Shannon Clark's latest Article on Human Factors and Usability Testing

Human Factors Engineering, an important facet of product development focused on minimizing or eliminating human error through the design of a medical product, is now becoming one of the most critical stages in the design process for medical devices. Shannon Clark, CEO of UserWise, has written an in-depth article on Human Factors and Usability Engineering for Medical Devices that has been...

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Cognitive Bias in Usability Testing

Executive Summary: Cognitive bias is the tendency to subconsciously change ones actions or thought process based on someone else’s comments or behavior. It is important to consider cognitive bias when performing a usability study because it can significantly alter or impair the validity of the results. While cognitive bias cannot always be entirely eliminated, identifying key cognitive biases to which usability study results are particularly susceptible is the first step to mitigating them. Once experimenters are alert to these subtle traps, they can consider approaches that sidestep the biases and greatly improve the accuracy and overall effectiveness of a usability study.

Read the full paper here