Preface | p. v |
About the Authors | p. ix |
Thinking Scientifically | p. 1 |
Why Bother to Be Systematic? | p. 4 |
The Role of Reasoned judgment and Opinion | p. 5 |
The Role of Imagination, Intuition, and Custom | p. 6 |
The Elements of Science | p. 11 |
The Origin and Utility of Concepts | p. 12 |
What Is a Variable? | p. 15 |
The Hypothesis | p. 24 |
The Scientific Method | p. 27 |
The Many Roles of Theory | p. 29 |
Strategies | p. 38 |
Thinking Over the Problem | p. 40 |
Reality Testing | p. 46 |
Understanding the Results | p. 50 |
Refinements | p. 58 |
Hypotheses | p. 59 |
Variables | p. 73 |
Measuring Variables and Relationships | p. 78 |
Measuring Variables: Levels of Measurement | p. 79 |
Measuring the Significance and Representativeness of Data: Probability, Sampling, and Problems in Polling | p. 84 |
Measuring Relationships Between Variables: Association and Correlation | p. 92 |
Computers and Statistics | p. 113 |
Reflections: Back to the Roots | p. 118 |
Factuality, Reality, and Actuality | p. 119 |
Morality and the Limits of Science | p. 122 |
Of Scientists, Science, and Paradigms | p. 127 |
Making Social Science Serve Human Needs | p. 129 |
The Radicalism of Science | p. 132 |
Science and Politics | p. 133 |
Tuning In, Tuning Out: The Strange Disappearance of Social Capital in America | p. 138 |
Trust in Government: The United States in Comparative Perspective | p. 167 |
Index | p. 192 |
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