THM 2112 - Lecture Week 13

THM 2112 - Lecture Week 13 - THM 2112 Sophomore Research...

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4/20/2011 1 THM 2112 Sophomore Research Seminar Chapter 6 Measurement of Variables Operational Definition Florian Zach, Ph.D. Assistant Professor How variables are measured Measurement : the assignment of numbers or other symbols to characteristics (or attributes) of objects according to a pre- specified set of rules . 2
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4/20/2011 2 Objects and their characteristics Objects include persons, sport teams, companies, countries, kitchen appliances, restaurants, instant noodles, yogurt and so on. Examples of characteristics of objects are arousal seeking tendency, achievement motivation, organizational effectiveness, shopping enjoyment, length, weight, ethnic diversity, service quality, conditioning effects, taste, etc. (Note: Many of them are abstract and subjective !) 3 Types of variables Two types of variables: One lends itself to objective and precise measurement (e.g., attendance). The other is more nebulous and does not lend itself to accurate measurement because of its abstract and subjective nature (e.g., a “hard - working” employee). 4
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4/20/2011 3 Operationalization of variables Operationalizing concepts: reduction of abstract concepts to render them measurable in a tangible way (i.e., using observable behavior or characteristics) . Operationalizing is done by looking at
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THM 2112 - Lecture Week 13 - THM 2112 Sophomore Research...

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