What is user case study?
UX case studies are examples of design work which designers include in their portfolio. To give recruiters vital insights, designers tell compelling stories in text and images to show how they handled problems. Such narratives showcase designers' skills and ways of thinking and maximize their appeal as potential hires.
What is a user research study?
User research focuses on understanding user behaviors, needs, and motivations through observation techniques, task analysis, and other feedback methodologies. Mike Kuniaysky further notes that it is “the process of understanding the impact of design on an audience.”