Affordance is a property of an object that naturally indicates how the object can be used.

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6
votes
5answers
309 views

Order of prices and effects on sales

Consider the following list of prices: Plan A Plan B Plan C ------ ------ ------ $50/mo $40/mo $30/mo Is it more effective to ...
25
votes
7answers
9k views

Why does the Redbox machine have barriers around the credit card swipe reader?

Perhaps you've seen one of these before. A couple of inches above and below the magnetic stripe reader are protrusions that allow just enough room to swipe a credit card. The barriers are a ...
48
votes
8answers
10k views

How to visualize the possibility of drag'n'drop?

My web application contains a list of elements, which can be sorted by drag'n'drop. How should this feature be visually represented to users?
11
votes
8answers
399 views

A button with a link: understandable or confusing?

I'm working on a design of a touchscreen version of some web application. Since it's a touchscreen I would like all clickable elements to be rather big and easy to tap (it's a simple kiosk, so multi-...
11
votes
6answers
1k views

Are multiple entry points good or bad?

My example is a web-based application, but I guess this could go for anything: Multiple entry points for the same action, good or bad? My example: Adding a product against a supplier (vendor). This ...
31
votes
6answers
2k views

Should “dangerous” buttons be big and red or small and inconspicuous?

In a web app, some people think a "Delete" button should be obvious and bright red, signifying danger. The trouble is that this draws the eye to the button and may make accidental clicks more likely. ...