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ch02 - Chapter2: RESEARCHMETHODS ChapterOutline 1 2 3 4 5...

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Chapter 2: Psychology As a Science RESEARCH METHODS
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Chapter Outline 1. What is a Science? 2. Is Psychology Really a Science? 3. How Do Psychologists Conduct Research?  4. How Do Psychologists Make Sense of Research  Results? 5. What Ethical Research Guidelines Do Psychologists  Follow?
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What is Science? 2 Core Beliefs of Science 1) The universe operates according to certain natural laws.   2) Such laws are discoverable and testable . The scientific method uses Inductive and Deductive reasoning Hypothetical deductive reasoning
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Inductive and Deductive Reasoning General Specific General Deductive Reasoning: Using general principles to apply to a specific situation. Inductive Reasoning: Using specific examples to make general conclusions.
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The Steps in the Scientific  Method
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Is Psychology a Real Science? Psychology- Using the  scientific method  to study  human behavior and mental processes. Pseudopsychology-  No use  of the scientific method  when commenting on human behavior and mental  processes. Examples: parapsychology, astrology, etc.
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How do Psychologists Conduct Research? Two parts to a study Independent Variable (IV)- the variable that you  manipulate. Dependent Variable (DV)- the variable that you measure  (or the variable that is changed by the IV).
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In Class Practice: What is the IV and DV in each experiment? 1) Dr. Smith examines daily exposure to a sun  lamp (1 hour of exposure or no exposure)  impacts people’s depression levels in the  winter time. 2) Does age of child (4, 5, or 6) influence when  children can learn to read? 3) Does amount of time reading this textbook  (every day, once a week, or none) influence  how you will do on the exams?
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Operational Definitions
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