Chapter 9 explains what actions are necessary to design an interactive product that will support the users rather than constrain them. This chapter is all about involving the user as much as possible in the development of the design; this is defined as User-Centered Approach. Upstanding who is your user is the starting point. Making sure to support the users’ goals more effectively than they expected is next and last is Iteration because nobody gets the solution right the first time. Creating and researching alternatives is the key to effective design because it inspirers and encourages consideration of other and possibly better outcomes. Prototyping is a must and users’ feedback helps save time and assists the designers in evaluating the design so that they can come up with the perfect balance of tradeoffs that best for their target market. This whole process can extremely confusing that’s why management uses lifecycles models. These models explain how all the development activities relate to one another. There are a lot of different kinds of models but there all used for the same purpose.
Chapter 10 is all about how important to get the requirements right! There are different kinds of requirements each is significant for interaction design. Every product wills always has functional (What it should do), data(What kinds of data is needed and how to store it), environmental(The physical, social and organizational context of use), users characteristics(Ability, background, and attitude to computers), usability goals and user experience requirements no matter what. The most commonly-used techniques for data gathering are: questionnaires, interviews, focus groups, direct observation, studying documentation and researching similar products. Analyzing the collected data has information about the user that creates knowledge that is used to help express envisioned use of the new product.
In these two chapters it’s all about the user. All the concepts are pretty straight forward and have good examples, that help you understand how they are implemented, the only problem I had with the reading is that the book it was hard to read . I think this material could be better taught using explicit learning rather than implicit