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Human-Computer Interaction 8
HCI University of Zürich
8
Computer Science
Undergraduate 1
01/04/2017

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Cards

Term
What is a model human processor
Definition
the human processes information from a stimuli and generates a response
Term
What are the pros and cons of the long-term memory?
Definition
pro:
- infinite capacity and half life
- semantic encoding (associations)
- once activated: reading is fast

cons:
- searching is slow
- writing is slow
Term
What is chunking?
Definition
Grouping individual pieces of information into a larger unit (7 +- 2)
Term
How does a model human processor work?
Definition
Stimuli enters (eye ca 230 ms), goes to
perceptual processor (100 ms), saved in
visual image store and auditory store (part of working memory), edited by
cognitive processor (70 ms), commands send to
motor processor(70 ms)
Term
How does a model human processor work (picture)?
Definition
[image]
Term
How does behavior form?
Definition
combination of knowledge in the world + knowledge in the head
Term
Pros of cons of using a product that relies on knowledge in the world
Definition
Pros:
- easy for the first use

Cons:
- requires perception
- may be slowed down by interpretation
- may have a cluttered visual design
Term
Pros and cons of using a product that requires knowledge in the head
Definition
Pros:
- Can be efficiently used
- may have a cleaner visual design

Cons:
- requires learning
- may be slowed down by recall
- is hard for the first use
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