Problem 1: Provide a simple definition of a nonprobability sampling and provide an example of each type of nonprobability sampling.
Problem 2: Jake and 10 other consumers were invited to participate in a focus group to discuss their experience with using the iPhone. Develop a set of questions the focus group moderator might ask to gain a better understanding of their experience. What strategies do you use in writing the questions to ensure you get reliable and valid responses from the interviewees?