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About This Lesson

The 99% Test That's Usually Wrong is a free, interactive intermediate-level other lesson covering general. Designed for all levels, this 15-minute lesson includes 43 interactive questions with immediate feedback to help learners master key concepts.

What You'll Learn

  1. Understand the key ideas in Other
  2. Practise with 43 interactive questions and instant feedback
  3. Follow a clear lesson, step by step

Lesson Details

Type
Lesson
Subject
general
Category
Other
Difficulty
Intermediate
Duration
15 minutes
Questions
43
Language
English
Cost
Free
Rating
5.0/5 (2 reviews)

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Home/Explore/Other/The 99% Test That's Usually Wrong
LessonOtherIntermediate

The 99% Test That's Usually Wrong

A medical test is 99% accurate. You test positive. How worried should you be? Almost everyone gets this spectacularly wrong. Discover why rare events fool your brain and rebuild your intuition from scratch.

15 min43 questionsAll levels5.0(2 ratings)
VCreated byViafocus Creator
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T

Questions preview

43 questions

first 4 shown
  1. 1SLIDE: Set your worry level from 0-100%Interactive
  2. 2TAP: Find the 1 sick person among 1000 dotsInteractive
  3. 3SLIDE: Slide to run the test across all 1000 people and watch results appear

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Created By

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Interactive
  • 4Why does a 99% accurate test give mostly false positives when the disease is rare?Multiple choice
  • Lesson details

    Lesson
    Lesson
    Subject
    Other
    Difficulty
    Intermediate
    Grade level
    All levels
    Length
    About 15 min
    Language
    English · Svenska

    What to expect

    1. 1Understand the key ideas in Other
    2. 2Practise with 43 interactive questions and instant feedback
    3. 3Follow a clear lesson, step by step

    In class

    Start on the projector or share a code — students answer on their own devices and results land on your dashboard.

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