Sampling and Statistics 2

Sampling and Statistics 2 - Research Methods Sampling and...

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Research Methods Sampling and Statistics Lecture Material by Laurel Tranynowicz Reliability-achieved when researchers are consistent in their use of data collection procedures and when participants react similarly to them; other researchers using the same measure in another project with comparable participants would produce similar results; measurement is stable, trustworthy or dependable; a reliable measure is one that is consistent or gives very similar results each time it is used. Operationalization-statement that denotes how the variable is observed and measured in a specific way; most variables can be operationalized in multiple ways. Validity-achieved when the measurement does what it is intended to do; related to truthfulness or accuracy in measurement. Nonprobality sampling-sampling that does not rely on a form of random selection. Convenience sampling-the researcher simply selects those people who are convient to him or her as respondents. Volunteer sampling-the researcher relies on individuals who express interest in the topic or who
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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 2 - Research Methods Sampling and...

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