From crowd sourcing to co-design, or just using professional experience and training, design requires proper use of Gestalt principles and leveraging cognitive psychology to make designs easy to use.
Techniques and tools used for Interaction Design:
Early in my career I was exposed to the value of having a strong user research discipline. One of my first clients had discovered a market need, but overlooked context of use, resulting in poor sales and numerous complaints.
Since then, I have embraced upfront and ongoing research as part of the user-centered design process. Below are some of the research techniques I use.
ServiceNow wanted to provide an end-to-end framework for metrics & user validation. It took considerable effort, reviewing 70+ surveys, articles, and criticisms, to create a framework that was piloted and adopted throughout the company.
Not only did it act as end user validation, it also provided a quality assessment for executives to understand where design was going wrong.