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How Root Cause Probing Improves Medical Device Design

Often, users don’t know why they made a mistake, so the art of Root Cause Probing is digging deeper to uncover what went wrong. To do this, human factors researchers have some tried-and-true methods.

Let's build a breakthrough medical device.
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The Plough Hypothesis and Design’s Gender Data Gap
What do ancient farm tools have to do with contemporary gender inequality? According to the Plough Hypothesis, there’s a direct link.
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Non-Finito Prototyping: A New Technique for Digital-Physical Product Design
In art, an unfinished work remains unfinished. In design, an unfinished work opens up possibilities for the user.
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Using Digital-Physical Workflows to Master Integrated Product Design
For many years, digital products were designed separately from analog or physical devices, and the user experience was largely defined by screen size. That’s no longer the case.
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How Does ‘Hick’s Law’ Apply to Product Design?
Regardless of what you're designing, the options you present to users should be simple and straightforward.
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7 Principles for Designing Great Digital-Physical Products
Adding a sensor or touchscreen to just about any product has become cheap and straightforward. But it doesn't always make things better for the user.
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Ingenious Engineering: Ballpoint Pens
The ballpoint pen eliminated the need for messy fountain pens and all the problems that came with them. This breakthrough invention forever changed the way we write.