IxDF Certificate of Completion

Perception and Memory in HCI and UX

IxDF Course Certificate awarded to Rikke Friis Dam for completing the "Perception and Memory in HCI and UX" course
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The Interaction Design Foundation (IxDF) hereby certifies that the IxDF Course Certificate (ID #de689f3f-5799-4ce0-a3ab-6037cf2d2b8f) has been conferred upon Rikke Friis Dam with a Best in Class Distinction in formal recognition of completing evidence-based curricula taught by industry leaders, to the standards established by the IxDF Educational Codex. View Course Curriculum.

This document serves as the official record of the above credential. Third parties may reference the certificate ID to verify its authenticity. The Interaction Design Foundation maintains permanent records of all credentials issued.

Verified Competencies Demonstrated by Rikke Friis Dam

By completing this curriculum to the standards of the IxDF Educational Codex, Rikke Friis Dam has demonstrated mastery of how to:

  • Apply the interaction model and five-step goal-mapping walkthrough, including the 90-second time-out rule, to identify exactly where a design fails to give users the evidence they need to act and determine what needs to change.

  • Apply George Miller's Magical Number Seven and the Atkinson-Shiffrin multi-store model to design interfaces that work with human memory rather than against it, to reduce errors and support task completion.

  • Distinguish between sensory, short-term, and long-term memory and use that knowledge to reduce friction in user flows and support users in completing tasks accurately.

  • Account for how cross-sensory dependencies between sight, touch, and proprioception create failure points in single-channel interface designs, and propose design solutions that address them.

  • Design for users affected by illness, disability, age, stress, and fatigue, not as exceptions but as an expected part of the user population, producing interfaces that hold up across the full spectrum of human ability.

  • Evaluate color, contrast, and motion against the known limits of human visual perception, including the one-second peripheral motion threshold, to make specific, substantiated decisions about animation and notification design.

  • Use the ecological sound and earcon framework to design auditory feedback to carry meaningful information through pitch, timbre, and harmonic complexity, and evaluate when visual or auditory channels are appropriate for a given user context.

  • Identify where an interface demands recall from users when recognition would serve them better, and produce annotated learnability evidence to demonstrate where design supports new users and where it fails them.

  • Conduct an accessibility audit against WCAG perceivable guidelines to identify where a design excludes users across vision, hearing, and cognitive ability, and produce a documented checklist of what works and what fails.

  • Recognize how confabulation and memory reconstruction affect the reliability of user research data, and account for those risks when interpreting findings and making design decisions.

View Profile: Rikke Friis Dam
  • IxDF Honorary Distinction
    IxDF Honorary Distinction distinction: For an outstanding service to our community
  • IxDF Book Author
    IxDF Book Author distinction: Published a book or book chapter
  • IxDF Article Author
    IxDF Article Author distinction: Published an IxDF article
  • IxDF Design League Coach
    IxDF Design League Coach distinction: IxDF Design League Coach
  • More distinctions
    +21

United States

Rikke Friis Dam

IxDF Founder

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Certificates Earned
by Rikke Friis Dam

IxDF Course Certificates are awarded to Rikke Friis Dam in formal recognition of completing evidence-based curricula taught by industry leaders, to the standards established by the IxDF Educational Codex.

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UX Essentials: Navigation, Card Sorting and Effective Content certificate

UX Essentials: Navigation, Card Sorting and Effective Content

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Personas and User Research: Design Products and Services People Need and Want certificate

Personas and User Research: Design Products and Services People Need and Want

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Object-Oriented UI Design: Build Interfaces Users Love certificate

Object-Oriented UI Design: Build Interfaces Users Love

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Present Like a Pro: Communication Skills to Fast-Track Your Career certificate

Present Like a Pro: Communication Skills to Fast-Track Your Career

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Accessibility in Practice: Build Digital Experiences Everyone Can Use certificate

Accessibility in Practice: Build Digital Experiences Everyone Can Use

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UX Essentials: Accessibility, SEO, and Dynamic Interfaces certificate

UX Essentials: Accessibility, SEO, and Dynamic Interfaces

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Human-Computer Interaction: The Foundations of UX Design certificate

Human-Computer Interaction: The Foundations of UX Design

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How to Create Intuitive Products by Imitating Physicality certificate

How to Create Intuitive Products by Imitating Physicality

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Gamification - How to Create Engaging User Experiences certificate

Gamification - How to Create Engaging User Experiences

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Emotional Design — How to Make Products People Will Love certificate

Emotional Design — How to Make Products People Will Love

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Creativity: Methods to Design Better Products and Services certificate

Creativity: Methods to Design Better Products and Services

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Service Design: How to Design Integrated Service Experiences certificate

Service Design: How to Design Integrated Service Experiences

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IxDF Master Class Certificates Earned

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

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