Inspired
Marty Cagan, SVPG
A product leadership reference for discovering and delivering technology products customers value.
Product ManagerDelivery Lead
Open resourceUse the library as a reference shelf, not a reading queue.
Filter by format when you know what you need, or use the suggested first reads when you are building discovery confidence.
56resources shown
New to product discovery?
Continuous Discovery Habits
Teresa Torres, Product Talk
A practical guide to building a sustainable cadence of customer discovery and product decision-making.
Product ManagerDesignerBA
Open resourceEscaping the Build Trap
Melissa Perri, O'Reilly
A product management book about shifting organizations from output-focused delivery to outcome-focused product work.
Product ManagerDelivery Lead
Open resourceThe Mom Test
Rob Fitzpatrick
A concise guide to asking better customer questions and avoiding misleading validation conversations.
BAProduct ManagerDesigner
Open resourceLean UX
Jeff Gothelf and Josh Seiden
A guide to collaborative product design, assumption testing, and learning through lightweight experiments.
DesignerProduct ManagerDelivery Lead
Open resourceUser Story Mapping
Jeff Patton
A practical approach for mapping user journeys and keeping delivery conversations connected to user outcomes.
BAProduct ManagerDelivery Lead
Open resourceBusiness Analysis Techniques
James Cadle, Debra Paul, and Paul Turner
A broad reference of business analysis tools and techniques for understanding context, requirements, and change.
BADelivery Lead
Open resourceOpportunity Solution Trees
Teresa Torres, Product Talk
A visual discovery framework for connecting outcomes, opportunities, solutions, and experiments.
Product ManagerDesignerBA
Open resourceJobs To Be Done Theory
Christensen Institute
A lens for understanding the circumstances and forces behind why people choose products and services.
BAProduct ManagerDesigner
Open resourceNielsen Norman Group UX Research Articles
Nielsen Norman Group
Research-backed UX articles covering interviews, usability testing, research methods, journey mapping, and more.
BADesignerProduct Manager
Open resourceAtlassian Team Playbook
Atlassian
Workshop plays and team practices for alignment, role clarity, prioritization, and delivery collaboration.
Delivery LeadProduct ManagerBA
Open resourceRoman Pichler Product Management Tools
Roman Pichler
Official product strategy, roadmap, persona, and vision board templates from Roman Pichler.
Product ManagerBADelivery Lead
Open resourceProduct Roadmap Guide
ProductPlan
A practical overview of product roadmaps, why they matter, and how they support stakeholder alignment.
Product ManagerDelivery LeadBA
Open resourceWhen to Use Which UX Research Method
Nielsen Norman Group
A concise research-methods reference for matching discovery questions to the right UX research approach.
DesignerProduct ManagerBA
Open resourceUser Interviews 101
Nielsen Norman Group
Primary guidance on what interviews reveal and how to run them well. Related method: User Interviews.
BAProduct ManagerDesigner
Open resourceWriting an Effective Guide for a UX Interview
Nielsen Norman Group
Practical guide structure for turning learning goals into interview questions. Related method: User Interviews.
BAProduct ManagerDesigner
Open resourceUsing in-depth interviews
GOV.UK Service Manual
Public-service research guidance for planning and running interview sessions. Related method: User Interviews.
BAProduct ManagerDesigner
Open resourceFocus Groups 101
Nielsen Norman Group
Explains when focus groups help and where group bias makes them risky. Related method: Focus Group Discussions.
BAProduct ManagerDesigner
Open resourceResearching in small group workshops
GOV.UK Service Manual
Useful when group discussion is meant to reveal shared experience or decision behavior. Related method: Focus Group Discussions.
BAProduct ManagerDesigner
Open resourceContextual research and observation
GOV.UK Service Manual
Practical guidance for observing people in their real work or service context. Related method: Field Observation and Contextual Inquiry.
BAProduct ManagerDesigner
Open resourceContextual Inquiry
Nielsen Norman Group
Method guidance for combining observation with inquiry in the user's context. Related method: Field Observation and Contextual Inquiry.
BAProduct ManagerDesigner
Open resourceField Studies
Nielsen Norman Group
Clarifies field study types, including direct observation and contextual inquiry. Related method: Field Observation and Contextual Inquiry.
BAProduct ManagerDesigner
Open resourceStakeholder Interviews 101
Nielsen Norman Group
Primary method guidance for learning business goals, processes, pain points, and priorities. Related method: Stakeholder and Expert Interviews.
BAProduct ManagerDesigner
Open resourceStakeholder Analysis for UX Projects
Nielsen Norman Group
Helps identify which stakeholders matter and how their influence affects discovery. Related method: Stakeholder and Expert Interviews.
BAProduct ManagerDesigner
Open resourceHow to Collaborate with Stakeholders in UX Research
Nielsen Norman Group
Useful when stakeholder participation and buy-in affect research quality. Related method: Stakeholder and Expert Interviews.
BAProduct ManagerDesigner
Open resourceShould You Run a Survey?
Nielsen Norman Group
Helps decide whether a survey is appropriate or likely to produce weak evidence. Related method: Surveys.
BAProduct ManagerDesigner
Open resourceWriting Good Survey Questions: 10 Best Practices
Nielsen Norman Group
Directly supports writing unbiased, usable survey questions. Related method: Surveys.
BAProduct ManagerDesigner
Open resourceHow to Run Surveys at Every Stage of the Design Cycle
Nielsen Norman Group
Shows where surveys fit across discovery, evaluation, and live-product learning. Related method: Surveys.
BAProduct ManagerDesigner
Open resourceUsability Testing 101
Nielsen Norman Group
Primary method guidance for observing task completion, errors, and opportunities. Related method: Usability Testing.
