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Ch03 ppt-theory
1. Chapter Three: The Use of Theory RESEARCH DESIGN Qualitative, Quantitative, and Mixed Methods Approaches Third Edition John W. Creswell
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5. The Deductive Approach Used in Quantitative Research Researcher measures or observes variables using an instrument to obtain scores Researcher defines and operationalizes variables derived from the theory Researcher tests hypotheses or research questions from the theory Researcher tests or verifies a theory
6. Placing Theory in a Quantitative Study Placement Advantages Disadvantages In the introduction Common approach; familiar to readers; conveys a deductive approach Difficult for a reader to isolate theory base from other components of the research process In the literature review Including theories in a literature review is a logical extension or part of the literature Difficult for a reader to see the theory in isolation from the larger literature After hypotheses or research questions The theory discussion explains how and why variables are related May leave out an extended discussion about the origin and use of the theory In a separate section Clearly separates the theory from other components of the research process, enables a reader to better identify and to understand the theory base The theory discussion is isolated and may not easily connect with other components of the research process
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8. The Inductive Logic of Research in a Qualitative Study Researcher asks open-ended questions of participants or records fieldnotes Researcher analyzes data to form themes or categories Researcher looks for broad patterns, generalizations, or theories from themes or categories Researcher poses generalizations, or theories, and compares to past experiences and literature Researcher gathers information
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10. Chapter Three: The Use of Theory RESEARCH DESIGN Qualitative, Quantitative, and Mixed Methods Approaches Third Edition John W. Creswell