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HCI 3e - Ch 12: Cognitive models

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Alan Dix
Alan Dix

Chapter 12: Cognitive models from Dix, Finlay, Abowd and Beale (2004). Human-Computer Interaction, third edition. Prentice Hall. ISBN 0-13-239864-8. http://www.hcibook.com/e3/

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chapter 12 cognitive models
Cognitive models ,[object Object],[object Object],[object Object],[object Object]
Cognitive models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Goal and task hierarchies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
goals vs. tasks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Issues for goal hierarchies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Techniques ,[object Object],[object Object],[object Object]
GOMS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GOMS example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cognitive Complexity Theory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: editing with vi ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Four rules to model inserting a space Active rules: SELECT-INSERT-SPACE INSERT-SPACE-MOVE-FIRST INSERT-SPACE-DOIT INSERT-SPACE-DONE New working memory (GOAL insert space) (NOTE executing insert space) (LINE 5) (COLUMN 23) SELECT-INSERT-SPACE matches current working memory (SELECT-INSERT-SPACE IF (AND (TEST-GOAL perform unit task) (TEST-TEXT task is insert space) (NOT (TEST-GOAL insert space)) (NOT (TEST-NOTE executing insert space))) THEN ( (ADD-GOAL insert space) (ADD-NOTE executing insert space) (LOOK-TEXT task is at %LINE %COLUMN)))
Notes on CCT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Problems with goal hierarchies ,[object Object],[object Object],[object Object]
Linguistic notations ,[object Object],[object Object],[object Object],[object Object]
Backus-Naur Form (BNF) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example of BNF ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Measurements with BNF ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Task Action Grammar (TAG) ,[object Object],[object Object],[object Object],[object Object]
Consistency in TAG ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Consistency in TAG (cont'd) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Other uses of TAG ,[object Object],[object Object],[object Object]
Physical and device models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Keystroke Level Model (KLM) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
KLM example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],USE-CLOSE-METHOD P[to menu] 1.1 B[LEFT down] 0.1 M 1.35 P[to option] 1.1 B[LEFT up] 0.1 Total 3.75 s USE-CTRL-W-METHOD H[to kbd] 0.40 M 1.35 K[ctrlW key] 0.28 Total 2.03 s
Architectural models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Display-based interaction ,[object Object],[object Object],[object Object]

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HCI 3e - Ch 12: Cognitive models

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  • 12. Four rules to model inserting a space Active rules: SELECT-INSERT-SPACE INSERT-SPACE-MOVE-FIRST INSERT-SPACE-DOIT INSERT-SPACE-DONE New working memory (GOAL insert space) (NOTE executing insert space) (LINE 5) (COLUMN 23) SELECT-INSERT-SPACE matches current working memory (SELECT-INSERT-SPACE IF (AND (TEST-GOAL perform unit task) (TEST-TEXT task is insert space) (NOT (TEST-GOAL insert space)) (NOT (TEST-NOTE executing insert space))) THEN ( (ADD-GOAL insert space) (ADD-NOTE executing insert space) (LOOK-TEXT task is at %LINE %COLUMN)))
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