Lecture 2 - Statistics And its role in research What is...

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1 Statistics And its role in research What is Statistics? s Providing tools that the researcher can use in carrying out the kind of observational research that is essentially quantitative. s Providing a framework in reasoning from data so that generalized statements about the data can be made. Key Terms s Phenomenon s object, event s Variable s an observable characteristic of an object or event s Data s reports of observations of variables s Measurement s assignment of numbers or symbols to specify a variable
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2 Key Terms s Population s any class of phenomena s Sample s portion of the population s Subjects s persons being studied s Statistical analyses s statistical procedures on the data Empirical Research Plans s The Problem s Problem statement (purpose, question, hypothesis) s The Method s Method types s Subjects, materials, and procedures s Statistical analyses s The Results Levels of Measurement
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3 What is Measurement? s
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This document was uploaded on 10/27/2011 for the course RHIM 5333 at Texas Tech.

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Lecture 2 - Statistics And its role in research What is...

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