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| List of Tables and Figures | |
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| Preface | |
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| The Scientific Study of Research Questions | |
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| What Does It Mean to Be Scientific? | |
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| Distinguishing Empirical and Normative Questions | |
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| Reformulating Normative Questions as Empirical | |
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| Research Questions | |
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| The Scientific Research Process | |
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| Exercises | |
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| Suggested Answers to Exercises | |
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| Building Blocks of the Research Process | |
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| Theories, Hypotheses, and Operational Definitions: An Overview | |
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| Types of Hypotheses | |
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| Theoretical Role | |
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| Units of Analysis | |
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| Operational Definitions | |
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| Exercises | |
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| Suggested Answers to Exercises | |
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| Research Design | |
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| The Concept of Causality | |
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| Types of Research Design | |
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| Exercises | |
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| Suggested Answers to Exercises | |
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| Published Data Sources | |
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| The Internet as Data Source | |
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| The Importance of Units of Analysis | |
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| Strategies for Finding Data Sources | |
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| Some General Data Sources | |
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| Demographic Data | |
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| Political and Governmental Data for Nations | |
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| Data on U.S. Government and Politics | |
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| Survey Data | |
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| Content Analysis | |
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| Steps in Content Analysis | |
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| Issues in Content Analysis | |
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| Exercises | |
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| Suggested Answers to Exercises | |
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| Survey Research | |
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| Sampling | |
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| Interviewing | |
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| Writing Survey Items | |
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| Exercises | |
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| Suggested Answers to Exercises | |
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| Statistics: An Introduction | |
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| Levels of Measurement | |
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| Univariate Statistics | |
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| The Concept of Relationship | |
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| Multivariate Statistics | |
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| Exercises | |
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| Suggested Answers to Exercises | |
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| Graphic Display of Data | |
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| Graphics for Univariate Distributions | |
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| Graphics for Multivariate Relationships | |
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| How Not to Lie with Graphics | |
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| The Need for Standardization | |
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| Principles for Good Graphics | |
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| Exercises | |
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| Suggested Answers to Exercise A | |
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| Nominal and Ordinal Statistics | |
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| Correlations for Nominal Variables | |
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| Correlations for Ordinal Variables | |
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| Chi-Square: A Significance Test | |
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| Additional Correlations for Nominal Variables | |
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| Interpreting Contingency Tables Using Statistics | |
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| Exercises | |
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| Suggested Answers to Exercises | |
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| Interval Statistics | |
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| The Regression Line | |
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| Pearson's r | |
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| Nonlinear Relationships | |
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| Relationships Between Interval and Nominal Variables | |
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| Exercises | |
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| Suggested Answers to Exercises | |
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| Multivariate Statistics | |
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| Controlling with Contingency Tables | |
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| What Can Happen When You Control | |
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| Controlling with Interval Variables: Partial Correlations | |
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| The Multiple Correlation | |
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| Significance Test for R[superscript 2] | |
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| Beta Weights | |
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| Causal Interpretation | |
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| Exercises | |
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| Suggested Answers to Exercises | |
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| References | |
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| Index | |