1、Jake and 10 other consumers were invited to participate in a focus group to discuss their experience with using the Apple® iPhone® mobile digital device. Develop a set of questions the focus group moderator might ask to gain a better understanding of their experience. 2、What is survey research? What are the advantages and disadvantages of using surveys to collect data? Describe a research situation where survey research is appropriate and explain why. 3、What essential characteristics distinguish a true experiment from other research designs? What ethical problems do you see in conducting experiments with humans?