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xvi | |
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xviii | |
Preface |
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xxi | |
Acknowledgments |
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xxiv | |
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1 The Scientific Study of Society |
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1 | (28) |
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1 | (1) |
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1 | (3) |
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1.2 Approaching Sociology Scientifically: The Search for Causal Explanations |
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4 | (4) |
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1.3 Thinking About the World in Terms of Variables and Causal Explanations |
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8 | (8) |
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16 | (1) |
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1.5 Rules of the Road to Scientific Knowledge about Society |
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16 | (3) |
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1.5.1 Make Your Theories Causal |
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17 | (1) |
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1.5.2 Don't Let Data Alone Drive Your Theories |
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17 | (1) |
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1.5.3 Consider Only Empirical Evidence |
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18 | (1) |
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1.5.4 Avoid Normative Statements |
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18 | (1) |
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1.5.5 Pursue Both Generality and Parsimony |
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19 | (1) |
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1.6 The Ethics of Social Research |
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19 | (5) |
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20 | (1) |
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21 | (1) |
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22 | (1) |
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1.6.4 Anonymity and Confidentiality |
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23 | (1) |
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24 | (5) |
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Concepts Introduced in This Chapter |
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25 | (1) |
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26 | (3) |
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2 The Art of Theory Building |
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29 | (17) |
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29 | (1) |
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2.1 Good Theories Come from Good Theory-Building Strategies |
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29 | (1) |
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2.2 Promising Theories Offer Answers to Interesting Research Questions |
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30 | (1) |
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2.3 Identifying Interesting Variation |
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30 | (3) |
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2.3.1 Time-Series Example |
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31 | (1) |
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2.3.2 Cross-Sectional Example |
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32 | (1) |
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2.4 Learning to Use Your Knowledge |
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33 | (3) |
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2.4.1 Moving from a Specific Event to More General Theories |
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34 | (1) |
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2.4.2 Know Local, Think Global: Can You Drop the Proper Nouns? |
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35 | (1) |
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2.5 Examine Previous Research |
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36 | (2) |
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2.5.1 What Did the Previous Researchers Miss? |
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36 | (1) |
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2.5.2 Can Their Theory Be Applied Elsewhere? |
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37 | (1) |
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2.5.3 If We Believe Their Findings, Are There Further Implications? |
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37 | (1) |
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2.5.4 How Might This Theory Work at Different Levels of Aggregation (Micro Macro)? |
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38 | (1) |
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2.6 How Do I Know If I Have a "Good" Theory? |
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38 | (3) |
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2.6.1 Does Your Theory Offer an Answer to an Interesting Research Question? |
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39 | (1) |
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2.6.2 Is Your Theory Causal? |
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39 | (1) |
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2.6.3 Can You Test Your Theory on Data That You Have Not Yet Observed? |
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40 | (1) |
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2.6.4 How General Is Your Theory? |
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40 | (1) |
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2.6.5 How Parsimonious Is Your Theory? |
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40 | (1) |
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2.6.6 How New Is Your Theory? |
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40 | (1) |
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2.6.7 How Nonobvious Is Your Theory? |
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41 | (1) |
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41 | (5) |
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Concepts Introduced in This Chapter |
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41 | (1) |
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42 | (4) |
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3 Evaluating Causal Relationships |
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46 | (19) |
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46 | (1) |
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3.1 Causality and Everyday Language |
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46 | (3) |
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3.2 Four Hurdles along the Route to Establishing Causal Relationships |
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49 | (8) |
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3.2.1 Putting It All Together - Adding Up the Answers to Our Four Questions |
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51 | (1) |
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3.2.2 Identifying Causal Claims Is an Essential Thinking Skill |
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52 | (4) |
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3.2.3 What Are the Consequences of Failing to Control for Other Possible Causes? |
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56 | (1) |
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3.3 Why Is Studying Causality So Important? Three Examples from Sociology |
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57 | (4) |
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3.3.1 Intergroup Contact and Racial Tolerance |
