SENG 310: Human Computer Interaction

Instructor: Melanie Tory

Computer Interfaces

Definitions

Human-Computer Interaction (HCI): A discipline concerning the design, evaluation and implementation & study of interactive computing systems for human use (Preece, Rogers, and Sharp 2002)

Interaction Design (ID): The design of spaces for human-computer interaction and communication (Winograd 1997)

– On the bottom row, people often push a label by mistake instead of a control button

– People do not make same mistake for the labels and buttons on the top row. Why not?

From: www.baddesigns.com

What is wrong with this parking ticket machine?

From: www.baddesigns.com

Web Designs

How do bad designs affect the user?

The organization who produced the interface?

User & TaskAnalysis

Scenarios

Tasks

Qualitative StudyMethods

Quantitative StudyMethods

Design guidelinesEvaluationtechniques

User studies

Prototyping

Contextual Inquiry

NaturalisticObservation

Performancemeasures

Statistics

Design

Development

DesignCycle

Think aloud

Paticipatory Design

Psychologyprinciples

Ubiquitouscomputing

Groupware

InfoVis

HapticsLikert scales

Questionnaires

Cognitive

Perceptual

All senses

Virtual Reality

Others?

Methodology

Requires

Requires

ResearchDirections

Uses

Field studies

Usability inspection(walkthrough, heuristic

evaluation

Cognitive modeling(Keystroke model,GOMS, Fitts Law)

Log analysis