The Data Gathering Chapter describes five key issues respectively in the beginning, these issues are offering the format or pre-thinking questions about how the data gathering should be done, like setting goals and identifying participants. The next part is related to the method about recording the data, video and audio are always the best choice as long as the participants agree with that; The mean context is about three data gathering methods, which are commonly used in interaction design; Interviews, Questionnaires, and Observation. Each of them has main using area and performs better for some respect. Here I just brief mention the main methods I will use for the project as a example. Interview is good for exploring issues and always gathering quantitative and mostly qualitative data. on the other hand, it strengthens the communication between the interviewer and interviewee. But obviously it consumes lots of time as considering the preparing and analysing, and also needs the cooperation with the participants.
Chapter 8:
The Data Analysis chapter describes the difference between qualitative and quantitative data in a detail, and how to analysis between them. Quantitative and qualitative data can be analysed for different patterns or trends by using simple and graphical data representatives. Qualitative data can be dealing with using various approaches, such as categories or themes, or using theoretical frameworks(grounded theory), distributed cognition and activity theory.
Chapter 10:
For the last chapter, The importance of the requirements activity has been mentioned again in more details, as well as how to establish requirements for the interaction design. Contextual inquiry, studying documentation, and researching similar products are techniques which are widely used in gathering requirement data.
Questions:
1. How to combine the data gathering methods during one research?
2. How many data do we need for analysing for our project?
3. The success example of using Contextual Inquiry.
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