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Interacting with technology is cognitive and involves many processes including attention, memory, perception, learning and recognition. The way an interface is designed can greatly affect how well users can perceive, attend, learn and remember how to undertake their tasks. The conceptual framework of mental models and external cognition provide ways of understanding how and why people interact with products, which can lead to thinking about how to design better products.

Extraits

[...] Then their memory shifts to verbal encoding. New items entering STM zones drive out items that are already present. However, mentally or verbally repeating the items already in those areas process called rehearsal) shuts out new data and prolongs the retention of those items. The brain has a natural tendency to "rehearse" newfound information, especially if it catches the mind's attention. Novak, Joseph & Gowin (1984) defined that items sufficiently rehearsed are transferred to the LTM centres, where they are designated to last a life's experience. [...]


[...] These factors were identified in the methodology and ensured a valid experiment. The experiment design ensured that the same techniques were used throughout the experiment. The environmental settings were constant, with variables such as noise and other distractions associated with a busy computer laboratory, equally affecting all groups. The participants had the same interaction skills and recognition skills before the tests, as they had after the tests, as the test was over a short space of time. Participants did not change during the experimentation, and so becoming aware of what was being measured would not have affected the results, potentially occurring in all the groups tested. [...]


[...] The results of this experiment show that the participants did not all recognise the same things, and that due to the semantic processing they carried out while operating the websites, each individual recognised different features, correctly or incorrectly, supporting Kintsch’s view. The multi-store model of memory developed by Atkinson and Shiffrin in 1968, linked sensory memory, short-term memory and long-term memory. The Multi- Store Model defined that sensory memory deals with incoming information from our senses. If placed in the sensory memory for more than 3 seconds, it passes into the short-term memory, otherwise it is forgotten. [...]


[...] From the homepage select the site map or contents page 2. Select the dinosaur A dinosaur pages 3. Select the dinosaur Tyrannosaurus Rex link (from T page) 4. Mouse over main Tyrannosaurus Rex picture to see a caption 5. Click the link to return to the homepage 6. Check the year the site was copyrighted at the bottom of the homepage 7. Select the time line/time chart link 8. Check when the Triassic Period was 9. [...]


[...] It is used to integrate information across time and space, to keep a brief record in a person’s mind, so they can process it further. The sensory register concerns memories that last no more than about a second Short-Term Memory Novak, Joseph & Gowin (1984) are of the opinion that when an impression made in the sensory memory is strong enough, it passes into the short-term memory. Short-term memory is the storage of information needed for temporary recall. An example of this could be calling a telephone number, when you look up the number and memorise it for long enough to dial the number. [...]

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Informations sur le doc

Date de publication
30/09/2008
Langue
anglais
Format
Word
Type
dissertation
Nombre de pages
65 pages
Niveau
grand public

Informations sur l'auteur Jennifer M. (étudiant)

Niveau
Grand public
Etude suivie
ressources...
Ecole, université
Université...
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