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57 | (1) |
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3.3.2 Race and Political Participation in the U.S. |
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58 | (2) |
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3.3.3 Evaluating Whether Head Start Is Effective |
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60 | (1) |
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61 | (4) |
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Concepts Introduced in This Chapter |
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62 | (1) |
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62 | (3) |
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65 | (21) |
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65 | (1) |
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4.1 Comparison As the Key to Establishing Causal Relationships |
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65 | (1) |
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4.2 Experimental Research Designs |
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66 | (11) |
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4.2.1 "Random Assignment" versus "Random Sampling" |
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72 | (1) |
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4.2.2 Varieties of Experiments and Near-Experiments |
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73 | (1) |
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4.2.3 Are There Drawbacks to Experimental Research Designs? |
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74 | (3) |
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4.3 Observational Studies (in Two Flavors) |
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77 | (5) |
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4.3.1 Datum, Data, Data Set |
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79 | (1) |
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4.3.2 Cross-Sectional Observational Studies |
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80 | (1) |
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4.3.3 Time-Series Observational Studies |
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80 | (1) |
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4.3.4 The Major Difficulty with Observational Studies |
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81 | (1) |
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82 | (4) |
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Concepts Introduced in This Chapter |
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83 | (1) |
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84 | (2) |
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86 | (13) |
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86 | (1) |
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86 | (1) |
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5.2 Modes of Survey Administration |
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87 | (5) |
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5.2.1 Face-to-Face In-Person Interviews |
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87 | (1) |
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5.2.2 Self-Administered Questionnaires |
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88 | (1) |
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5.2.3 Telephone Interviews |
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88 | (1) |
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89 | (1) |
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5.2.5 Survey-Based Experiments |
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90 | (2) |
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5.3 Already Existing Survey Data Sets |
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92 | (2) |
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5.3.1 General Social Survey (GSS) |
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92 | (1) |
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5.3.2 American National Election Study (ANES) |
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93 | (1) |
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5.3.3 International Social Survey Programme (ISSP) |
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93 | (1) |
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5.3.4 World Values Survey (WVS) |
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94 | (1) |
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94 | (5) |
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5.4.1 Simple Random Samples |
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95 | (1) |
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5.4.2 Systematic Random Samples |
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95 | (1) |
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5.4.3 Stratified Random Sampling |
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96 | (1) |
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5.4.4 Multistage Cluster Sampling |
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96 | (1) |
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Concepts Introduced in This Chapter |
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97 | (1) |
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98 | (1) |
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6 Measuring Concepts of Interest |
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99 | (15) |
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99 | (1) |
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6.1 Getting to Know Your Data: Evaluating Measurement |
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99 | (2) |
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6.2 Social Science Measurement: The Varying Challenges of Quantifying Humanity |
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101 | (3) |
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6.3 Problems in Measuring Concepts of Interest |
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104 | (5) |
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104 | (1) |
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105 | (1) |
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6.3.3 Measurement Bias and Reliability |
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106 | (1) |
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107 | (1) |
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6.3.5 The Relationship between Validity and Reliability |
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108 | (1) |
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6.4 Controversy: Measuring Racial Tolerance |
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109 | (2) |
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6.5 Are There Consequences to Poor Measurement? |
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111 | (1) |
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111 | (3) |
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Concepts Introduced in This Chapter |
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112 | (1) |
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112 | (2) |
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7 Getting to Know Your Data |
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114 | (17) |
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114 | (1) |
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7.1 Getting to Know Your Data Statistically |
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114 | (1) |
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7.2 What Is the Variable's Measurement Metric? |
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115 | (4) |
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7.2.1 Categorical Variables |
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116 | (1) |
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116 | (1) |
