MGU Business Series — Business Foundations & Entrepreneurship
Part III: Entrepreneurship and Innovation
Assumptions · Interviews · Surveys · Competitors · Personas
Chapter 11 of 28
MGU Business Series  ·  Business Foundations & Entrepreneurship  ·  Library Textbook Edition

Chapter 11:
Customer Discovery
and Market Research

Assumptions, customer interviews, surveys, observation, competitor research, market segmentation, personas, and interpreting evidence — the tools entrepreneurs use to build on evidence rather than guesswork

■ Part III: Entrepreneurship and Innovation ■

■ 10 Sections  •  Chapter 11 of 28 ■

Follows Chapter 10: From Idea to Opportunity  ·  Prepares students for Chapter 12: Prototypes, Testing, and Minimum Viable Products

Purpose and Overview

"Get out of the building."
Steve Blank, entrepreneur and educator

Every entrepreneur has assumptions. You assume your product solves a real problem. You assume customers want what you are building. You assume people will pay for it. Some of those assumptions will be right. Many will be wrong — at least in part. The question is not whether you have assumptions; every entrepreneur does. The question is whether you will test them before spending months and thousands of dollars, or after.

Customer discovery is the practice of gathering real evidence about real customers before you commit too deeply to a specific solution. Market research is the broader set of tools and methods that helps you understand the market you are entering. Together, these practices reduce risk, sharpen your idea, and help you build something people actually want.

Opening Question

Two college students spend six weeks building a premium frozen burrito brand for their campus. They develop flavors, design packaging, and choose a name. When they finally survey students, they discover that only 15% of dorms have microwaves — and that students want affordable grab-and-go options, not frozen food. Six weeks of work, rendered irrelevant by a question they never asked. By the end of this chapter, you will know how to ask that question first — before you build anything.

10Sections
11Objectives
19Key Terms
6+Applied Exercises

Learning Objectives

  1. 1Explain why market research reduces risk in the early stages of a venture.
  2. 2Identify the assumptions embedded in a business idea and convert them into testable hypotheses.
  3. 3Design and conduct effective customer interviews using behavior-based questions.
  4. 4Apply the Mom Test framework to distinguish useful customer feedback from polite encouragement.
  5. 5Design a basic survey, avoiding leading questions, double-barreled questions, and hypothetical questions.
  6. 6Describe field research and observation methods and explain what they reveal that surveys cannot.
  7. 7Conduct a basic competitor analysis using multiple research methods.
  8. 8Segment a market using demographic, geographic, psychographic, and behavioral dimensions.
  9. 9Build a customer persona from research patterns and explain its uses in product and marketing decisions.
  10. 10Interpret qualitative and quantitative research results for patterns rather than outliers.
  11. 11Update a set of business assumptions based on evidence gathered through customer discovery.

Sections at a Glance

Sections 11.1 – 11.2
Why Research Matters and What You Are Testing
Why Market Research Matters · Assumptions and Evidence

Why Market Research Matters

Many entrepreneurs fall in love with their idea. They spend weeks designing a logo, building a website, creating a product — and then launch it into silence. No customers show up. Or customers show up but do not buy. This happens not because the entrepreneur lacked effort or talent. It happens because they built something without first confirming that real people had the problem they were solving, that real people would pay to have it solved, and that their particular solution was the right fit.

What Market Research Answers

QuestionWhy You Cannot Answer It Alone
Who actually has this problem?You may be solving a problem you personally experience but that others do not share.
How painful is it, and how often does it occur?Frequency and severity determine whether customers will pay to solve it.
What do customers currently do about it?The current solution is your real competitor — not another startup.
What would customers pay?Willingness to pay is a behavior, not a belief. It must be measured.
Who else is trying to solve this?Competition reveals market reality. No competition may mean no demand.
What matters most to them when deciding?Customers weigh factors differently than entrepreneurs assume.
Research Is Not Certainty

Market research does not guarantee success. No amount of research eliminates uncertainty in business. But research dramatically reduces the likelihood of wasting time and money building something nobody wants. It helps you start with a more accurate picture of your customer, your market, and your opportunity. Many of the most powerful methods are free — talking to customers, observing behavior, reading competitor reviews.

