The Design Psychologist | Psychology for UX, Product, Service, Instructional, Interior, and Game Designers

Design for Ease: The Psychology of Effort in UX Design

May 28, 2025
Discover the intriguing concept of performance load and how it impacts user experiences in design. Learn about the four types of load: visual, intellectual, memory, and motor. Uncover how cluttered interfaces and excessive clicks can frustrate users. Delve into real-world examples from organizations like NASA and Dropbox that showcase effective design strategies. Find out when simplifying a task aids usability and when it can backfire, especially in educational contexts. Enhance your designs to create seamless connections between users and their goals.
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INSIGHT

Understanding Performance Load

  • Performance load refers to the hidden mental and physical effort required to use a tool effectively.
  • Kinematic load is physical effort, while cognitive load is mental effort involved in usage.
INSIGHT

Types of Performance Load

  • Performance load breaks down into visual, intellectual, memory, and motor loads (VIMM).
  • Intellectual and memory loads combined form the cognitive load experienced by users.
ANECDOTE

NASA Workload Assessment Anecdote

  • NASA assessed workload on astronauts doing tasks in simulated low gravity environments to find strain points.
  • They used body diagrams and surveys to identify physical and mental loads during operations.
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