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7.2.3 Continuous Variables |
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117 | (1) |
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7.2.4 Variable Types and Statistical Analyses |
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118 | (1) |
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7.3 Describing Categorical Variables |
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119 | (1) |
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7.4 Describing Continuous Variables |
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119 | (8) |
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121 | (2) |
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123 | (4) |
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7.5 Limitations of Descriptive Statistics and Graphs |
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127 | (4) |
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Concepts Introduced in This Chapter |
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128 | (1) |
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129 | (2) |
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8 Probability and Statistical Inference |
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131 | (16) |
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131 | (1) |
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8.1 Populations and Samples |
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131 | (2) |
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8.2 Some Basics of Probability Theory |
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133 | (2) |
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8.3 Learning about the Population from a Sample: The Central Limit Theorem |
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135 | (6) |
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8.3.1 The Normal Distribution |
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136 | (5) |
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8.4 Example: Presidential Approval Ratings |
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141 | (3) |
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8.4.1 What Kind of Sample Was That? |
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143 | (1) |
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8.4.2 A Note on the Effects of Sample Size |
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143 | (1) |
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8.5 A Look Ahead: Examining Relationships between Variables |
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144 | (3) |
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Concepts Introduced in This Chapter |
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145 | (1) |
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145 | (2) |
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9 Bivariate Hypothesis Testing |
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147 | (30) |
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147 | (1) |
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9.1 Bivariate Hypothesis Tests and Establishing Causal Relationships |
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147 | (1) |
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9.2 Choosing the Right Bivariate Hypothesis Test |
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148 | (1) |
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149 | (3) |
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9.3.1 The Logic of p-Values |
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149 | (1) |
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9.3.2 The Limitations of p-Values |
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150 | (1) |
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9.3.3 From p-Values to Statistical Significance |
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151 | (1) |
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9.3.4 The Null Hypothesis and p-Values |
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152 | (1) |
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9.4 Four Bivariate Hypothesis Tests |
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152 | (19) |
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9.4.1 Example 1: Tabular Analysis |
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152 | (7) |
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9.4.2 Example 2: Difference of Means |
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159 | (3) |
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9.4.3 Example 3: Correlation Coefficient |
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162 | (6) |
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9.4.4 Example 4: Analysis of Variance |
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168 | (3) |
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171 | (1) |
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172 | (5) |
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Concepts Introduced in This Chapter |
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172 | (1) |
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173 | (4) |
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10 Two-Variable Regression Models |
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177 | (24) |
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177 | (1) |
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10.1 Two-Variable Regression |
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177 | (1) |
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10.2 Fitting a Line: Population -o- Sample |
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178 | (2) |
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10.3 Which Line Fits Best? Estimating the Regression Line |
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180 | (4) |
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10.4 Measuring Our Uncertainty about the OLS Regression Line |
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184 | (10) |
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10.4.1 Goodness-of-Fit: Root Mean-Squared Error |
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185 | (1) |
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10.4.2 Goodness-of-Fit: R-Squared Statistic |
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185 | (2) |
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10.4.3 Is That a "Good" Goodness-of-Fit? |
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187 | (1) |
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10.4.4 Uncertainty about Individual Components of the Sample Regression Model |
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187 | (2) |
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10.4.5 Confidence Intervals about Parameter Estimates |
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189 | (1) |
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10.4.6 Two-Tailed Hypothesis Tests |
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190 | (2) |
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10.4.7 The Relationship between Confidence Intervals and Two-Tailed Hypothesis Tests |
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192 | (1) |
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10.4.8 One-Tailed Hypothesis Tests |
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192 | (2) |
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10.5 Assumptions, More Assumptions, and Minimal Mathematical Requirements |
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194 | (7) |
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10.5.1 Assumptions about the Population Stochastic Component |
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194 | (3) |
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10.5.2 Assumptions about Our Model Specification |
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197 | (1) |
