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


“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


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）


Ergonomics


human processor model


●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


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

✗300.000 repeat customers (+67%)


Unusable!


Not always easy!

October 26, 2011 PBZ - Zagreb 32

Roberto DADDA

October 26, 2011 PBZ - Zagreb 33

Roberto DADDA


Surface

Skeleton

Structure

Scope

Strategy


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


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


Surface

Skeleton

Structure

Scope

Strategy


Do not focus on tools


robertodadda

[email protected] www.dadda.it

agile usability approach, a presentation to the bank of qingdao

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