Coursera: UI UX

User interface Design Cycle: Requirements Gathering

1. In this phase the designer aims to understand how users are currently completing tasks Asks "What are the current practices" This step can also be thought of as understanding the "problem space"- what is hindering the completion of the task how can the task or process be improved many techniques are leveraged to collect data about the user, their goals, & current practices

User interface Design Cycle: Designing Alternatives

2. In this phase we are able to develop novel interfaces to successfully complete the task because we have sound requirements for the system

User interface Design Cycle: Developing Prototypes

3. The designer models various system features that meet core aspects of task

User interface Design Cycle: Evaluation

4.In this phase we test the systems usability and usefulness with either users or experts

What is Design

A systematic and data driven process

What is the primary goal of good User Experience design

An interface that is usable and useful

Goal of User Experience Design

Design interfaces that are useful and usable Useful - allows a user to complete a task Usable - refers to the effectiveness with which users can achieve tasks S actually produces desired O I is easy to understand O actually completes task

What is the core concept of User Experience Design

Users use interfaces to accomplish a task Understanding the user and the task they want to accomplish enables you to design the best interface

User

the individual that is using some technology to accomplish a task

Interface

the mediation of the user's task (Ut) and the system's (S) Core function The user enters input (I) into the interface to complete a task (O)