Practice 11.1Concept Check
  1. In your own words, explain what it means to "build in the dark." Give an example from your own experience or observation.
  2. A friend says, "I already know people want this — my whole family loves the idea." What concerns does this raise about the quality of the evidence? What would make the evidence stronger?
  3. List three questions about your own business idea (from your Chapter 10 work) that you cannot answer by sitting at a desk. How would you go about answering each?

Assumptions and Evidence

Every business idea rests on a set of assumptions. Most entrepreneurs do not write them down or even realize they are making them. Consider a student who wants to launch a meal prep delivery service for college students. Hidden inside that idea are dozens of assumptions about whether students want home-cooked food, whether they will pay a premium, whether they have the means to store and heat the meals, and whether the delivery logistics are practical.

Turning Assumptions into Hypotheses

Assumption (Untested) Hypothesis (Testable) Risk Level
College students want prepared meals. Students without a meal plan spend at least $50/week on food and express frustration about the time it takes to find and prepare meals. Testable
Students will pay a premium price. At least 30% of surveyed off-campus students say they would pay $10–$12 for a ready-to-eat dinner delivered to their building. High Risk
Dorm residents can store and heat meals. A majority of first-year students living in dorms have access to a microwave or shared kitchen facility. High Risk
Delivery is logistically feasible. The campus can be served by a student delivery team at a cost of under $2 per order given current fuel and labor rates. Operational
Riskiest Assumption First

Not all assumptions are equally dangerous. The riskiest assumption is the one that, if wrong, would cause your entire business concept to fall apart. Identify your riskiest assumptions and test those first. This prevents spending time and money perfecting things that do not matter if the core premise is wrong.

Categories of Assumptions to Test

CategoryWhat You Are Testing
CustomerDo these customers actually have this problem? Is it painful enough to solve?
SolutionIs your specific solution the right way to solve it? Do customers prefer your approach?
MarketIs the market large enough? Are there enough willing-to-pay customers?
Business modelCan you serve customers at a price they will pay while covering costs?
ChannelCan you reach customers through the channels you plan to use?
Practice 11.2Assumption Mapping
  1. Choose a business idea. Write down five assumptions underlying it. For each, identify which category it belongs to (customer, solution, market, business model, or channel).
  2. Convert each assumption into a specific, testable hypothesis using the format: "At least X% of [target group] will [observable behavior] under [specific condition]."
  3. Rank your five hypotheses from riskiest to least risky. Explain your reasoning for the one you ranked most risky.
Sections 11.3 – 11.4
Talking to Customers: Interviews and Surveys
Customer Interviews · The Mom Test · Survey Design

Customer Interviews

Of all the research methods available to an early-stage entrepreneur, customer interviews are among the most powerful. A good conversation with someone in your target market can reveal insights no survey, database, or focus group report can match. Interviews let you hear the customer's actual words, follow unexpected threads, and discover problems you did not know existed.

Who to Interview

Interview people who represent your target customer — people who actually have the problem you are trying to solve. This does not mean interviewing your friends because they are easy to reach. Find people who genuinely experience the problem. Research typically shows that five to ten interviews with the right people surface most major themes. The goal is depth, not volume.

What to Ask: Behavior, Not Predictions

The Most Important Principle

Ask about behavior and experience, not about your idea. "Would you use a meal prep service?" puts people in the position of predicting their own future behavior — something humans do poorly. People say they would use something far more often than they actually do. Ask about the past instead.

Weak Question (Hypothetical)Strong Question (Behavioral)
Would you use a meal prep service if one existed?Walk me through how you handled meals last week.
Do you find cooking frustrating?Tell me about a time when getting food was really frustrating.
Would you pay $10 for a prepared meal?What do you currently spend on food in a typical week?
Do you think our app would save you time?Have you ever tried any apps or services to manage this? What happened?
Framework 11.3
The Mom Test — Three Principles
  • Principle 1Ask about their life, not your idea. Your mother will tell you your business idea is great because she loves you. Design questions that anyone would answer honestly — because the questions are about them, not your product.
  • Principle 2Talk about specifics in the past, not hypotheticals in the future. "Did you ever pay for a tutoring service?" is better than "Would you ever pay for a tutoring service?" The first asks about what happened; the second asks for a prediction.
  • Principle 3Listen more than you talk. Your job in the interview is to learn, not to persuade. If you find yourself defending your idea or explaining how it works, stop — you have shifted from listening to selling.
Source: Based on the framework developed by Rob Fitzpatrick in The Mom Test (2013).

