Product Ideation Process: Evidence Scorecard and Workshop
Generate product ideas from customer evidence, score them by consequence, reach, feasibility, and testability, then leave the workshop with one owned experiment.

Product ideation is the process of turning customer, market, operational, and technical evidence into candidate product opportunities, then selecting the next assumption to test.
The goal is not the longest list of ideas. It is a traceable decision: which customer problem deserves which small experiment, and why?
Start with evidence inputs
Bring source material into the session:
- Recent customer interviews about actual events.
- Support, sales, churn, and onboarding records.
- Product behavior with stable definitions.
- Current alternatives and competitor workflows.
- Operational failure and delivery-cost records.
- Technical, security, legal, and regulatory constraints.
- Company strategy and current capability.
Separate observations from interpretations.
| Observation | Interpretation to test |
|---|---|
| Four agency owners rebuilt the approved scope in spreadsheets before kickoff | Scope-to-capacity translation may be a repeated product job |
| Two prospects declined because procurement required SSO | SSO may be a segment gate, not general demand evidence |
| Users click the forecast tab but do not return | Interest, confusion, or low value—cause unknown |
Use customer validation to distinguish reported pain, observed behavior, commitment, and repeat use.
Define the ideation challenge
Write a bounded “How might we” question:
How might we help [specific customer] after [trigger] achieve [observable outcome] while respecting [important constraint]?
Example:
How might we help five-to-20-person agencies convert an approved project scope into a capacity-aware 30-day plan without requiring a new project-management system?
Avoid questions that contain the solution: “How might we build an AI scheduling dashboard?” already narrows the answer before the job is understood.
Run a 90-minute product ideation workshop
Minutes 0–15: Align on evidence
Review the customer, trigger, current workflow, consequence, and contradictions. Participants silently mark facts, assumptions, and missing evidence.
Output: one agreed problem statement and a list of unresolved questions.
Minutes 15–30: Map the current job
List the steps from trigger to outcome. Mark delay, error, judgment, handoff, and emotional or financial consequence.
Output: the part of the job the product might improve.
Minutes 30–45: Generate options independently
Each participant writes several distinct mechanisms, including:
- Remove a step.
- Change who performs it.
- Deliver the result manually.
- Standardize the input.
- Detect an exception.
- Embed in an existing tool.
- Change the timing or unit of value.
Independent generation reduces early anchoring around the loudest proposal.
Minutes 45–60: Combine and sharpen
Group ideas by the customer result, not by technology. Rewrite each as:
For [customer] at [trigger], [mechanism] produces [result], which we believe changes [behavior or outcome].
Minutes 60–75: Score evidence and risk
Use the scorecard below. Mark confidence and the riskiest assumption.
Minutes 75–90: Select a test
Choose one or two experiments, assign an owner, define a decision rule, and schedule the next review.
An ideation workshop without a test owner is a conversation, not a product process.
Use an evidence-weighted scorecard
Score each factor from 0 to 3 and add confidence: A for direct evidence, B for credible indirect evidence, C for assumption.
| Factor | 0 | 3 |
|---|---|---|
| Customer consequence | Preference only | Meaningful time, money, risk, or blocked outcome |
| Frequency or timing | Rare/unknown | Repeats at an important interval or trigger |
| Customer reach | Target unclear | Qualified users and buyers are directly reachable |
| Current workaround | No evidence | Repeated spending or material effort |
| Commitment evidence | Compliments | Payment, real data, implementation, or repeat behavior |
| Strategic fit | Distracts from current direction | Strengthens the company's chosen wedge |
| Delivery feasibility | Major unresolved dependency | Bounded result can be delivered now |
| Testability | Months to learn | Decisive test in days or weeks |
| Repeatability | Every case differs | Similar input, trigger, and result recur |
A 3C is weaker than a 2A. Totals do not decide automatically; they expose assumptions.
Use the what-business-should-I-start framework when comparing whole business models. This page is narrower: selecting a product opportunity within a customer and strategic context.
Map the assumptions
For the top idea, list assumptions under:
- Desirability: customer problem, value, behavior, willingness to switch.
- Feasibility: technical, operational, safety, data, and skill.
- Viability: price, acquisition, delivery cost, margin, and scale.
- Permission: legal, regulatory, contractual, privacy, and ethical boundaries.
Rate importance and evidence.
| Assumption | Importance | Evidence strength | Next test |
|---|---|---|---|
| Agency owner can supply a structured scope | High | Medium | Observe ten recent scopes |
| Conflict list changes staffing action | High | Low | Manual concierge workflow |
| Result fits current tools | Medium | Low | Prototype and integration interview |
Test high-importance, low-evidence assumptions first.
Choose the right experiment
| Unknown | Useful test |
|---|---|
| Problem and current behavior | Recent-event interviews and artifact review |
| Interaction | Paper or clickable prototype |
| Technical mechanism | Proof of concept |
| Willingness to commit | Paid pilot, preorder, or real workflow input |
| Manual delivery | Concierge MVP |
| Repeat value | Second eligible use or renewal |
| Acquisition | Qualified sourced batch with a real offer |
The MVP examples hub helps match a live experiment to the riskiest assumption.
Create an idea output card
Every selected idea should leave the workshop with:
Customer and moment
Who experiences the problem, after what trigger, and who decides?
Current evidence
Links to observations, artifacts, metrics, and contradictions.
Proposed result
What complete customer outcome changes?
Mechanism
How might the product produce the result without assuming a full feature set?
Riskiest assumption
Which single claim would most damage the plan if false?
Experiment
Participant, action, evidence, time/cash limit, guardrails, and owner.
Decision rule
What result supports continue, revise, or stop?
Non-goals
What will not be built or decided in this cycle?
Prioritize a portfolio, not isolated feature scores
Several high-scoring ideas may compete for the same team and customer. Compare:
- Contribution to the current company outcome.
- Shared customer and workflow.
- Dependencies.
- Learning overlap.
- Work-in-progress cost.
- Obligations and risks.
Select fewer active tests than the team can theoretically start. Finished learning is more useful than a backlog of exciting concepts.
Common product ideation mistakes
Starting from technology
AI, automation, blockchain, or an integration may be mechanisms. They are not customer evidence.
Voting without criteria
Dot votes reveal preference. Use the evidence scorecard and decision owner to evaluate why an idea deserves a test.
Fictional personas and cases
Do not invent a named customer story to make the workshop feel concrete. Use anonymized, permissioned evidence or clearly labeled hypothetical examples.
Ignoring contradictions
An idea becomes stronger when the non-fit segment and boundary are explicit.
Feature output instead of experiment output
The workshop should end with a hypothesis and test, not a roadmap promise.
Treating every idea as software
A service, workflow, policy, content tool, or operational change may test the value before code.
No permission review
Data, AI, health, finance, employment, children, and regulated workflows can require professional review before testing.
Product ideation works when every idea retains its evidence trail. Define the customer moment, generate multiple mechanisms, score the opportunity honestly, and invest first in the experiment most likely to change the decision.

Martin Bell
Founder of 100 Tasks. Martin Bell has launched or supported 120+ startups and turned Rocket Internet venture-building discipline into a step-by-step system used by 25,000+ founders and startups.


