Exam Questions and Answers All
Correct
definition Human Computer Interaction (HCI) - Answer-discipline concerned with the
design, evaluation and implementation of interactive computing systems for human use
and with the study of major phenomena surrounding them
definition Interaction Design - Answer-creating interventions in often complex situations
using technology of many kinds including pc, software, the web and physical devices
Model Of Interaction - Norman's execution - evaluation cycle - Answer-- user
establishes the goal
- formulates intention
- specifies actions at interface
- executes action
- perceives system state
- interprets system state
- evaluates system state with respect to goal
Interface Style - Answer-- command line interface
- menus
- natural language
- question/answer and query dialogue
- form-fills and spreadsheets
- WIMP
- point and click
- three-dimensional interfaces
definition Usability - Answer-the capability of the software product to be understood,
learned, used and attractive to the user, when used under specified conditions
Usability Components - Answer-- efficiency
- learnability
- errors
- satisfaction
- memorability
Usability Principles - Answer-- learnability
, - flexibility
- robustness
Usability Principles (Learnability) - Answer-- predictability
- synthesisability
- familiarity
- consistency
- generalizability
Usability Principles (Flexibility) - Answer-- Dialogue initiative
- multi-threading
- task migratability
- substitutivity
- customisability
Usability Principles (robustness) - Answer-- observability
- recoverability
- responsiveness
- task conformance
Schnederman's Eight Golden Rules - Answer-- strive for consistency
- enable frequent users to use shortcuts
- offer informative feedback
- design dialogs to yield closure
- offer error prevention and simple error handling
- permit easy reversal of actions
- support internal locus of control
- reduce short-term memory load
Goals of Evaluation - Answer-- assess extent of system functionality
- assess effect of interface on user
- identify specific problems
Styles Of Evaluation - Answer-- laboratory studies
- field studies
definition Laboratory Studies - Answer-users are take out of their normal work
environment to take part in controlled tests, often in a specialist usability laboratory
definition Field Studies - Answer-the designer of evaluator out into the user's work
environment in order to observe the system in action
Evaluating Designs - Answer-- cognitive walkthrough
- heuristic evaluation
- review-based evaluation
- model-based evaluation