Sampling and Statistics 7

Sampling and Statistics 7 - Research Methods Sampling and...

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Research Methods Sampling and Statistics Lecture Material by Laurel Tranynowicz Within social scientific inquiry, we find established conventions related to how to pick individuals for research. The language presented here is meaningful in the history of scientific inquiry. POPULATION: All the people who possess the characteristic of interest. (Universe refers to people and/or things.) Example---question is “Who will vote in today’s primary?” Population is all potential (i.e., registered) voters. Example---question is “How do BSU students feel about university administration?” Population is BSU students. SAMPLE: A subset of a population. CENSUS: When all members of a population are counted or measured, such as in the U.S. census or 100% sampling. SAMPLING FRAME: Ideally, contains all the members of the population. In actual practice, is a representative pool of individuals from the population. In other words, who has a chance to be selected? (E.g., observing those who are at the University Drive crosswalk on Tuesday morning.) RANDOM SAMPLING: (aka PROBABLITY SAMPLING)
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This note was uploaded on 01/29/2011 for the course COMMUNCATI COMM 302 taught by Professor Laureltraynowicz during the Spring '09 term at Boise State.

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Sampling and Statistics 7 - Research Methods Sampling and...

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