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A Higher Common Sense

A Higher Common Sense

A place for Writings about Evidence-Based Design

  • CS 177 Human Centered Product Management
    • CS177 Human Centered Product Management Syllabus
      • Lecture 5B- Agile and Storymapping
    • Lecture 1A | Introduction to Human-Centered Product Management
      • What do you want from CS177
      • 1A Welcome to CS 177: Human-Centered Product Management 1
    • Lecture 1B | Human-Centered Product Management
      • 1B Strategy for Human-Centered Product Management
    • Lecture 2A | Human-Centered Product Management
    • Lecture 2B | Human-Centered Product Management
    • Lecture 3A – Markets & Tech Stack
    • Lecture 3B — Guest and Value Proposition
    • Lecture 4B – Participatory Roadmaps & Case Study
    • Lecture 5a– Agile, User Stories and User Story Mapping
  • CS247B Design for Behavior Change
    • 1A Introducing Design for Behavior Change
    • 1B Norms, Models, Brainstorm, Screeners
    • 2A Norms and Study Guide
    • 2B Ethics, Persuasion and B=MAT
    • 3A Secondary Research and Theories of Behavior Change
    • 3B Switch, Fraud,
  • Product Management Library
  • The How and Why of Sketchnotes
    • Glossary for Design Techniques

Author: aribarb

Product Sense Pushups: Purchase Intent — E-commerce Checkout by aribarb

December 5, 2025

I first looked at Amazon. Their checkout flow is designed around speed and minimal friction because their core business priority is maximizing conversion rate….

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Product Sense Pushups: Discovery Patterns — Search and Browse by aribarb

November 24, 2025

Netflix relies heavily on recommendations to help users find content, because its core value proposition depends on keeping people watching for long stretches of…

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Product Sense Pushups: Personalization Strategies — Customization vs. Automation by aribarb

November 24, 2025

Spotify utilizes personalization as it crafts music recommendations for its users, drawing on the previous streaming history to curate the Discover Weekly, the Daily…

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BUSINESS: Can One Business Unit Have Two Revenue Models? by aribarb

November 19, 2025

Isolde’s Siiquent targeted hospitals and diagnostic labs operating under strict regulation and tight reimbursement structures. Predictably, this business gravitated toward a razor-blade model where…

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BUSINESS: Should We Deploy a Gen AI Salesbot? by aribarb

November 19, 2025

Should PulsePoint deploy an AI chatbot now or wait? On one hand, the CEO, Jeannie, sees generative AI as an inflection point. Competitors that…

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CASE STUDY: Follow Dubious Orders or Speak Up (Internship Ethics) by aribarb

November 13, 2025

In the article, intern Susan is asked to call competitors while presenting herself as “just an MBA student,” a request that seems small on…

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Product Sense Pushups: Crisis Management — Error States and Recovery by aribarb

November 13, 2025

Slack, Uber, and banking apps each experience failures that look superficially similar, but the business cost of these failures differs dramatically. As a result,…

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Product Sense Pushups: Subscription Decisions — Paywall and Upgrade Flows by aribarb

November 13, 2025

1. Spotify  I am not a Spotify user, so upon downloading the app and logging into an old account, I encountered the time-old “premium…

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Green Plate Phase 2 WORK: Milestone – The One-Pager

November 13, 2025

Green Plate – One Pager

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