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Cognitive Biases

Hard-Easy Bias

The tendency to underestimate one's ability on easy tasks and overestimate on difficult tasks, leading to a mismatch between confidence and actual performance based on task difficulty.

THE IDEA

Hard-easy bias

Hard-easy bias occurs when individuals underestimate their ability to perform simple tasks, but overestimate their ability to perform harder tasks.

When to use it

  • In educational settings, teachers can warn students about hard-easy bias to improve study strategies and reduce test anxiety.

  • In project management, teams can use past data to adjust overly optimistic timelines for complex projects.

  • Personal decision-making: When learning a new skill, anticipate that you may overestimate your progress in the beginning and adjust expectations accordingly.

FROM THEORY TO EVERYDAY LIFE

In practice

01

Underestimating Easy Tasks

A student facing a straightforward multiple-choice quiz might feel unnecessarily anxious and predict a low score, when in fact they know the material well and end up acing it.

02

Overestimating Hard Tasks

A project manager might be overly confident about completing a complex software development project within a tight deadline, leading to unrealistic timelines and eventual failure.

✳

A MOMENT TO REFLECT

Put it to work.

  1. Think of a recent easy task where you felt unsure. Did your actual performance match your prediction?

  2. When have you been overly confident about a difficult project? What was the outcome?

  3. How can you better calibrate your confidence for tasks of varying difficulty?

Connected ideas

Another lens can bring the same problem into focus.

Often confused with

CONTINUE THE CONVERSATION

Source texts

  • 60 Cognitive Biases That Ruin Everything We Do by David Scott
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