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M9 - Mid Term Review.pptx

Jason Johnston

Created on October 14, 2025

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Mid-Term Review

Module 9

Theories Principles Guidelines

Usability Heuristics

Guidelines

Theories Principles Guidelines

Know Thyself

Principles

https://upload.wikimedia.org/wikipedia/commons/e/ea/Sanctuary_of_Delphi_-_Reconstruction_-_Temple_of_Apollo.jpg

Principles

Hansen, W. J. (1972, May). User engineering principles for interactive systems. In Proceedings of the November 16-18, 1971, fall joint computer conference (pp. 523-532).

Principles

Hansen, W. J. (1972, May). User engineering principles for interactive systems. In Proceedings of the November 16-18, 1971, fall joint computer conference (pp. 523-532).

Principles

Hansen, W. J. (1972, May). User engineering principles for interactive systems. In Proceedings of the November 16-18, 1971, fall joint computer conference (pp. 523-532).

Principles

Hansen, W. J. (1972, May). User engineering principles for interactive systems. In Proceedings of the November 16-18, 1971, fall joint computer conference (pp. 523-532).

Principles

Hansen, W. J. (1972, May). User engineering principles for interactive systems. In Proceedings of the November 16-18, 1971, fall joint computer conference (pp. 523-532).

The Eight Golden Rules of Interface Design

1. Strive for consistency 2. Seek universal usability 3. Offer informative feedback 4. Design dialogs to yield closure 5. Prevent errors 6. Permit easy reversal of actions 7. Keep users in control 8. Reduce short-term memory load

Principles

https://www.cs.umd.edu/users/ben/goldenrules.html

Theories Principles Guidelines

  1. Transactional Distance
  2. Bloom's Taxonomy
  3. Community of Inquiry
  4. Gagne's 9 Events of Instruction
  5. Mayer's 12 Multimedia Principles 

Theory

Activity Theory

  • Vygotsky
  • Leontiev
  • Engeström

instrument

subject

object / outcome

community

division of labor

rules

Accessibility

What Must, Can, & Should Be Done?

WCAG Principles

  1. Information is Perceivable
  2. Interface is Operable
  3. Information is Understandable
  4. Reliable and Robust

Source

3 Layers of Concern

  1. LMS/HTML Page
  2. Documents / Materials
  3. Apps/Tools/Plugins

3 Big Concerns:

  1. Images are tagged
  2. Text is organized and readable
  3. Videos are closed captioned

You ≠ User

Usability

Module 7

https://stuart-cunningham.github.io/sus/

Affective “Three” Experience

AX

  1. Aesthetic Experience: Sensory Delight
  2. Emotional Experience: Affect and Engagement
  3. Experience of Meaning: Symbolic, reflective, or long-term connections
  1. Jakob’s 10 Heuristics
  2. Shneiderman’s 8 Golden Rules
  3. Hansen’s 4 Principles
  4. Educational Theories
  5. Activity Theory
  6. Accessibility (WCAG and OIT)
  7. Brooke’s SUS
  8. Affective Three

User-Centered Design

Another cornerstone of HCI is the principle of user-centered design. This approach places the user at the forefront of the design process, ensuring that their needs, preferences, and limitations drive the development of the system. In user-centered design, feedback loops are critical, and iterative design processes are employed to refine the user experience continuously.