BMS5502S Chap.5 Customer Discovery and Opportunity Validation
Customer Discovery and Opportunity Validation
Two families of evidence
Session 2 sorts primary market sensing into qualitative methods, which explain why a problem exists and how it is experienced, and quantitative methods, which show how many people share it.
On the qualitative side it lists discovery interviews, observation of what customers actually do, diary studies in which customers log problems over two weeks, focus groups used sparingly because group dynamics distort answers, job shadowing and online communities.
On the quantitative side it lists surveys, keyword search volumes, social listening, reviews of competitors' apps, professional network searches for business segments and government statistics such as those from the Singapore Department of Statistics.
The first project makes this concrete.
Its brief asks each team to identify a real, unmet need in Singapore, to get out of the building, and to gather primary evidence through fifteen to twenty customer discovery interviews or at least fifty survey responses from the target segment, with no identity numbers or sensitive personal data collected.
The session itself sets a higher bar for a real founding team, with fifty or more interviews before building and a validation checklist that asks for at least thirty.
How to run a discovery interview
The session's five rules are the heart of the chapter. Do not pitch, because once the product is described the customer becomes polite. Ask about past behaviour rather than future intentions.
Apply the Mom Test, after the book of that name on the course reading list: praise from someone who wants to be kind is not validation. Ask for the customer's three biggest frustrations and have them rank the list.
And write down vivid descriptions of pain word for word, because that language will later sell the product.
When research lies
The session poses a scenario in which most of fifty interviewees say they love an idea, then explains why that result means little. Social desirability bias makes people agree to be kind. Sampling bias arises when interviewees come from the founder's own circle.
Leading questions confirm what the founder hopes. Survivorship bias hides the ventures that tried and failed. Niche myopia finds a real problem in a segment too small to sustain a business. The shared remedy is to trade opinions for proof of past actions or firm commitments, such as a deposit, a pre-order or a trial.
The validation checklist
The session closes with five conditions.
The problem is confirmed in interviews and ranks among the segment's top three priorities. Customers have already tried to solve it. A meaningful share, at least ten per cent in the session's version, have already spent money on it. The team can name a specific, lasting reason existing solutions fall short. And no legal or ethical barrier blocks the venture, a point stressed for health, finance and education.
What this chapter covers
- 01
Qualitative and quantitative market sensing methods
- 02
Interview numbers in the session and in the first project brief
- 03
Five rules for a discovery interview including the Mom Test
- 04
Five research traps and the evidence that replaces opinion
- 05
The five-condition opportunity validation checklist
Worked example · free
Reading a survey result honestly
- 3Rank the three figures as evidence and justify the ranking.
- 2Compute the relevant share and compare it with the checklist.
- 1State the next step.
Key terms
- Market Sensing
- Gathering primary evidence about customers and markets through observation, interviews and data before committing to a venture.
- Mom Test
- A rule for customer interviews: ask about real past behaviour so that even people who want to be kind cannot mislead you.
- Social Desirability Bias
- The tendency of respondents to give the answer they think the interviewer wants.
- Sampling Bias
- Distorted findings caused by interviewing people who resemble or support the founder.
- Survivorship Bias
- Judging a market only from the firms that survived, ignoring those that failed.
- Niche Myopia
- Finding a real problem in a segment too small to support a business.
- Willingness to Pay
- Evidence that customers will spend money to solve a problem, strongest when they already have.
Customer Discovery and Opportunity Validation FAQ
How many interviews does the first project require?
The project brief asks for fifteen to twenty customer discovery interviews or at least fifty survey responses from the target segment in Singapore. The session's own guidance for a real founding team is higher, around fifty interviews before building, so more evidence strengthens the analysis.
Why should interviewers avoid describing their product?
Once a product is described, people react to it politely instead of describing their own experience. The session says the conversation effectively ends when the pitch begins, so the interview should stay on the customer's past behaviour and problems.
What is wrong with asking customers whether they would buy?
It asks for a prediction that costs nothing to give. Most people are generous with hypothetical support and much less generous with money. The session recommends asking about the last time the problem occurred and, when testing demand, asking for a real commitment.
What are the five research traps named in the session?
Social desirability bias, sampling bias, leading question framing, survivorship bias and niche myopia. Each produces encouraging results that do not predict purchasing, and each has a matching fix that replaces opinion with evidence of behaviour or commitment.
When does an opportunity count as validated?
When interviews confirm the problem as a top-three priority, customers have already tried to solve it, a meaningful share have already spent money on it, the team can name why current solutions fall short, and no legal or ethical barrier stands in the way.
Exam move
Draft a ten-question interview guide for your first project, then check every question against the five rules and the five traps. Delete any question about the future or your product. A guide that survives that check will produce evidence your rubric can reward.
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