Design of User Interfaces

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"Design of user interfaces" introduction. (c) M. Rauterberg, TU/e. 1. Design of ... JFS-USI Primer-2. 5/11. Interface Design or Interaction Design? user interaction.
"Design of user interfaces"

introduction

Design of User Interfaces Matthias Rauterberg GOOGLE: rauterberg

2005

© M. Rauterberg, 2005

(c) M. Rauterberg, TU/e

JFS-USI Primer-2

2/11

1

"Design of user interfaces"

introduction

What is User-System Interaction about? Working domain

Goal: Actual Performance => Desired Performance

Working system

user

system

JFS-USI Primer-2

© M. Rauterberg, 2005

3/11

The Basic Triangle: T-U-S • user-oriented requirement analysis

Task(s) task design

automation

qualification

User

© M. Rauterberg, 2005

(c) M. Rauterberg, TU/e

functionality

usability training

System

JFS-USI Primer-2

– know the user – describe the context of use – analyze the user‘s tasks – decide for user-system function allocation

4/11

2

"Design of user interfaces"

introduction

Interface Design or Interaction Design?

user

interaction

system

JFS-USI Primer-2

© M. Rauterberg, 2005

5/11

Challenges of USI research user

perception emotion

interaction

cognition action

?

system

functionality

architecture

input/output

data structure

effectiveness efficiency satisfaction © M. Rauterberg, 2005

(c) M. Rauterberg, TU/e

JFS-USI Primer-2

6/11

3

"Design of user interfaces"

introduction

User-Product Relation product

user

interface

© M. Rauterberg, 2005

manual

JFS-USI Primer-2

DESIGNER

implemented functions

7/11

USER perceivable user interface forms

perceived semantic

intended semantic DMM := designer’s mental model

UMM := user’s mental model

How to relate Function and Form, so that DMM == UMM ? © M. Rauterberg, 2005

(c) M. Rauterberg, TU/e

JFS-USI Primer-2

8/11

4

"Design of user interfaces"

introduction

Two General Design Strategies

1.

2.

JFS-USI Primer-2

© M. Rauterberg, 2005

9/11

From Problem to Solution or the other way round?

PULL

PUSH Leads to

Leads to

Set of possible technical solutions

Set of real customer requirements

© M. Rauterberg, 2005

(c) M. Rauterberg, TU/e

JFS-USI Primer-2

10/11

5

"Design of user interfaces"

introduction

How to maximize the match? Set of real customer requirements

Set of possible technical solutions

Without user-centered design

With user-centered design

© M. Rauterberg, 2005

(c) M. Rauterberg, TU/e

JFS-USI Primer-2

11/11

6

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