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Design Alternatives

User Experience Ecosystem: individual, group, and society

Design Alternatives - Road Map

Useful: improve users ability to complete their tasks

  • What were users' explicit needs?

Usable: understand the functional and non-functional requirements

  • Functional requirements: what the system should do

  • Non-functional requirements: quality attributes and constraints on the system and its development


  • Advantage: individual experience leads to differences in the lists that are created

Affinity Diagrams to help to brainstorm data

  • Individual ideas are placed on a sticky note

  • Team members organize the sticky notes according to how similar they are

  • Teams decide on what interface can meet all the functional requirements in one category

Formats of Design Alternatives (other than website, mobile app, and kiosk)

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Formative evaluation conducted early on in the design process with low-fidelity prototypes Summative evaluation conducted with high-fidelity prototypes or final interface The type of data we collect i


The goal of a novel design: will be better at meeting the needs of the users than the existing design Prototype: an early model of the novel design; manage resources; iterate on the design Low fidelit

Review of Design Goals

Core Concept of UXD: Users use an interface to complete a task Improved user experience for the...... Individual user: phone Group users: social media apps Society: culture values involved in the task


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