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Copyright © 2007 The McGraw-Hill Companies, Inc.

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Presentation on theme: "Copyright © 2007 The McGraw-Hill Companies, Inc."— Presentation transcript:

1 Copyright © 2007 The McGraw-Hill Companies, Inc.

2 SCIENTIFIC UNDERSTANDING OF BEHAVIOR
CHAPTER 1 SCIENTIFIC UNDERSTANDING OF BEHAVIOR

3 LEARNING OBJECTIVES Explain the reasons for understanding research methods Describe the scientific approach to learning about behavior, and contrast it with pseudoscientific research

4 LEARNING OBJECTIVES Define and give examples of the four goals of scientific research: description, prediction, determination of cause, and explanation of behavior Define and describe basic and applied research

5 USES OF RESEARCH METHODS
Increasingly important in public policy and judicial decisions Important when developing and assessing the effectiveness of goal oriented programs

6 USES OF RESEARCH METHODS
Informed citizens increasingly need knowledge of research methods Many occupations require the use of research findings

7 THE SCIENTIFIC APPROACH
Limitations of Intuition Intuition relies unquestioningly on personal judgment Involves cognitive and motivational biases Erroneous conclusions about cause and effect Example: Illusory correlation

8 THE SCIENTIFIC APPROACH
Examples of Authority News media Books Government officials Religious figures

9 THE SCIENTIFIC APPROACH
Limitations of Authority Many believe statements based on authority; scientific approach rejects this notion and requires much more evidence before conclusions can be drawn

10 THE SCIENTIFIC APPROACH
Skepticism, Science, and the Empirical Approach Empiricism Falsifiability Peer review Integrating Intuition, Skepticism, and Authority

11 Elements of Goodstein’s Evolved Theory of Science
Observations accurately reported to others + Search for discovery and verification of ideas Open exchange and competition among ideas Peer review of research

12 THE SCIENTIFIC APPROACH
Characteristics of pseudoscience Hypotheses generated are not typically testable If scientific tests are reported, methodology is not scientific and validity of data is questionable Supportive evidence is anecdotal and does not cite scientific references Claims ignore conflicting evidence Claims tend to be vague, and appeal to pre-conceived ideas Claims are never revised

13 GOALS OF SCIENCE Description of Behavior Prediction of Behavior
Determining the Causes of Behavior Temporal precedence Covariation of the cause and effect Alternative explanations Explanation of Behavior

14 BASIC AND APPLIED RESEARCH
Basic Research Fundamental questions about the nature of behavior - Theoretical issues often concern basic phenomena such as cognition, emotion, motivation, learning, psychobiology, personality development, and social behavior.

15 BASIC AND APPLIED RESEARCH
Conducted to address issues in which there are practical problems and potential solutions. Program evaluation

16 BASIC AND APPLIED RESEARCH
Comparing Basic and Applied Research Neither is considered superior to the other Applied research is often guided by theories and findings of basic research Findings in applied settings often require modification of existing theories and spur more basic research Basic research is crucial to public policy


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