TAILIEUCHUNG - User Interface Design for Mere Mortals PHẦN 6

Các phiên bản trước của hệ điều hành Mac OS X, thể hiện trong hình 2,20, có bao gồm những cải tiến ấn tượng trong việc tìm kiếm cho các tập tin và thư mục trên máy Mac của bạn, giao diện Aqua trong đó có cửa sổ trong suốt và "gel" nút mà gây ra rất nhiều bắt chước trong một thời gian, và Dock, đó là | 132 Chapter 5 Summary This chapter began with a discussion about the psychology of user actions and user misunderstandings and misinterpretations and how and why they happen. It also covered how personality types identified in the Myers-Briggs Type Indicator can affect users actions and how those temperaments can affect the type of questions they ask when being persuaded to do something. Knowledge in the brain versus knowledge in the world was covered next. You learned how most people rely on imprecise knowledge to get through a situation. This is largely because our brains can accept only so much information and we break up more complex tasks into smaller ones so we can keep track of everything. You also learned how people are reminded of knowledge by the world and what the trade-off is using knowledge from the brain and from the world. A discussion of task structures followed the topic of breaking up tasks. It talked about the different types of task structures wide and deep structures that provide a large number of choices shallow structures that offer a toplevel choice and a few subchoices and deep and narrow structures that provide step-by-step instructions for completing a task. Our conscious and subconscious behavior determine the type of task we use. Next this chapter covered transforming difficult tasks into simple ones to allow digestion of a user interface. It discussed seven task simplification principles that you can use in any design situation. The seventh and final principle is the most important one When all else fails standardize. The chapter included a discussion on how computer users bring a conceptual model with them in their brains when they approach a new user interface. That conceptual model is based on the users past experiences beliefs and ways of doing things. The chapter concluded with the step-by-step process that users go through when they create a conceptual model. How Users Behave 133 Review Questions Now it s time to review what you

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