HCI

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Lec 6

Lec 7

Lec 3

Lec 2

Principles vs. Guidelines

Principles

abstract design rules

For example, “an interface should be easy to navigate”

Guidelines

advice on how to achieve principle may conflict; understanding theory helps resolve

For example, “use colour to highlight links”

Guidlines Shneiderman’s 8 Golden Rules

Reduce short-term memory load

Support internal locus of control

Permit easy reversal of actions

Offer error prevention and simple error handling

Design dialogs to yield closure

Offer informative feedback

Enable frequent users to use shortcuts

Strive for consistency

Principles

Communicate

Economize

Organization

Navigability

Relationships

Screen Layout

Consistency

interface

It is the place at which independent and unrelated systems meet and act on or communicate with each other.

GUI

Pull down menu

Mouse pointer

Icon

Window

Menu Driven

Command Driven

Lec 1

Perception in computing

Human Processor Model

Why HCI

what is HCI