Shared Flashcard Set

Details

Human-Computer Interaction 4 + 5 + 6
HCI at University of Z├╝rich
16
Computer Science
Undergraduate 1
01/04/2017

Additional Computer Science Flashcards

 


 

Cards

Term
What types of prototypes exist?
Definition
[image]
Term
What are brainstorming challenges?
Definition
[image]
Term
Brainstorming ++
Definition
1. individual brainwriting
2. Group brainstorming
3. Change perspective with external stimulit
4. repeat
Term
Discoverability
Definition
ability to discover what a product does, how it works and what operations are possible
Term
Conceptual model
Definition
highly simplified explanation of how a product works, based on several assumptions (model breaks when assumptions not met -> problems while using the product)
Term
Can the conceptual model change?
Definition
Yes, change between persons and within persons (e.g. over time when you learn new things about a product)
Term
System image
Definition
what the user perceives about the system
Term
How are system image and conceptual model connected?
Definition
If system image is incoherent, incomplete or contradicting -> erroneous conceptual model -> usability problems
Term
What makes a good conceptual model?
Definition
- Affordance
- Signifier
- Feedback
- Mapping
- Constraints
Term
How are conceptual model and discoverability connected?
Definition
If there is a good conceptual model, people find out how it works (discoverability)
Term
Affordance
Definition
relationship between a physical object and a person
Term
Signifier
Definition
mean of signaling the presence of the affordance
Term
Feedback
Definition
how the product communicates the results of an action to the user
Term
Mapping
Definition
how the relationship between the controllers and the controlled is shown
Term
What are attributes of feedback?
Definition
- single or multi channel (visual, auditory, olfactory, gustatory, tactile)
- consistent or contradicting
- immediate or delayed
- informative or ambiguous
- ambient, obvious or obtrusive, distracting
Term
What are attributes of Mapping?
Definition
- spatial correspondance
- cultural convention
- biological nature
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