You have been hired to redesign an inventory management system at a Doggo's Delights, a high end pet food retailer. Their current system doesn't work anymore. You've prepared for the first meeting by reading through all the performance reports, and documentation about the current system. You think you can get this done quickly by focusing on specific issues rather than exploring the problems more. However, you need to get your ideas about these specific issues validated by as many users as you can. Which technique will you use? Process Observation O JAD Questionnaires Focus group interviews