Archive for the ‘Interaction design’ Category

ROI of Usability

ROI (or return on investment) refers to the returned value in profit or productivity that can be attributed to a given investment. When the investment is lower than the resulting gains, we get a positive ROI.

The returns generated from investments in website and software development are measured. Improving the usability of a website can
increase sales,
reduce customer service calls,
increase customer satisfaction.

For intranets and timesheets systems, improving usability can
increase productivity by reducing the time to complete a task,
reducing the error rate,
increasing satisfaction.

Most of these improvements can be quantified by measuring saved time, gained revenues, and increased productivity.Building usability into the processes can reduce development costs, reduce development time, and ultimately improve the end product.

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User Centered Design

User-centered design is a structured product development methodology that involves users throughout all stages of Web site development, in order to create a site that meets users’needs.It considers Company’s business objectives and user’s needs.

User-centered design has various phases for development:
Requirement Phase
Planning Phase
Design Phase
Implentation Phase
Testing Phase
Release Phase

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