During and After the Interview

Come prepared with five to eight open-ended questions, but treat them as a guide, not a script. Follow the most interesting threads. If someone mentions a surprising frustration, ask more about it. Take notes or, with permission, record the conversation. Do not argue with what you hear or defend your idea.

After each interview, write up key takeaways while the conversation is fresh. Note direct quotes, surprises, and patterns across conversations. What do multiple people say? What language do they use to describe the problem? What solutions have they already tried?

Practice 11.3Interview Design
  1. Rewrite each of the following questions to follow the Mom Test (past-focused, behavioral, about them rather than your idea).

    a. "Would you use a dog-walking app if it was easy to sign up?"
    b. "Don't you think studying would be easier with a better note-taking tool?"
    c. "If we offered free shipping, would you buy from us?"
  2. For your own business idea, write a five-question customer interview guide. Make sure all five questions ask about past behavior or lived experience. Identify which question targets your riskiest assumption.
  3. A classmate says: "I interviewed my three roommates and they all loved the idea." Identify two problems with this approach and suggest a more reliable way to gather interview evidence.

Surveys and Question Design

Interviews give depth. Surveys give breadth. Once you have learned from interviews what questions to ask, you can survey a larger group to confirm patterns and measure frequency. Surveys can also reach people who are not easy to meet in person.

Common Survey Design Mistakes

MistakeExample of the ErrorCorrected Version
Leading question "Don't you find it frustrating when you can't find good food near campus?" "How would you describe your experience finding food near campus?"
Double-barreled "How satisfied are you with the quality and price of food options near campus?" Split into two separate questions — one about quality, one about price.
Hypothetical "Would you use a meal delivery service if one were available?" "Have you used a meal delivery service in the past six months? If yes, which ones?"
Vague "Do you like food delivery?" "How many times in the past month did you order food through a delivery app?"

Types of Survey Questions

TypeBest Used ForLimitation
Multiple choiceCategories, demographics, specific preferencesLimits responses to options you think of in advance
Rating scalesMeasuring intensity or satisfaction (e.g. 1–10)Numbers mean different things to different people
Ranking questionsUnderstanding priorities among a set of optionsDoes not reveal absolute importance — only relative
Open-endedCapturing language, unexpected themes, nuanceHarder to analyze; respondents often skip them
Tip — Keep Surveys Short

Ten questions or fewer typically produces better completion rates than long surveys. Respondents drop off quickly when they feel it is taking too long. Also be thoughtful about who you survey — a survey distributed only among your friends and classmates may not represent your true target customer.

Practice 11.4Survey Critique and Design
  1. Identify the flaw in each survey question and rewrite it correctly.

    a. "Wouldn't you agree that our product is better than what's currently available?"
    b. "How often do you exercise and eat healthily?"
    c. "If we lowered the price, would you buy this product?"
    d. "Do you think our service is good?"
  2. Design a six-question survey for your business idea. Include at least one multiple choice question, one rating scale question, and one open-ended question. Identify the purpose of each question — what specific assumption are you testing?
Sections 11.5 – 11.6
Watching and Benchmarking
Observation and Field Research · Competitor Research

Observation and Field Research

People do not always accurately describe their own behavior. They forget details, they idealize, they tell you what they think you want to hear. Observing actual behavior provides a different and often more reliable kind of evidence. Field research means going to where your customers are and watching what actually happens.

