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Designing a touch-screen interface

A while back we wrote about the design and usage considerations that went into creating touch screens for Wells Fargo ATMs.

Here’s another one, involving Bank of America. It appears to have been a much less intensive process than the Wells Fargo effort.

The ATM business group approached our team to improve the existing web-enabled touch screen ATM user interface and interaction flow. The business goals included increasing ATM preferences usage, reducing transaction time and increasing customer satisfaction.

After initial assessment of the existing application using heuristic evaluations and
in-context customer observations, several design guidelines were established to guide the project:
1. Limit one clear interaction or customer action per screen
2. Use clear and concise language
3. Use a consistent grid for button placement
4. Move all interaction to touch screen when possible (example, keypad entry)
5. Improve visual and auditory feedback cues when the customer interacts with the application.

They came up with a couple of designs before settling on the final look (above).

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