(BQ) Part 2 book "Business research methods" has contents: Sampling designs and sampling procedures, determination of sample size - a review of statistical theory, sampling and fieldwork, data analysis and presentation, univariate statistical analysis,.and other contents. | U O G IN TC O M ES RN A LE CHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURES After studying this chapter, you should be able to 1. Explain reasons for taking a sample rather than a complete census 2. Describe the process of identifying a target population and selecting a sampling frame 3. Compare random sampling and systematic (nonsampling) errors 4. Identify the types of nonprobability sampling, including their advantages and disadvantages 5. Summarize the advantages and disadvantages of the various types of probability samples 6. Discuss how to choose an appropriate sample design, as well as challenges for Internet sampling © SUSAN VAN ETTE N Chapter Vignette: Changing Pocketbook Problems for Today’s Families It is easy to ask people what they consider to be the most pressing financial problems they face. From low wages, to rising health care and housing costs, to a concern for too much debt, these problems are constantly on the minds of many families today. When pressed about which financial problem is most important, some interesting trends occur. These trends could not have been captured if not for the work of large-scale sampling of populations. Each quarter, the Gallup Corporation develops a representative sample of approximately 1,000 . adults, aged 18 and older, to capture public perceptions on a variety of relevant topics, to include financial concerns of the family. Since the sample is developed and obtained carefully, it serves as a representation of the population of adults in the . who are 18 years or older. As a result of this sampling technique, researchers can be 95 percent confident that the responses of the sample are reflective of this national population, with a sampling error of less than 3 percent. Using telephone based interviews, the Gallup Corporation asks the respondent to describe “the most important financial problem facing your family today.” Responses are open-ended, and are then coded .