MethodWhat It IsWhat It Reveals
Observation Watching customers in a real setting without interfering Actual behavior, workarounds, friction points that people have accepted as normal
Ethnographic research Immersive observation in the environment where the problem occurs Context, cultural patterns, systemic frictions invisible from outside
Mystery shopping Using a competitor's product or service as a regular customer Firsthand experience of what customers encounter when they choose alternatives
Contextual inquiry Observing a customer performing a specific task, then asking follow-up questions in the moment Combines the accuracy of observation with the interpretation power of interviews
Field Research in Practice
Observing a Ride-Share Pickup Zone
  • The SettingA student entrepreneur wants to design an app that reduces confusion in campus ride-share pickup areas. She spends 45 minutes watching a pickup zone outside the student union on a Friday evening.
  • What She ObservesRiders cluster at the wrong end of the zone, then run to find their driver. Drivers circle twice before stopping. Four people cancel their rides visibly. One driver argues with a rider about location. Students are looking at their phones constantly, not the signs.
  • What She LearnsThe problem is not the app's mapping — it's that riders do not look at the signs and drivers do not know which section to stop in. Her original solution (better in-app directions) would not fix the actual confusion.
  • Next StepShe conducts three contextual interviews in the pickup zone, asking riders in the moment what they were looking for and what confused them. She discovers that the zone labels are not visible from a phone screen at night.
Insight: Observation surfaced the real problem — physical signage visibility — that surveys about app features would have missed entirely.
Practice 11.5Observation Planning
  1. Identify a real-world location where a customer problem you are interested in solving plays out. Describe what you would observe, for how long, and what specific behaviors you would watch for.
  2. Explain the difference between what a customer says they do and what they actually do. Why might these differ? Give an example beyond food or exercise.
  3. You are studying a competitor's coffee shop. Describe a mystery shopping approach: what would you observe, what would you order, what would you evaluate?

Competitor Research

Understanding the competitive landscape is essential for two reasons. First, competitors tell you whether your problem is real: if others are building solutions, the problem exists. Second, competitors show you what customers already have access to — so you understand what you must do better, differently, or more affordably to win attention and business.

Competition Is Evidence

Many first-time entrepreneurs fear competition. But competition is actually evidence of a market. The real danger is a market with no competitors at all — which may mean no customer demand. The absence of competition is not a sign of opportunity; it is often a warning sign.

Identifying the Full Competitive Landscape

Competitor TypeExample (Meal Prep Service)
Direct competitorsOther meal delivery services, meal kit companies
Indirect competitorsCampus dining halls, nearby restaurants, grocery stores
The "do nothing" alternativeStudents cooking for themselves, skipping meals, eating cereal — maintaining current behavior
The Most Important Competitor

The "do nothing" alternative — the customer's current behavior — is often your most important competitor to understand. Why might a customer stick with what they already do rather than switch to your solution? If you cannot answer this question, you cannot build a compelling case for your product.

How to Research Competitors

Visit and use them. Buy their product. Use their service. Go through their entire customer experience. This is legitimate and essential.

Read their reviews. Customer reviews on platforms like Google, Yelp, or Amazon are a gold mine of unfiltered feedback. Positive reviews tell you what customers love. Negative reviews tell you where competitors fall short — and where your opportunity may lie.

Study their marketing. What promises do they make? What language do they use? Who do they appear to be targeting? Their marketing reveals how they think about their customer.

Examine their pricing. How do they structure offerings and set prices? What does this tell you about their cost structure and target customer?

Practice 11.6Competitor Analysis
  1. For your business idea, list two direct competitors, two indirect competitors, and describe the "do nothing" alternative.
  2. Choose one direct competitor. Describe how you would use mystery shopping to learn about their customer experience. What specific things would you pay attention to?
  3. Go to any business's public review page (Google, Yelp, or similar). Find three specific complaints in negative reviews. For each complaint, write one sentence explaining what opportunity that complaint might represent for a competitor.
Sections 11.7 – 11.9
Defining and Understanding Your Customer
Target Markets and Segmentation · Personas and Use Cases · Interpreting Research Results

Target Markets and Customer Segments

One of the most common mistakes in early-stage businesses is trying to serve everyone. It feels safe — the bigger the potential market, the bigger the potential opportunity. But it leads to a diffuse message, wasted resources, and products that do not fully serve anyone. Every successful business, at least in its early stages, wins by serving a specific customer extremely well.

