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Understanding Measurement Scales and Scientific Concepts

Explore the importance of concepts, constructs, and variables in scientific thinking. Learn about operational definitions and how they shape research methodology. Distinguish between theoretical and empirical levels of understanding and the role of constructs in job redesign.

anjolie-briggs
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Understanding Measurement Scales and Scientific Concepts

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  1. Chapter 12 Measurement Scales

  2. Reflective Thinking and the Scientific Method Scientific methods and scientific thinking are based on concepts, the symbols we attach to bundles of meaning that we hold and share with others. We invent concepts to think about and communicate abstractions. We also use higher-level concepts-constructs-for specialized scientific explanatory purposes that are not directly observable. Concepts, constructs, and variables may be defined descriptively or operationally. Operational definitions, which are essential in research, must specify adequately the empirical information needed and how it will be collected. In addition, they must have the proper scope or fit for the research problem at hand.

  3. Concepts and Constructs Concepts and Constucts are used at the theoretical levels; variables are use at the empirical level. Variables accept numerals or values for the purpose of testing and measurement. They may be classified as explanatory (independent, dependent, or moderating), extraneous, and intervening.

  4. Vocabulary Syntax Spelling Manuscript errors Format accuracy Typing speed Constructs Composed of Concepts in a job Redesign Example “Job Interest Construct” (Components unknown by analyst) Most abstract “Language Skill Construct” “Presentation Quality Construct” Level of abstraction Most concrete

  5. Untukmelihat file lengkapnyasilahkanmenghubungikamidiwww.mb.ipb.ac.id

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