Notes 2-20

Notes 2-20 - The O in GOMS is: That user already knows how...

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The O in GOMS is: That user already knows how to perform the operation in isolation. Terms You need to know: Activity Action Operation -relationship between them Motive Goal Condition -Relationship between them -Relationship between two sets Five Principles Reproduce diagrams Activity Theory - Accounts for absence of environment in GOMS - A computer is a tool that humans use to interact with the environment. - Context of use - It is important because we want to be able to map what people in an environment do with the tools we give them to accomplish a goal. Do the typical Tasks correspond to purposeful actions realizing users’ activities? Do the machine operations trigger operations in users’ repertoire? Usability - When the object of the user’s action is the same as the object of work then the user can behave in a route way (i.e. use operations to achieve the goal and complete the activity) Figure 2 page 8 Kuuti 1995 Activity… Activity
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Unit of analysis o Minimal meaningful context
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This note was uploaded on 04/10/2008 for the course INLS 318 taught by Professor Barlow during the Spring '08 term at UNC.

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Notes 2-20 - The O in GOMS is: That user already knows how...

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