Module 6 - Design principles Flashcards
Universal truths apply across disciplines and increase the probability of success are all what?
Design principles
What is progressive disclosure?
Telling users what they NEED to know, WHEN they NEED to know it.
For example, not putting all 5 stages of the booking process on 1 page.
What is it called when an interaction design pattern that sequences information and actions across several screens (e.g., a step-by-step signup flow). The purpose is to lower the chances that users will feel overwhelmed by what they encounter.
Progressive disclosure
What is the psychological principle which states that the more options are available to a person, the longer it will take for him or her to make a decision about which option is best?
Hick’s Law
What are high level guidelines which if followed, can help to ensure that the software we create is of a high standard?
Design principles
Define perceivability and give an example
Users should be able to figure out how to use software. Example: Google’s simple search engine
Visual clues that tell us how a product or control should be used is known as
Affordances
Describe predictability
People need to know what they will get beforehand. For example: This survey will take 2 mins and contains 10 questions.
Give some examples of affordances?
- Making a button look clickable.
- Making underlined text a hyperlink.
- A bottle screw cap affords twisting.
- A hinged door affords pushing or pulling.
- A staircase affords ascending or descending.
You shouldn’t have to explain a button
Established ways of doing things is otherwise known as:
Conventions
What are some examples of conventions?
Newspapers are formatted similarly in different countries.
Gaming controls across games.
Same symbols for play pause etc in Spotify as there was on a tape recorder 40 years ago.
Give some examples of feedback in a product?
Saved, loading, downloading, payment accepted, summary screen, blinking cursor, toast notifications.
What is most important when delivering feedback on UI?
It should be instant
What are “mental aids to keep us on track”?
Constraints
What are some examples of constraints?
Having a minified navigation on amazon checkout process.
Number keyboard on mobile on a payment page
What is a design principle that says people should be able to recover from their inevitable mistakes?
Forgiveness
What is the principle that says it is faster to hit larger targets that are close to you, than smaller targets that are further away?
Fitt’s law