BAProduct ManagerDesigner
Open resourceUsing moderated usability testing
GOV.UK Service Manual
Practical session guidance for moderated testing with prototypes or live services. Related method: Usability Testing.
BAProduct ManagerDesigner
Open resourceWhy You Only Need to Test with 5 Users
Nielsen Norman Group
Useful sample-size framing for small, iterative qualitative usability testing. Related method: Usability Testing.
BAProduct ManagerDesigner
Open resourceUX Prototypes: Low Fidelity vs. High Fidelity
Nielsen Norman Group
Helps choose the right prototype fidelity for the question being tested. Related method: Prototype and Concept Testing.
BAProduct ManagerDesigner
Open resourceUX Research Methods Glossary
Nielsen Norman Group
Includes prototype testing and concept testing definitions for method clarity. Related method: Prototype and Concept Testing.
BAProduct ManagerDesigner
Open resourceIterative Design and Prototype Testing Case Study
Nielsen Norman Group
Shows how prototype testing can support iterative product decisions. Related method: Prototype and Concept Testing.
BAProduct ManagerDesigner
Open resourceThe Design Sprint
GV
Primary GV explanation of the five-day sprint process for prototyping and testing ideas. Related method: Design Sprint.
BAProduct ManagerDesigner
Open resource5-Day UX Design Sprint
Google Design
Google's design-sprint context for rapid prototyping and user testing. Related method: Design Sprint.
BAProduct ManagerDesigner
Open resourceJourney Mapping 101
Nielsen Norman Group
Primary guidance on what journey maps are and how they represent user experience over time. Related method: Journey Mapping.
BAProduct ManagerDesigner
Open resourceCreating an experience map
GOV.UK Service Manual
Practical service-research guidance for turning user experience evidence into a map. Related method: Journey Mapping.
BAProduct ManagerDesigner
Open resourceResearching user experiences
GOV.UK Service Manual
Supports collecting the event-level evidence needed before mapping a journey. Related method: Journey Mapping.
BAProduct ManagerDesigner
Open resourceCard Sorting: Uncover Users' Mental Models
Nielsen Norman Group
Primary method guidance for using card sorting to shape information architecture. Related method: Card Sorting.
BAProduct ManagerDesigner
Open resourceCard Sorting vs. Tree Testing
Nielsen Norman Group
Clarifies when card sorting discovers groupings versus when tree testing validates them. Related method: Card Sorting.
BAProduct ManagerDesigner
Open resourceCard Sorting: How Many Users to Test
Nielsen Norman Group
Sample-size guidance for card sorting studies. Related method: Card Sorting.
BAProduct ManagerDesigner
Open resourceTree Testing
Nielsen Norman Group
Primary method guidance for testing findability in a proposed navigation structure. Related method: Tree Testing.
BAProduct ManagerDesigner
Open resourceInterpreting Tree Test Results
Nielsen Norman Group
Helps analyze success, directness, and path behavior after a tree test. Related method: Tree Testing.
BAProduct ManagerDesigner
Open resource10 Usability Heuristics for User Interface Design
Nielsen Norman Group
The core heuristic set used for expert usability review. Related method: Heuristic Evaluation.
BAProduct ManagerDesigner
Open resourceHow to Conduct a Heuristic Evaluation
Nielsen Norman Group
Practical guidance for conducting the review and recording findings. Related method: Heuristic Evaluation.
BAProduct ManagerDesigner
Open resourceHeuristic Evaluation Workbook
Nielsen Norman Group
Downloadable worksheet for recording heuristic violations and recommendations. Related method: Heuristic Evaluation.
BAProduct ManagerDesigner
Open resourceMeasuring the User Experience on a Large Scale
Google Research
Primary HEART framework paper for connecting product goals to UX metrics. Related method: Analytics and Funnel Analysis.
BAProduct ManagerDesigner
Open resourceFunnel exploration
Google Analytics Help
Tool-specific guidance for analyzing task completion and drop-off through funnel steps. Related method: Analytics and Funnel Analysis.
BAProduct ManagerDesigner
Open resource3 Uses for Analytics in User Experience Practice
Nielsen Norman Group
Explains how analytics can complement qualitative UX research and product decisions. Related method: Analytics and Funnel Analysis.
BAProduct ManagerDesigner
Open resourceAnalyse a research session
GOV.UK Service Manual
Practical guidance for organizing raw evidence into useful findings. Related method: Support Ticket, Complaint, and App Review Analysis.
BAProduct ManagerDesigner
Open resourceTaking notes and recording user research sessions
GOV.UK Service Manual
Useful for collecting evidence from calls, support conversations, screenshots, and artifacts responsibly. Related method: Support Ticket, Complaint, and App Review Analysis.
BAProduct ManagerDesigner
Open resourceUser-Feedback Requests: 5 Guidelines
Nielsen Norman Group
Relevant for interpreting and designing feedback channels without interrupting user tasks. Related method: Support Ticket, Complaint, and App Review Analysis.
BAProduct ManagerDesigner
Open resourceA/B Testing 101
Nielsen Norman Group
Primary method guidance for controlled live-traffic comparisons. Related method: A/B Testing and Controlled Experiments.
BAProduct ManagerDesigner
Open resourcePutting A/B Testing in Its Place
Nielsen Norman Group
Explains the limits of A/B testing and when it should not drive decisions alone. Related method: A/B Testing and Controlled Experiments.
BAProduct ManagerDesigner
Open resourceDefine Stronger A/B Test Variations Through UX Research
Nielsen Norman Group
Shows how qualitative UX research can make experiment variants more meaningful. Related method: A/B Testing and Controlled Experiments.
BAProduct ManagerDesigner
Open resource