Chapter 10 Identifying needs and establishing requirements · PDF fileIdentifying needs and establishing requirements Chapter 10 ... Identifying ALL users ... User group dominance

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Identifying needs and establishing

requirements

Chapter 10

Anna Loparev Intro HCI

University of Rochester

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Understand

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What?

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Produce

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What?

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How?

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Requirements: Functional

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Requirements: Data

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Requirements: Environment

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Requirements: Users

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Requirements: Users (Persona)

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Requirements: Users (Persona)

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Requirements: Users (Persona)

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Requirements: Users (Persona)

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Requirements: Users (Persona)

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Effectiveness

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Requirements: Usability Goals

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Requirements: Usability Goals

Efficiency

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Requirements: Usability Goals

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EJECT

Safety

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Requirements: Usability Goals

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Utility

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Requirements: Usability Goals

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Learnability

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Requirements: Usability Goals

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Memorability

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Requirements: UX Goals

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ID cycle of life

Design

alternatives

Establish

requirements

Evaluate

Prototype

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Data gathering: Interviews

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Data gathering: Focus groups

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Data gathering: Questionnaires

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Data gathering: Direct observation

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Data gathering: Indirect observation

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Data gathering: Studying documentation

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Data gathering: Researching similar products

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Data gathering: Contextual inquiry

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Contextual inquiry: Context

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Contextual inquiry: Partnership

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Contextual inquiry: Interpretation

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Contextual inquiry: Focus

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Data gathering guidelines

Involve all users

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Data gathering guidelines

More than one representative

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Data gathering guidelines

Props

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Data gathering challenges

Identifying ALL users

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Data gathering challenges

Communication

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Data gathering challenges

Domain knowledge

Dingo

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Data gathering challenges

Availability of key people

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Data gathering challenges

Politics

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Data gathering challenges

User group dominance

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Data gathering challenges

Econ and business changes

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Brainstorming

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Task description: Scenarios

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Task description: Use cases

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Task description: Essential use cases

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Task analysis

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Hierarchical Task analysis