User Interface Design & Implementation

What defines a "good" UI?

A UI suitable for its target users, tasks, and environment.

Can one UI be best for everyone?

No — user, task, and environment differences mean no universal best UI.

List some user differences affecting UI design.

Learning style, personality, motor skills, memory, preferences, past experience, culture, language.

Which two personality models are commonly used?

Myers-Briggs (MBTI) and Five Factor Model.

Example of personality effect on UI use?

High neuroticism → more likely to give up searching; extroverts → less in-depth analysis.

What 3 types of knowledge define user classification?

Computer/OS skills, App knowledge, Domain knowledge.

Give an example of an "expert user".

Someone with strong OS skills, app knowledge, and domain knowledge.

What did Snyder et al. (1990) show about readability?

Users read faster with dark text on a light background.

Why is contrast important in UI design?

Poor contrast reduces readability and usability.

What are two key graphic design guidelines for UI?

Use quiet backgrounds & sharpen the information.