ISAR user interface design

	User Study User Study is very important becuase of its effect on the market performance of a product. It takes a significant role in product design, because it affects the products functional design, shape and interface directly.
	Interface Design It refers to the customer- oriented design procedures, which aim to make the product easy and joy to use, while meeting the target groups’ needs.
	Usability Evaluation Usability evaluation helps to find the usability problems of a product's prototype. Discovering these problems early helps to improve product development.