Contextual Inquiry
A field research method where researchers observe and interview users in their natural environment to understand their tasks and challenges.
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“design biases”
System Two
A mode of thinking, derived from Dual Process Theory, that is slow, deliberate, and analytical, requiring more cognitive effort and conscious reasoning.
Tree Testing
A usability technique used to evaluate the findability and labeling of topics in a website's structure by having participants find specific items in a simplified text version of the site.
Performance Load
The mental and physical effort required to complete a task, influencing user experience and performance.
Wizard of Oz Testing
A usability testing method where users interact with a system they believe to be autonomous, but which is actually operated by a human.
Law of Diminishing Returns
A principle stating that as investment in a single area increases, the rate of return on that investment eventually decreases.
Improvement Kata
A structured routine for continuous improvement based on a scientific approach to problem-solving and process optimization.
Scarcity Principle
The economic theory that suggests limited availability of a resource increases its value, influencing decision-making and behavior.
NPD
New Product Development (NPD) is the complete process of bringing a new product to market, from idea generation to commercialization.