Ebook Business research methods (8th edition): Part 2
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Ebook Business research methods (8th edition): Part 2
www.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for taking Ebook Business research methods (8th edition): Part 2 a sample rather than a complete census2Describe the process of identifying a target population and selecting a sampling frame3Compare random sampling and systematic (nonsampling) errors4Identify the types of nonprobability sampling, Including their advantages and disadvantages5Summarize the advanta Ebook Business research methods (8th edition): Part 2ges and disadvantages of the various types of probability samples6Discuss how to choose an appropriate sample design, as well as challenges for InternEbook Business research methods (8th edition): Part 2
et samplingChapter Vignette: Changing Pocketbook Problems for Today's FamiliesIt Is easy to ask people what they consider to be the most pressing finawww.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for taking Ebook Business research methods (8th edition): Part 2e minds of many families today. When pressed about which financial problem Is rnosr 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 Ebook Business research methods (8th edition): Part 2approximately1.000 U.S. adults, aged 18 and older, to capture public perceptions on a variety of relevant topKS. to include financial concerns of theEbook Business research methods (8th edition): Part 2
family. Since the sample is developed and obtained carefully, it serves as a representation of the popula-tion of adults in the U.S. who are 18 years www.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for taking Ebook Business research methods (8th edition): Part 2tional 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 based upon the theme of the response Ebook Business research methods (8th edition): Part 2.Interestingly, trends suggest that the most important financial problem facing families can often change over time, and may be reflective of the respEbook Business research methods (8th edition): Part 2
ondent's current awareness of the financial challenges of the day. For example, when energy and gas prices were at their highest during the summer of www.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for taking Ebook Business research methods (8th edition): Part 2 than six months (January 2009), energy and gas prices were mentioned by only 3 percent. While health care costs was mentioned by 19 percent of families in October 2007. only 9 mentioned health care a year later.The Implication of these types of changing trends suggest that financial problems facing Ebook Business research methods (8th edition): Part 2 families evolve over time. And, families often look no further than their own pocketbook (or credit card statement) when they consider their greatestEbook Business research methods (8th edition): Part 2
financial challenges. The use of large-scale representative samples by the Gallup Corporation helped reveal these interesting trends.'386www.downloadwww.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for taking Ebook Business research methods (8th edition): Part 2 a book, looks at the cover, and skims a few pages to get a sense of the writing style anti content before deciding whether to buy. A high school student visits a college classroom to listen to a professor's lecture. Selecting a university on the basis of one classroom visit may not be scientific sa Ebook Business research methods (8th edition): Part 2mpling, but in a personal situation, it may be a practical sampling experience. When measuring every item in a population IS impossible, inconvenient,Ebook Business research methods (8th edition): Part 2
or too expensive, we intuitively take a sample.Although sampling IS commonplace in daily activities, these familiar samples are seldom scientific. Fowww.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for taking Ebook Business research methods (8th edition): Part 2hapter explains the nature of sampling and ways to determine the appropriate sample design.Sampling TerminologyAs seen in the chapter vignette above, the process of sampling involves using a portion of a population to make conclusions about the whole population. A sample IS a subset, or some part, o Ebook Business research methods (8th edition): Part 2f a larger population. The purpose of sampling IS to estimate an unknown characteristic of asampleA subsetEbook Business research methods (8th edition): Part 2
tion.Sampling IS defined in terms of the population being studied. A population (universe) IS any complete group—for example, of people, sales territowww.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for taking Ebook Business research methods (8th edition): Part 2pulation.Researchers could study every element of a population to draw some conclusion. A census IS an investigation of all the individual elements that make up the population—a total enumeration rather than a sample. Thus, if we wished to know whether more adult Texans drive pickup trucks than seda Ebook Business research methods (8th edition): Part 2ns. We could contact every adult Texan and find out whether or not they drive a pickup truck or a sedan. We would then know the answer to this questioEbook Business research methods (8th edition): Part 2
n definitively.population (universe)Any complete group of entitles that share some comnvxi set of characteristics.population elementAn individual membwww.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for taking Ebook Business research methods (8th edition): Part 2 having a small taste from each of a number of different wines. From this, the taster decides if he or she likes a particular wine and if It IS judged to be of low or high quality. If an entire bottle were consumed to decide, the taster may end up not caring care about the next bottle. However, in a Ebook Business research methods (8th edition): Part 2 scientific study in which the objective is to determine an unknown population value, why should a sample rather than a complete census be taken?PragmEbook Business research methods (8th edition): Part 2
atic Reasonswww.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for taking www.downloadslide.comCHAPTER 16 SAMPLING DESIGNS AND SAMPLING PROCEDURESAfter studying this chapter, you should be able to1Explain reasons for takingGọi ngay
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