comm 88 section

comm 88 section - reason why to generalize these results...

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Madison Jesseman 4-22-11 Sampling and Polls 1. The type of sampling used in the study by Jiang, Bazarova, and Hancock was random sampling. They chose members from the population and used them in the experiment. The polls used by Pew and Rasmussen used survey sampling, where they would survey certain members of a population. The distinction between the two is important because they test different things, and have different percentage of error, so it affects the external validity of both. 2. The population from the study of Jiang, Bazarova, and Hancock were students, and there was eighty-five of them. The population from Pew and Rasmussen were those who were called over the telephone, and there were 5,216 of them. The researchers can generalize their results to the surrounding communities for all of the studies, however only on a national level. These issues do not concern other nations so there would be no
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Unformatted text preview: reason why to generalize these results any further than our national boundaries. However, even within our nation, we might see some error due to the small amount of participation in the experiments. Different results may have been seen if the researchers decided on a completely different area to take their samples from. Around the country, there are clusters of people of the same race, age, and political views, so that may have affected the end results of the experiment. Part B: The sampling method my group was planning on using may present us with a problem. The first thing I thought of was that the group we planned on sampling may be too similar. By simply asking our own friends, they may share the same qualities and personality traits as ourselves, making the results impossible to apply outside of Santa Barbara....
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This note was uploaded on 08/26/2011 for the course COMM 88 taught by Professor Jansma during the Spring '08 term at UCSB.

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comm 88 section - reason why to generalize these results...

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