agile usability approach, a presentation to the bank of qingdao

Milano, November 22, 2012Roberto DADDA

Usability, key factor for the success of web user interface: an agile approach

可用性 - 成功的网页用户界面关键因素：一个便捷的方式

Roberto DADDA

Milano, November 22, 2012Roberto DADDA

“The effectiveness, efficiency and satisfaction with which specified users achieve specified goals in particular environments.”

● effectiveness: the accuracy and completeness with which specified users can achieve specified goals in particular environments

● efficiency: the resources expended in relation to the accuracy and completeness of goals achieved 

● satisfaction: the comfort and acceptability of the work system to its users and other people affected by its use

Usability

Roberto DADDA

“指定用户在特殊环境下达到指定目标时的有效性，效率和满意程度”

有效性：指定用户在特定环境下达到指定目标时的精确性和完整性

效率：为达到目标精确性和完整性所用的资源

满意度：为用户和其他相关人员带来的工作系统舒适度和可接受程度。

可用性

Milano, November 22, 2012Roberto DADDA

Usable,a many-sided

concept

●Functional (it does what it is claimed to do)●Reliable (it works consistently)●Usable (it works in a way that is consistent with the user's expectations)●Meaningful (it does something important or valuable)●Pleasurable (it is enjoyable to use)

Roberto DADDA

可用性，一个多面概念

功能性（能达到承诺的各项功能）

可靠性（能不间断地运作）

可用性（符合用户的期望值）

有意义（所做的是重要的或有价值的）

娱乐性（愉快的使用过程）

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Ergonomics

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

human processor model

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

●Add value via Web●Benefit and usability greater than phone call●Find-Choose-How to-Track

●On site test

●3.5 visitors/day●Dismissing 80% of call center workforce

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

✗After reworking for Christmas +80% (average 40%)

✗300.000 repeat customers (+67%)

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Unusable!

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Not always easy!

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

October 26, 2011 PBZ - Zagreb 32

Roberto DADDA

October 26, 2011 PBZ - Zagreb 33

Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Surface

Skeleton

Structure

Scope

Strategy

Milano, November 22, 2012Roberto DADDA

user tasks:• enter numbers• enter text• enter formulas• format cells• sort information• filter information• aggregate information• graph data• save data• import data • export data• print • …..

Surface

Skeleton

Structure

Scope

Strategy

Milano, November 22, 2012Roberto DADDA

task panes

modal dialogs

modal wizards

Surface

Skeleton

Structure

Scope

Strategy

May 14-15, 2012 Agile Croatia Conference - Zadar 40

Roberto DADDASurface

Skeleton

Structure

Scope

Strategy

Milano, November 22, 2012Roberto DADDA

Surface

Skeleton

Structure

Scope

Strategy

Milano, November 22, 2012Roberto DADDA

Do not focus on tools

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

Milano, November 22, 2012Roberto DADDA

robertodadda

roberto@dadda.it www.dadda.it