HCI Quiz 3 Flashcards
translation between user and system
interaction model
physical characteristics of interaction
ergonomics (human factors)
nature of user <-> system dialog
interaction style
communication between user and system
interaction
area of work under study
domain
the thing you need to do, how will you do it
operands to manipulate the concepts of a domain
task
what you want to achieve
desired output
goal
action needed to be done to achieve goal
intention
How many stages does Donald Norman’s Model has?
7
Gulf of execution vs. gulf of evaluation
gulf of execution — user formulates action
gulf of evaluation — user expectation of changed system in terms of his goal
understood but wrong action
slip
did not understood at all
mistake
user, input, system, output
Abowd and Beale Framework
it is good at defining standards and guidelines for constraining the way we design certain aspects of system
ergonomics
- dials and knobs
industrial interface
much cheaper and more flexible
not physically located
glass interface
office — artificial world
direct manipulation
industrial — real world
indirect manipulation
expressing instructions to computer directly
command line interface
set of options displayed on the screen
menus
familiar to user
speech recognition or typed natural language
natural language
series of questions (novice users) IS
Question interfacce
retrieve data from database
query language(SQL)
data entry/retrieval – screen like paper
form-fills
eg. VISICALC, LOTUS 1-2-3, MS Excel
sophisticated variation of form filling
spreadsheets
meaning of WIMP
windows, icons, menus, pointers
highlighting, visual afforable
ordinary window systems
extra virtual space, light, distance effect
3d workspaces
areas in screen - independent
windows
more contents ^v or <>
scrool bars
describe the name of the window
title bars
small picture — interface
icons
important element
uses a mouse, wide variety of graphical mages
pointers
choice of operand
menus
mouse hold drag down
pull-down menu
mouse clicks reveals
drop-down menu
mouse – bar
fall-down menu
actions for selected object
pop-up menu
arranged in circle
pie menu
hierarchical menu structure, new - new - new
cascading menu
can be selected to include an action
buttons
set mutually exclussive choice (1 answer only)
radio buttons
set non-exclusssive choices (multiple answers)
check boxes
long lines of actions
toolbars
little windows of action
palettes
pop-up to infrom important things (eg. want to save?)
dialogue boxes
affected by social and organizational contex
context
tell people what to do
coercion
explain corporate values
enculturation
design process
emergence
rapidly improving but still inaccrate
speech-driven interface