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10.5.3 Minimal Mathematical Requirements |
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198 | (1) |
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10.5.4 How Can We Make All of These Assumptions? |
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198 | (1) |
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Concepts Introduced in This Chapter |
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198 | (1) |
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199 | (2) |
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201 | (45) |
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201 | (1) |
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11.1 Modeling Multivariate Reality |
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201 | (1) |
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11.2 Adding a Z Variable to a Bivariate Tabular Analysis |
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202 | (3) |
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11.3 The Population Regression Function |
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205 | (1) |
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11.4 From Two-Variable to Multiple Regression |
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205 | (5) |
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11.5 Interpreting Multiple Regression |
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210 | (3) |
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11.6 Which Effect Is "Biggest"? |
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213 | (1) |
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11.7 Statistical and Substantive Significance |
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214 | (2) |
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11.8 What Happens When We Fail to Control for Z |
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216 | (5) |
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11.8.1 An Additional Minimal Mathematical Requirement in Multiple Regression |
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220 | (1) |
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11.9 Being Smart with Dummy Independent Variables in OLS |
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221 | (8) |
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11.9.1 Using Dummy Variables to Test Hypotheses about a Categorical Independent Variable with Only Two Values |
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221 | (4) |
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11.9.2 Using Dummy Variables to Test Hypotheses about a Categorical Independent Variable with More Than Two Values |
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225 | (3) |
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11.9.3 Using Dummy Variables to Test Hypotheses about Multiple Independent Variables |
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228 | (1) |
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11.10 Testing Interactive Hypotheses with Dummy Variables |
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229 | (3) |
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11.11 Dummy Dependent Variables |
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232 | (8) |
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11.11.1 The Linear Probability Model |
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232 | (3) |
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11.11.2 Binomial Logit and Binomial Probit |
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235 | (3) |
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11.11.3 Goodness-of-Fit with Dummy Dependent Variables |
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238 | (2) |
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240 | (6) |
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Concepts Introduced in This Chapter |
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241 | (1) |
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242 | (4) |
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12 Putting It All Together to Produce Effective Research |
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246 | (21) |
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246 | (1) |
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12.1 Two Routes Toward a New Scientific Project |
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246 | (5) |
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12.1.1 Project Type 1: A New Y (and Some X) |
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247 | (2) |
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12.1.2 Project Type 2: An Existing Y and a New X |
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249 | (1) |
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12.1.3 Variants on the Two Project Types |
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250 | (1) |
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12.2 Using the Literature Without Getting Buried in It |
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251 | (4) |
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12.2.1 Identifying the Important Work on a Subject - Using Citation Counts |
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251 | (1) |
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12.2.2 Oh No! Someone Else Has Already Done What I Was Planning to Do. What Do I Do Now? |
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252 | (1) |
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12.2.3 Dissecting the Research by Other Scholars |
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252 | (1) |
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12.2.4 Read Effectively to Write Effectively |
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253 | (2) |
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12.3 Writing Effectively about Your Research |
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255 | (5) |
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12.3.1 Write Early, Write Often (Because Writing is Thinking) |
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255 | (1) |
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12.3.2 Document Your Code - Writing and Thinking While You Compute |
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255 | (1) |
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12.3.3 Divide and Conquer - a Section-by-Section Strategy for Building Your Project |
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256 | (3) |
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12.3.4 Proofread, Proofread, and then Proofread Again |
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259 | (1) |
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12.4 Making Effective Use of Tables and Figures |
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260 | (7) |
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12.4.1 Constructing Regression Tables |
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260 | (4) |
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12.4.2 Writing about Regression Tables |
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264 | (1) |
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12.4.3 Other Types of Tables and Figures |
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265 | (1) |
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266 | (1) |
Appendix A Critical Values of Chi-Squared |
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267 | (1) |
Appendix B Critical Values of t |
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268 | (1) |
Appendix C The A Link Function for Binomial Logit Models |
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269 | (2) |
Appendix D The O Link Function for Binomial Probit Models |
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271 | (2) |
References |
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273 | (6) |
Index |
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279 | |