HCI Prelim

Association for Computing Machinery (ACM):

“discipline concerned with the design, evaluation & implementation of interactive computer systems for human use & with the study of major phenomena surrounding them” (1992)

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• FALSE

Dix:

“HCI is study of people, computer technology and the ways these influence each other. We study HCI to determine how we can make this computer technology more usable by people” (1998)

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• FALSE

Carroll:

“HCI is the study and practice of usability. It is about understanding and creating software and other technology that people will want to use, will be able to use, and will find effective when used.” (2002)

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• FALSE

Task  - write document, calculate budget, solve equation, drive home.

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Allow users to carry out tasks:

-Safely

-Effectively

-Efficiently

-Enjoyably

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• FALSE

Usability

Combination of:

-Ease of learning

-High speed of user task performance

-Low user error rate

-Subjective user satisfaction

-User retention over time

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• FALSE

Improving interfaces

-Know the user

-Physical abilities

-Cognitive abilities

-Personality differences

-Skill differences

-Cultural Diversity

-Motivation

-Special needs

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• FALSE

Design evaluation

1.Some things that can be measured

-Time to learn

-Speed of performance

-Rate of errors by user

-Retention over time

-Subjective satisfaction

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• FALSE

1.“Looks good to me” – not good enough

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• FALSE

Digital computer grounded in ideas from 1700’s & 1800’s

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• FALSE