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Product Manager's Guidebook
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  • Guidebook
    • Welcome
    • Contribute
    • Donate
  • Prelude
    • A Note From The Author
    • How To Use This Guide
  • Introduction
    • Overview
    • What is a Product Manager?
      • Roles and Responsibilities of a Product Manager
      • The Product Mindset
      • Understanding the Product Management Lifecycle
      • Different Types of Product Managers
    • Product Team Structures
      • Stakeholders, Leadership, and the Company
      • Cross-Functional Product Team
      • Differences between Project, Program, and Product Management
  • People Skills
    • Overview
    • Communication
      • Knowing Your Audience
      • Elements of Persuasion and Motivation
      • The Art of Storytelling
      • Effective Meeting Management
      • Delivering Presentations and Demos
    • Building Relationships
      • Collaboration Cadence and Tools
      • Team Agreements and Purpose
      • Understanding Business Problems
      • Managing Expectations
      • Communicating Progress
    • Leadership
      • Cross-Functional Leadership
      • Applied Motivation and Getting Buy-In
      • Giving and Receiving Feedback
      • Aligning Product Mission, Vision, and Strategy
      • Sharing Impact and Outcomes
  • Process Skills
    • Overview
    • Strategy
      • Objective Setting
      • Prioritization
      • Roadmapping
    • Discovery
      • Problem Research and Definition
      • Customer Discovery and Research
      • Solution Design and Validation
    • Development
      • Writing and Using Product Requirements
      • Concepts through Designing
      • Working with Designers
      • Development Execution and Methodologies
      • Working with Engineers
      • Scoping and Writing User Stories
      • Technical Debt Management
    • Delivery
      • Roll-out and Release Management
      • Assessing Assumptions, Risk, and Issues
      • Measuring Product Launch Success
      • Marketing and Communications
      • User Activation
    • Optimization
      • Iterative Development and Learning
      • Streamlining Processes and Experiences
  • Knowledge Skills
    • Overview
    • Understanding the Customer
      • Customer Segmentation and Targeting
      • User Research Methods
      • Understanding Customer Pain Points
      • User Personas Development
      • User Behavior and Psychology
      • Acquiring and Retaining Customers
    • Data-Driven Decisions
      • The Role of Data in Product
      • Data Analysis and Interpretation
      • Identifying and Understanding Assumptions
      • Formulating Your Hypotheses
      • Selecting a Hypothesis for Testing
      • Navigating Signal Metrics to Define KPIs for Hypothesis Testing
      • Testing Your Hypothesis
      • Upholding Data Privacy and Ethics
    • Domain Knowledge
      • Competitive Analysis and Industry
      • Achieving Product-Market Fit
      • Technology and Innovation
      • Aligning with the Company
    • Business Understanding
      • Organizational Values, Objectives, and Priorities
      • Long-Term Planning
      • Business Model Fit
      • Monetization Strategy
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  • Practical Exercise
  • Related Research Topics
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  1. Knowledge Skills
  2. Data-Driven Decisions

Identifying and Understanding Assumptions

PreviousData Analysis and InterpretationNextFormulating Your Hypotheses

Last updated 1 month ago

For Product Managers, identifying and understanding assumptions is a crucial exercise in self-awareness and analytical thinking. Assumptions can be deeply ingrained and invisible, often going unchallenged until they are explicitly examined. Understanding why these assumptions are made, and their impact on product decisions, is fundamental to avoiding pitfalls in product strategy.

Example

Consider a Product Manager at YouTube tasked with improving user engagement on the platform. They start by identifying assumptions about user behavior. The PM might assume that users prefer bite-sized content due to the proliferation of short video platforms. Another assumption could be that the majority of users access the platform for entertainment rather than education or professional development.

To challenge these assumptions, the PM examines user engagement data across different content lengths and categories. They find that, contrary to their assumptions, there is a significant and growing engagement with educational and professional development content. This understanding prompts a deeper look into why these assumptions were made: perhaps due to industry trends emphasizing short content, or personal biases influenced by the PM's own media consumption habits.

This realization leads to a recognition of the complexity of user preferences and the risks of oversimplification. The PM now understands the necessity of diversifying content strategy to cater to varied user intents and the importance of questioning industry narratives that may not align with actual user behavior.

Pain Points

The main challenge in identifying and understanding assumptions is the natural human tendency to operate on autopilot, especially when under the pressure of tight deadlines and high-stakes product launches. Assumptions can also be reinforced by echo chambers within teams or organizations, where shared beliefs go unquestioned.

Practical Exercise

Reflect on a recent decision you made about your product. What assumptions did you make about your users, market, or technology? Write them down and consider how each assumption could be tested or challenged. Engage with users or team members who might provide different perspectives that could reveal biases or gaps in your understanding.

Related Research Topics

  • Implicit Bias [ | ]

  • Confirmation Bias [ | ]

  • Critical Thinking in Product Management [ | ]

  • User Behavior Analysis [ | ]

  • Ethnographic Research in Tech. [ | ]

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