Hooked

Authors: Nir Eyal

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Key Ideas

1. The Hooked Model: The book introduces the Hooked Model, which consists of four phases: trigger, action, variable reward, and investment. This model explains how habit-forming products manipulate user behavior.

2. External Triggers: Products can use external triggers, such as notifications and prompts, to prompt users to take certain actions. External triggers should be timely, relevant, and actionable.

3. Internal Triggers: Internal triggers are psychological cues that prompt users to take certain actions. Understanding users' internal triggers can help design products that better engage ....
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Quiz

1. What are the four phases of the Hooked Model?

Trigger, Action, Reward, Investment

Prompt, Action, Reward, Retention

External, Internal, Variable, Investment

Cue, Action, Reward, Routine

2. Which term refers to psychological cues that prompt users to take certain actions?

External triggers

Internal triggers

Variable rewards

User investment

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