Four Segmentation Dimensions

DimensionWhat It DescribesExample
DemographicAge, income, education, occupation, family sizeYoung professionals aged 25–35, household income above $60,000
GeographicLocation, city size, region, climateUrban residents in cities with strong commuter transit
PsychographicValues, lifestyle, attitudes, interestsHealth-conscious consumers who prioritize sustainable sourcing
BehavioralPurchase behavior, usage rate, loyalty, occasionFrequent online shoppers who have already tried meal kits
Market Sizing
TAM, SAM, and SOM — Know the Difference
  • TAMTotal Addressable Market — The broadest theoretical estimate of how large a market could be. For a meal service, it might be all people who eat meals. TAM is often cited in investor pitches but is not useful for operational decisions.
  • SAMServiceable Addressable Market — The portion of the TAM you could realistically reach with your product and distribution. For a local campus meal service, it might be all students in your city.
  • SOMServiceable Obtainable Market — The realistic share of the SAM you could actually capture in the near term. This is the most useful number for planning and the one most relevant to early-stage decisions.
Focus your energy on defining a specific, reachable target segment — not on claiming enormous TAM figures you have no plan to reach.
Practice 11.7Segmentation and Market Sizing
  1. A student wants to launch a tutoring business. The statement "all high school students" is a market, not a segment. Write a more specific target segment using at least two segmentation dimensions.
  2. For your own business idea, write a target market statement using at least two of the four segmentation dimensions. Explain why you chose those dimensions — what makes them relevant to your specific product or service?
  3. A university has 12,000 students. You survey a sample and find that 35% are first-generation college students who report feeling academically under-prepared. Of those, 40% say they would try a peer tutoring app. If you could realistically reach 15% of interested students in your first semester, how many users would that be?

Personas and Use Cases

A persona is a detailed, semi-fictional description of a specific type of customer based on your research. It brings your target customer to life as a real, three-dimensional person rather than an abstraction like "college students ages 18–22." Personas are not invented from imagination — they are constructed from patterns across real interviews, surveys, and observations.

Maya Chen
Age 20  ·  Sophomore  ·  State University  ·  Off-Campus Apartment  ·  Part-Time Barista
Goals
Eat healthy food without spending a lot of time or money on it. Stay on a budget while keeping energy up for class and work.
Frustrations
Too tired to cook after long shifts. Ends up at fast food out of desperation. Produce goes bad before she uses it. Feels guilty about spending and eating habits.
Current Behavior
DoorDash 2–3x per week. Grocery shops once weekly but wastes about 40% of fresh items. Sometimes skips dinner entirely.
Decision Factors
Price matters (tight budget), but convenience matters more. Will not adopt anything that adds complexity to her week. Values speed over variety.
I just want something ready when I walk in the door. I don't have the energy to figure out dinner at 9 PM.

Use Cases: The Customer in Action

A use case describes a specific scenario in which a customer uses your product or service. It places the persona in a concrete situation and walks through the interaction from start to finish. Use cases help you identify exactly what needs to work well for your customer to have a good experience.

Use Case Example
Maya Orders a Meal — Tuesday Evening
  • 8:00 PMMaya arrives home from her barista shift. She is exhausted. She has not eaten since noon.
  • 8:02 PMShe opens her phone and sees a push notification: her weekly meal kit was delivered to her apartment building's parcel locker at 6 PM.
  • 8:05 PMShe picks it up from the locker. Tonight is a grain bowl with roasted vegetables and tahini. The container is labeled with microwave instructions.
  • 8:08 PMShe heats it for three minutes. No planning, no dishes, no decisions.
  • 8:12 PMShe sits down to eat. She feels relieved. She did not have to think about food tonight.
Design implication: Parcel locker compatibility, clear microwave instructions, and zero decision-making at pickup are critical features — not optional polish.
Practice 11.8Persona and Use Case Development
  1. Using research you have conducted (or your working knowledge from Chapter 10), create a persona for your primary target customer. Include: name, demographics, goals, frustrations, current behavior, decision factors, and a representative quote in their voice.
  2. Write a use case for your business idea. Place your persona in a specific scenario and describe the interaction from beginning to end. What must work well for the experience to succeed? Identify at least two design implications your use case reveals.
  3. A classmate creates a persona that says "Customer: Adults who want healthy food." What is wrong with this persona? What specific information is missing, and why does each piece matter?

Interpreting Research Results

After conducting interviews, distributing surveys, observing customers, and studying competitors, you will have a significant amount of raw information. The first principle: look for patterns, not outliers. One person who says something unusual is interesting but not necessarily actionable. Five people who independently say the same thing is a pattern worth taking seriously.

