Basic Concepts 4

Basic Concepts 4 - Research Methods Basic Concepts Lecture...

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Research Methods Basic Concepts Lecture Material by Laurel Tranynowicz Measurement- a descriptive device that allows us to evaluate what is described; a process that includes everything the researcher does to arrive at the numeric estimates; the process of assigning a person, event, or thing to a particular category Value of the measurement comes from the meaning we assign or impose arbitrarily Measurement includes o The measuring device or instrument o How the device or instrument is used o Skill of the person using the device or instrument Types of Comparisons 1. Comparison among individuals (many measurements of the same variable) 2. Comparison among studies using the same measure (replication) 3. Comparison among similar measures Levels of Measurement in Communication Research Discrete data (nominal data, categorical data)-describes the presence or absence of some characteristic or attribute - Variables are represented by several categories - Category levels within a particular variable possess no inherent value - Categories of a nominal variable need to be representative of the people involved in order to be valid and reliable a. Mutually exclusive
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Basic Concepts 4 - Research Methods Basic Concepts Lecture...

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