Candidate handbook
CPDX candidate handbook
Certified Product Discovery Expert
Everything that applies to the CPDX certification exam: what it covers, how the exam works, how it is scored and where to study.
Blueprint version 1, published on August 25, 2026. Study guide, edition 2026.1.
What the certification attests
For those who decide on scarce evidence: framing the problem, quality of evidence, demand signals and the choice to carry on, stop or drop it.
You decide what goes into the product plan
And you have to defend the decision to whoever asked for something else, with the argument for why the available evidence is enough, or is not.
You have done discovery and watched it fail
The research confirmed the problem, the team built, and nobody used it. Evidence about the problem was never evidence about the solution.
You want a credential that is not about a tool
PMCert is vendor-neutral: what is verified here holds at any company, with any research software.
Prerequisite
None. You can take the certification exam directly.
Certification exam format
- Questions
- 50
- Duration
- 60 min
- Pass mark
- 70%
- Languages
- English, Portuguese, Spanish
The pass mark is fixed: you pass with 70% correct answers, with no curve and no comparison with other candidates.
Domains and weights
Questions are drawn for every certification exam, always in this proportion. The weights are the same the exam engine uses.
| Domain | Questions | Weight | Where to study |
|---|---|---|---|
1. Problem framing and opportunity definition Separating the problem from the solution the customer has already formulated. Frequency is not severity, and a problem statement is only useful if it can be wrong. | 8 | 16% | Guide CPDX, chapter 4, Framing the problem and defining the opportunity |
2. Quality, sufficiency and independence of evidence How much evidence a decision requires, and when three agreeing sources are just one source repeated three times. | 8 | 16% | Guide CPDX, chapter 5, Quality, sufficiency and independence of evidence |
3. Collecting from people: interviews, observation and response bias Why “would you use this?” tells you nothing, and what to ask instead. Reports and records diverge, and the distance between them is the finding. | 7 | 14% | Guide CPDX, chapter 6, Fieldwork with people: interview, observation and response bias |
4. Participant selection and representativeness Who you listened to decides what you will conclude. Saturation is a property of each segment, not of the whole study. | 6 | 12% | Guide CPDX, chapter 7, Selection of participants and representativeness |
5. Demand signals, willingness to pay and false positives The cost ladder of a signal, from a click to prepayment. A waiting list measures interest in the promise, not willingness to pay. | 7 | 14% | Guide CPDX, chapter 8, Demand signals, willingness to pay and false positives |
6. Deciding under uncertainty: proceed, pause or drop Cost of being wrong and reversibility are what set how much evidence is enough. Deciding not to build is a result, and it needs recording. | 8 | 16% | Guide CPDX, chapter 9, Decision under uncertainty: proceed, stop or discard |
7. Discovery as a continuous operation Why a month of research before the quarter does not support the decisions that appear during the build, which are the ones that change the outcome. | 6 | 12% | Guide CPDX, chapter 10, Discovery as a continuous practice |
Certification exam rules
- Format
- Online certification exam, in your browser, with no scheduling and no exam centre. Questions describe work situations and ask for a decision. Some ask for more than one option, and the screen tells you how many.
- Time
- The clock runs on the server and starts when you open the certification exam. It does not pause: reloading the page, switching devices or closing the browser does not give time back. When time runs out, the exam is submitted with what you have answered.
- Navigation
- You can go back, change answers and flag questions for review. Before you finish, a screen shows what is answered, flagged and blank.
- Scoring
- Your score is compared with the pass mark, with no curve. A blank question counts as wrong, and multiple-answer questions get no partial credit.
- Result
- Immediate, with your score for each domain. It is kept in your account and does not appear on the certificate or the public profile.
- Voucher
- Each voucher is worth one attempt and is used when the certification exam is opened. A voucher bought on the site never expires. Whoever types the code takes the exam, so treat the code like a ticket.
- New attempt
- There is no waiting period and no limit. Each attempt uses a voucher, and questions are drawn again. If you do not pass, you get a 50% coupon for the same certification, valid for 90 days.
- Refund
- Within 14 days of purchase, if the voucher has not been used, through the same payment method.
- Technical problem
- Come back through the same address: the certification exam resumes with the same questions and the answers already saved. If a platform failure compromises your exam, a new attempt is released at no cost.
- Credential
- Issued when you pass, with a public verification code. It never expires and has no renewal or annual fee.
- Revocation
- A credential can be revoked for fraud, disclosure of questions, false identity, misleading use or administrative error. The code remains searchable and shows the revocation.
- Integrity
- The certification exam is individual and closed book, including artificial intelligence assistants. There is no camera, microphone or screen recording. Signals such as time per question and loss of window focus lead to human review, and no signal fails anyone on its own.
- Accessibility
- The certification exam screen works with keyboard and screen reader. Extended time of 25% or 50% is requested at checkout or in the account, in Certification exams, before using the voucher. For another adjustment, write to [email protected].
Where to study
The official guide indicates 48 hours of study, in paths of 8 weeks (appendix D of the guide).
Short on time? Study by weight: the domains below are in the order of how much they count in the certification exam.
- Problem framing and opportunity definition (16%)
- Quality, sufficiency and independence of evidence (16%)
- Deciding under uncertainty: proceed, pause or drop (16%)
- Collecting from people: interviews, observation and response bias (14%)
- Demand signals, willingness to pay and false positives (14%)
- Participant selection and representativeness (12%)
- Discovery as a continuous operation (12%)