Johannes Lehner's Course Certificate: Perception and Memory in HCI and UX

IxDF Course Certificate awarded to Johannes Lehner for completing the "Perception and Memory in HCI and UX" course
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The IxDF Course Certificate (ID #8ca7f559-148b-4077-91fd-ecabc53e06b2) above is awarded to Johannes Lehner with a Best in Class Distinction in formal recognition of their coursework surpassing the rigorous benchmarks of exceptional performance established by the IxDF Educational Codex. View Course Curriculum.

Johannes Has Mastered How To:

  • Explain how perception shapes interaction and how people make sense of interfaces in real time.
  • Distinguish sensation from perception to design experiences that match how people interpret stimuli.
  • Design for touch and haptics to support feedback, control, and confidence in interaction.
  • Apply vision and hearing principles in interface design to improve clarity, attention, and comprehension.
  • Design for human memory limitations by reducing cognitive load and supporting recall and recognition.
  • Simplify complex interfaces using perception and memory principles to improve learnability and ease of use.
  • Evaluate learnability and accessibility in interfaces to identify barriers and guide improvements.
Johannes Lehner

Johannes Lehner

Lead UX Engineer

Graz, Austria
  • IxDF
 Country Manager
    Take up the position of IxDF Country Manager to be awarded this distinction. IxDF Country Managers liaise with IxDF Local Leaders within their country to grow the IxDF Local Groups initiative.
    IxDF Country Manager distinction: Take up the position of IxDF Country Manager to be awarded this distinction. IxDF Country Managers liaise with IxDF Local Leaders within their country to grow the IxDF Local Groups initiative.
  • IxDF
 Local Leader
    Take up the position of Local Leader in an IxDF Local Group to be awarded this distinction.
    IxDF Local Leader distinction: Take up the position of Local Leader in an IxDF Local Group to be awarded this distinction.
  • IxDF 
Community Leader
    Become an IxDF Local Leader, Country Manager, or Continent Manager to receive this distinction. As a community leader, you help members grow, amplify design education, and shape the future of your local and global design community.
    IxDF Community Leader distinction: Become an IxDF Local Leader, Country Manager, or Continent Manager to receive this distinction. As a community leader, you help members grow, amplify design education, and shape the future of your local and global design community.
  • IxDF
 Best-in-Class
    Complete an IxDF course with a score of 100% to be awarded this distinction.
    IxDF Best-in-Class distinction: Complete an IxDF course with a score of 100% to be awarded this distinction.
  • More distinctions
    +9
    and 9 more IxDF Distinctions
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Certificates Earned
by Johannes Lehner

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IxDF Master Class Certificates Earned

IxDF Master Class Certificates are awarded to Johannes Lehner in formal recognition of their attendance and ongoing commitment to learning from industry leaders.

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How to Design for Neurodiversity: Inclusive Content and UX certificate

How to Design for Neurodiversity: Inclusive Content and UX

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Beyond Interfaces: The UI Design Skills You Need to Know certificate

Beyond Interfaces: The UI Design Skills You Need to Know

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How to Break into UX Design and Product Design: A Career Change Guide certificate

How to Break into UX Design and Product Design: A Career Change Guide

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IxDF Membership Certificate

This IxDF Membership Certificate is issued to Johannes Lehner in formal recognition of their membership of the IxDF, global leader in design education.

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