WK 9 - Usability & Cognition

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What was Miller's (1956) magical number?
7
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What did Miller say the working memory does in order to overcome the informational bottleneck?
It organises "bits" of information into chunks
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What was the name of Atkinson & Shiffrin's influential model?
Multi-Store Model of Memory
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According to the Multi-Store Model of memory, the human memory flows through how many stores?
3
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According to the Multi-Store Model of memory, what is the duration of sensory memory?
1/4 to 1/2 second
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According to the Multi-Store Model of memory, what is the duration of the short-term memory?
0-18 seconds
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According to the Multi-Store Model of memory, which store has unlimited capacity?
Long-term memory
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The Multi-Store Model of Memory is supported by the HM case study. Despite marked problems, what part of his memory remains intact?
Short-term memory
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What are the four main components of the Working Memory Model?
Central executive system, phonological loop, visuo-spatial sketchpad, episodic buffer
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FILL IN THE BLANK: According to the Working Memory Model, the working memory uses "...." different systems for dealing with visual and verbal information.
2
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What is the main function of the visuo-spatial sketchpad?
Stores & processes information in a visual or spatial form
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What is the main function of the phonological loop?
Deals with spoken & written material
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What is the main function of the episodic buffer?
Acts as a backup store which communicates with both LTM & components of WM
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How do spoken & written words enter the phonological store?
Spoken words enter directly, written words are converted into code first then enter
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When the Working Memory Model was updated by Baddeley, what component was added?
Episodic buffer
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What is the capacity of the episodic buffer?
Limited
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What did Cowan (2010) state was the working memory capacity limit?
Between 3 & 5 separate items/chunks
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What did Cowan (2010) say were the factors involved in different levels of working memory ability between individuals?
All three
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Miller's (1956) Magic number 7 (+/- 2) provides evidence for the capacity of what?
Short-term memory
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Today, what is short term memory more accurately considered as?
Working memory
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Echoic memory is to............ as iconic memory is to...........
Hearing; vision
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What were the results from Sperling's Sensory Memory Experiment?
The longer the delay between the letters & tone, the worse the participants performed
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The process of breaking down information into meaningful units is known as:
Chunking
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Other cards in this set

Card 2

Front

What did Miller say the working memory does in order to overcome the informational bottleneck?

Back

It organises "bits" of information into chunks

Card 3

Front

What was the name of Atkinson & Shiffrin's influential model?

Back

Preview of the front of card 3

Card 4

Front

According to the Multi-Store Model of memory, the human memory flows through how many stores?

Back

Preview of the front of card 4

Card 5

Front

According to the Multi-Store Model of memory, what is the duration of sensory memory?

Back

Preview of the front of card 5
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