Affinity Mapping

Affinity mapping is a technique for making sense of qualitative data. After interviews, write each key insight on a separate card. Then group the cards into clusters of related themes. You might end up with a cluster around "time pressure," another around "food quality concerns," and another around "budget constraints." Each cluster represents a recurring theme. Affinity mapping is especially useful when multiple people have done research and you need to synthesize many observations.

Confirmation Bias — The Biggest Interpretation Risk

The temptation when research contradicts your expectations is to dismiss it. "Those people must not be representative." "That one respondent had unusual opinions." This is confirmation bias — the tendency to favor information that confirms what you already believe. Surprises are often the most valuable findings. If five customers tell you your assumed problem is not their biggest pain point, that is important. Treat surprising findings with curiosity, not defensiveness.

The Core Loop of Customer Discovery

Assume → identify the beliefs embedded in your business idea.

Test → design research to challenge those beliefs with real evidence.

Learn → interpret patterns, not outliers; guard against confirmation bias.

Update → revise your assumptions based on what you found. Then repeat.

Practice 11.9Interpreting Evidence
  1. You conduct eight customer interviews. Six of the eight interviewees describe a problem you had not previously considered — one that seems more severe than the problem you were originally planning to solve. How should you handle this finding? What would be the wrong response?
  2. A student surveys 50 people about her tutoring app. 45 say they "would definitely use it." She concludes the idea is validated. Identify two reasons why this conclusion may not be warranted. What additional evidence would actually validate the idea?
  3. Return to the assumption map you created in Practice 11.2. Based on any research you have conducted since then (interviews, observation, survey, or competitor study), mark each assumption as: confirmed, partially confirmed, challenged, or still unknown. Write one sentence of evidence behind each rating.

Chapter Summary

Key Terms Review

market research
The systematic process of gathering information about customers, competitors, and market conditions to support business decisions.
customer discovery
The early-stage process of testing business assumptions by talking to, observing, and learning from potential customers.
assumption
A belief about customers, markets, or operations that has not yet been confirmed with real evidence.
hypothesis
A specific, testable statement derived from an assumption that can be evaluated against real evidence.
riskiest assumption
The assumption that, if wrong, would cause the entire business concept to fail. Test this one first.
customer interview
A one-on-one conversation with a potential customer designed to learn about their experiences, behaviors, and problems.
the Mom Test
A framework for customer interviews that emphasizes asking about behavior and experience rather than opinions about your idea.
leading question
A survey or interview question that nudges respondents toward a particular answer, producing unreliable data.
field research
Research conducted in real-world settings by observing customers in the environments where the problem occurs.
ethnographic research
A qualitative approach involving immersive observation of customers in natural contexts to reveal patterns invisible from outside.
mystery shopping
The practice of using a competitor's product or service as a regular customer to gather firsthand experience data.
market segmentation
The process of dividing a broad market into subgroups based on shared demographic, geographic, psychographic, or behavioral characteristics.
target market
The specific, defined group of customers a business is designed to serve — not everyone, but a specific segment.
TAM / SAM / SOM
Total Addressable Market, Serviceable Addressable Market, and Serviceable Obtainable Market — three levels of market size estimation.
persona
A detailed, research-based description of a specific customer type, used to guide product design, marketing, and service decisions.
use case
A specific scenario describing how a customer uses a product or service in a real situation, from beginning to end.
affinity mapping
A technique for organizing qualitative research data by grouping related observations into thematic clusters.
confirmation bias
The tendency to favor information that confirms existing beliefs and dismiss information that contradicts them.

Business Math Practice

Exercise 1Market Sizing

You are researching a tutoring service for first-year college students at a university with 15,000 enrolled students. Based on survey data, approximately 40% of students are in their first year. Of first-year students, your research suggests 30% report feeling they need academic support but are not currently using any tutoring services.

