When you ask people about your startup idea, they want to be polite. They don't want to hurt your feelings, so they tell you what you want to hear: “That sounds like a great idea! I would definitely buy that.”
This is false validation. It is the number one cause of startup failure. You spend six months building a product based on these compliments, only to find that nobody actually whips out their credit card when it's time to pay.
To get real validation, you must apply the principles of The Mom Test (a concept popularized by Rob Fitzpatrick). The core idea is simple: you should design interviews so that even your mother cannot lie to you about whether your idea is good.
The Three Rules of The Mom Test
An interview is successful not when people compliment your idea, but when you gather concrete facts about their past behavior. Here are the three rules to live by:
1. Talk about their life
Never talk about your idea. Instead, ask about their specific workflows, frustrations, and how they currently spend time or money to solve their problems.
2. Ask about the past
Ask about specific instances in the past (e.g., “Tell me about the last time you ran into this.”). Never ask about hypothetical future actions.
3. Talk less, listen more
Your job is to gather data, not to pitch. If you spend more than 20% of the time talking, you are pitching, not interviewing.
Bad Questions vs. Good Questions
To understand how this works in practice, let's compare common leading questions with neutral, behavior-focused alternatives:
| The Bad (Hypothetical / Leading) | The Good (Behavioral / Concrete) |
|---|---|
| “Do you think it's a good idea to have an app that does X?” | “How do you currently deal with X?” |
| “Would you pay $50 a month for this software?” | “What have you spent money on in the last year to solve this?” |
| “How often do you think you would use a tool like this?” | “Walk me through your workflow yesterday. When did X happen?” |
Decoding Customer Compliments
Compliments are the biggest trap in customer discovery. When someone says, “I love that! That's so cool!”, they are trying to exit the conversation politely.
How to handle a compliment: Acknowledge it, pivot away, and return to concrete questions. For example: “Thanks! I appreciate that. But let's get back to what you said earlier about manually inputting receipts. How much time did you spend on that last Friday?”
Spotting Real Commitment
You know a customer is serious not when they smile, but when they give you a commitment of one of three assets:
- Time: Agreeing to a 60-minute trial, setting up a second meeting to review mockups, or introducing you to their manager.
- Reputation: Introducing you to a colleague or client who has the same problem.
- Money: Putting down a deposit, pre-ordering, or signing a formal letter of intent.
Uncover the Real Pain Points First
Before you start hopping on calls, let Olune scan online discussions and forums to surface the exact frustrations your target audience is talking about. This gives you high-context questions ready for your interviews.
Analyze Your Audience Now →