BU 423 Unit 2 customer problem validation record example

Seven Contractors Described It, Two Farmers Did Not: A Customer Problem Validation Record for a Composite Mobile Hydraulic Hose Service in Central Iowa

Student Name

Business, Herzing University

BU 423: Entrepreneurial Strategy

Instructor Name

January 28, 2026

Seven Contractors Described It, Two Farmers Did Not: A Customer Problem Validation Record for a Composite Mobile Hydraulic Hose Service in Central Iowa

The Claim Under Test

The opportunity screen chose a mobile van that builds and fits replacement hydraulic hoses at the machine, for a composite founder in Ames, Iowa. It left one question open: is the problem real, and for whom? This record tests the claim as a sentence someone could disagree with.

Claim: Excavation and site-work contractors with three or more machines, and grain farms of more than 1,000 acres, within an hour of Ames, have lost at least half a working day of machine time to a single hydraulic hose failure in the past twelve months, and at least some of them have already paid someone to come to the machine.

The claim has two buyer groups because the screen could not separate them. It is written so that it can fail: if most of the people interviewed cannot recall a recent failure, or recall one that cost them less than an hour, the claim is unsupported.

How the Conversations Were Run

Fifteen people were interviewed in January 2026: nine contractor owners or shop foremen and six farm operators. Eleven came from the founder's contacts at the dealer parts counter and four from a county contractors' association breakfast. That source is a limitation, since people who once bought hoses from the founder may be more willing to describe hose trouble, and it is noted again in the verdict.

Following advice from Fitzpatrick (2013) to ask about past behavior rather than opinions of an idea, the founder did not describe the van until the end of each conversation. The same five questions were asked each time:

1. Tell me about the last time a hydraulic hose failed on one of your machines. 2. What did you do, step by step, to get it running again? 3. How long was the machine down, and who was waiting on it? 4. Have you ever paid anyone to come to the machine to fix a hose, and what did it cost? 5. What else have you tried to avoid this happening?

Only after the fifth answer did the founder describe the service and ask whether the person would like to be called when it launched. Answers to that last question are recorded separately, because agreeing that a service sounds useful is not evidence that the problem exists.

The Conversation Log

Each row records one conversation. The quotation is the person's own description of the problem, lightly shortened. Downtime is the person's estimate for the most recent failure.

What the Log Shows

The claim has two parts, and the two groups answer them differently. Among the nine contractors, eight could describe a specific failure in the past year, and seven of those eight reported downtime of four hours or more, meeting the half-day threshold. Four had paid a dealer service truck to come out at least once, and one gave a price of $300 for a single visit. The only contractor who did not fit, number 7, has 14 machines and an in-house mechanic, which suggests the problem shrinks as a firm grows large enough to employ one.

Among the six farmers, the picture is weaker. Two, numbers 10 and 13, described harvest failures that met the threshold, and both had paid a dealer truck. The other four either keep spare hoses for common failures, fix their own machines or recalled downtime of two hours or less. Farms still matter at harvest, but on this evidence the problem is concentrated in a few weeks of the year and in the larger operations.

The last question, whether people wanted to hear when the service launched, drew a yes from 13 of 15. That figure is recorded but carries little weight. Farmers 11 and 15, who have no problem to speak of, both said yes. Blank and Dorf (2012) warn that polite interest in an idea is the most common false signal in customer discovery, and this log shows why.

Verdict and What the Evidence Does Not Show

The claim is supported for contractors with roughly three to eleven machines and not yet supported for farms. Seven of nine contractors met every part of it, while only two of six farmers did. The venture should therefore treat contractors as its first buyers and farms as a possible harvest-season addition, to be tested again in September.

Several things remain unknown. Fifteen conversations drawn mostly from the founder's own contacts cannot show how common the problem is across all contractors near Ames, and they may overstate it. The record says nothing yet about price: the one $300 figure shows that some buyers pay, not what most would pay. It does not show whether contractors who drive a hose to the dealer would switch to a new, unknown supplier. Camuffo et al. (2020) found that startups taught to treat such questions as hypotheses to test made more decisive choices about whether to continue, change or stop, and these open questions become the tests for the model and market units ahead. The founder, the fifteen interviewees and their answers are composites written for this course.

References

Blank, S., & Dorf, B. (2012). The startup owner's manual: The step-by-step guide for building a great company. K&S Ranch.

Camuffo, A., Cordova, A., Gambardella, A., & Spina, C. (2020). A scientific approach to entrepreneurial decision making: Evidence from a randomized control trial. Management Science, 66(2), 564-586. https://doi.org/10.1287/mnsc.2018.3249

Fitzpatrick, R. (2013). The mom test: How to talk to customers and learn if your business is a good idea when everyone is lying to you. CreateSpace Independent Publishing Platform.