  1. How many first-year students are enrolled at this university? First-year students = 15,000 × 0.40 = ?
  2. How many first-year students represent your potential target market? Target market = First-year students × 0.30 = ?
  3. If you could realistically serve 10% of that group in your first year, how many students would that be?
  4. If your service costs $30 per session and each student attends an average of 6 sessions per semester over two semesters, what is the total potential annual revenue from that 10% group? Revenue = (students served) × (sessions/year) × (price/session) = ?
Exercise 2Survey Response Analysis

You distribute a survey to 200 students via email and receive 54 responses. Your research suggests that female students respond at a rate of 35% and male students at 22%. The student body is 52% female and 48% male.

  1. What is your overall response rate? Response rate = responses received ÷ surveys sent = ?
  2. Based on the differential response rates, how many of your 54 responses would you expect from female students, and how many from male students? Show your calculation.
  3. Is this sample likely representative of the full student population? What concern does the differential response rate raise?
  4. What could you do to improve response rates or reduce potential bias in a future survey?

Case Study

The Frozen Burrito

In 2019, two college students — Jenna and Marcus — decided to launch a line of premium frozen burritos targeting college students. They spent six weeks developing flavors, packaging, and a brand identity before talking to any customers.

When they finally ran a survey, they found that only 15% of students on their campus had a microwave in their dorm room — a figure neither of them had thought to check, because both lived in off-campus apartments with full kitchens.

They also learned from interviews that the most common barrier to eating well was not access to frozen food but access to affordable fresh ingredients that did not require much time to prepare. Students were not asking for frozen burritos. They were asking for grab-and-go options from the campus cafeteria that did not cost $12.

Jenna and Marcus had spent six weeks building a product before testing their most basic assumption: that their target customer had the means to use it.

Discussion Questions
  1. What were Jenna and Marcus's riskiest assumptions, and when should they have tested them?
  2. What specific research methods would have surfaced the microwave problem before they invested six weeks in development?
  3. Based on the interview findings, what opportunity might exist that is different from their original idea?
  4. What should they do next, given what they now know? Should they pivot, stop, or continue? Explain your reasoning.

Ethics and Decision Point

Ethics Scenario
The Privacy Request

You are conducting customer interviews for a new study app targeting high school students. During one interview, a 17-year-old student tells you that her biggest problem is that her parents check her phone every night to see what she has been doing, which stops her from studying with friends online after 9 PM. She asks if your app could be designed to hide activity from parental monitoring — to show different usage data to parents than what is actually happening.

  1. What ethical concerns does this request raise? Consider the user's age, parental authority, and the intent of the feature.
  2. Does building this feature create any legal exposure for your business? Research briefly and describe what laws might be relevant.
  3. As an entrepreneur, how do you balance genuine customer feedback with ethical responsibility? Does the fact that this came from real customer research change your obligation?
  4. What would you do with this information? Write a one-paragraph response explaining your decision and reasoning.

Applied Practice

Choose a business idea you are developing. Complete each step below.

  1. Write down five assumptions underlying your business idea. Identify which one you consider the riskiest and explain why.
  2. Convert each assumption into a specific, testable hypothesis.
  3. Design a five-question customer interview guide targeting your riskiest assumption. All five questions must ask about past behavior or experience — no hypotheticals.
  4. Identify three direct competitors and three indirect competitors for your idea.
  5. Define your target market using at least two segmentation dimensions. Explain why you chose those dimensions.
  6. Create a brief one-paragraph persona for your primary target customer. Include name, relevant background, a key frustration, and a representative quote in their voice.

Entrepreneurship Portfolio Checkpoint

Customer Discovery Report
Portfolio Item · Chapter 11 · Business Foundations and Entrepreneurship
Part 1 — Assumption Map
  1. List at least ten assumptions underlying your business concept. Star the three you consider most risky.
Part 2 — Research Plan
  1. Describe the research methods you will use (or have used) to test your top three assumptions. Be specific: how many interviews, what kind of survey, which competitors you will study.
Part 3 — Interview Summary
  1. Conduct at least three customer interviews. Write a one-paragraph summary of each, including key quotes and surprises.
Part 4 — Competitor Profile
  1. Profile two direct competitors and one indirect competitor. For each: describe their product or service, pricing, target customer, key strengths, and key weaknesses.
Part 5 — Target Market Statement
  1. Write a two- to three-sentence statement defining your target market using specific segmentation dimensions.
Part 6 — Primary Persona
  1. Create a full persona for your primary customer type. Include name, demographics, goals, frustrations, current behavior, decision factors, and a representative quote.
Part 7 — Updated Assumptions
  1. Return to your original assumption map. Mark each assumption as confirmed, partially confirmed, challenged, or still unknown. Write one to two sentences explaining the evidence behind each rating.

