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Lecture notes

Human Psychology in UX Design

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This section covers the different UX Laws that consider how human psychology affects the way we interact with design elements. Some of the laws include: Hick's Law, Doherty Threshold, Miller's Law, Postel's Principle, and more. Gestalt Principles are also covered as they explain how we view and gro...

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  • March 1, 2024
  • 20
  • 2023/2024
  • Lecture notes
  • Sabah boustila
  • All classes
All documents for this subject (8)
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chloelouisecross
Human Psychology & UX Laws

Psychological Principles

Psychology & UX design
● Go hand in hand to create a seamless user experience
● Psychology is a powerful tool to understanding the user
● You have the ability to interpret how the human brain functions - helps to understand
how a design would be perceived by the user
● You can make products that hook your user’s brain




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,Cognitive Psychology




Attention

Attention
● Involves selecting things on which to concentrate from the available possibilities
○ At a single point in time
● You focus on information that’s relevant to what you’re doing
● Selecting sensory stimuli while ignoring other stimuli
○ Visual, sound, smell, etc.
● Attention is a limited resource
● Goal directed attention:
○ We’re looking for something in particular, such as a terminal in an airport




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, ● Stimulus driven attention:
○ We have a vague goal of something, such as having a meal, but we don’t
know what that meal is yet. A restaurant menu helps us to find the end goal
with descriptions and images




Doherty Threshold
● Productivity soars when a computer & its users interact at a pace that ensures
neither has to wait on the other
○ <400 ms
● Waiting time affects information stored in the working memory
● Losing the train of thought can cause lower productivity
● Progress bars & animations can help make wait times tolerable regardless of their
accuracy




Multitasking
● Switching your attention among different tasks
● Overloads peoples’ capacity to focus
● Could be detrimental to performance
○ Time increased, lost train of thought, errors occur
● Technology development
○ Support users so they can easily switch their attention back and forth




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