, "public speaking" isn't the right choice.

What to Avoid

Any deflection disguised as honesty ("I care too much about quality")
A weakness you describe in the past tense only ("I used to struggle with this") — it reads as a non-answer
A weakness with improvement steps but no evidence of progress — that's promises, not a track record
A weakness so catastrophic it disqualifies you

The Principle Behind Both Frameworks

Both the 3-Part formula and WISP work because they reframe the question: the answer isn't about the weakness. It's about the response to the weakness.

Identify a real one. Show what you're doing about it. Prove it's working.

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