Review Questions

  1. What is the difference between an assumption and a hypothesis in the context of customer discovery?
  2. What makes customer interviews more powerful than surveys for early-stage research?
  3. What does the Mom Test recommend, and why does it lead to more reliable information?
  4. Name three common survey design mistakes and explain what makes each problematic.
  5. What is ethnographic research, and how does it differ from a standard customer survey?
  6. Why is competitor research important even for highly original ideas?
  7. What is market segmentation, and why is it important for early-stage ventures?
  8. What is the difference between a persona and a customer segment?
  9. What is confirmation bias, and how can it distort interpretation of research data?
  10. What does "riskiest assumption first" mean, and why does it save time and money?

Short Answer Questions

  1. A friend tells you she has done market research by posting a poll on her Instagram story and getting 60 responses. What are three concerns you would raise about the quality of this research, and how could it be improved?
  2. Two entrepreneurs are designing a mobile app to help dog owners find local off-leash areas. Describe two observation-based research methods they could use. What might they learn from observing that they might not learn from a survey?
  3. You conduct ten customer interviews and discover that eight interviewees describe a problem you had not previously considered — a problem that seems more severe than the one you were originally planning to solve. How should you handle this finding? What would you do next?

Discussion Questions

  1. Many successful companies were built on ideas that experts said customers would not want — online shopping, smartphones without keyboards, renting a room in a stranger's home. Does this mean customer research is unreliable? How do you reconcile this with the argument that research reduces risk?
  2. Is it ethical to conduct market research without telling participants that you are an entrepreneur studying the problem you plan to build a business around? Are there situations where disclosure would change how participants respond — and is that a reason to withhold it?
  3. Some customer discovery experts argue you should talk to customers before you have any product or solution in mind. Others argue you need at least a rough concept to give people something to react to. Which approach do you think is better, and in what contexts might each be more appropriate?

Mini Project: Field Research in Action

Identify a specific location where a customer problem you are interested in plays out in daily life — a long line, a confusing checkout process, a chaotic pickup zone, a distracting study environment. Spend at least 30 minutes observing the situation. Take detailed notes. Do not intervene or conduct interviews — only watch.

After your observation, write a one-page field research report that includes:

  1. Description of the location, time, and conditions
  2. What you observed: behaviors, workarounds, moments of frustration or success
  3. What surprised you
  4. What questions your observation raised that you would want to answer through interviews or surveys
  5. One insight that could inform a business idea, explained in two to three sentences

Chapter Reflection

Before You Go

Customer discovery asks you to set aside your own assumptions and genuinely listen to the people you hope to serve. This is harder than it sounds. Entrepreneurs are often passionate about their ideas, which makes it difficult to hear evidence that challenges them.

Consider: have you ever worked hard on something — a school project, a personal creative effort, a plan with friends — only to discover that others saw it very differently than you did? How did you respond? What did you do with that information?

The skill of staying curious and genuinely open to evidence that challenges your assumptions is one of the most important skills you can develop — not just in entrepreneurship, but in any profession where decisions affect other people. Customer discovery is practice for that skill.

Looking Ahead
Chapter 12: Prototypes, Testing, and Minimum Viable Products

Chapter 11 gave you the tools to learn about customers before you build. Chapter 12 will teach you how to build and test your first version of a product or service — quickly and cheaply enough to learn from it before investing deeply in a single approach. You will learn the difference between a prototype and a finished product, why minimum viable products save time and money, and how to use customer feedback to iterate toward something that works.

MGU Library Connection
  • Chapter 10: From Idea to Opportunity — opportunity screening and feasibility tools that precede customer discovery
  • Chapter 12: Prototypes, Testing, and Minimum Viable Products — the next step after customer discovery
  • Appendix: Sample Customer Interview Guide and Sample Survey Questions
  • Appendix: Business Plan Template — Customer and Market Evidence section
  • MGU Dictionary entries: market research, customer discovery, persona, market segmentation, hypothesis