Preface |
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Acknowledgments |
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xix | |
Part I The Research Process And Data Collection |
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1 | (40) |
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Chapter 1 The Research Process |
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2 | (8) |
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3 | (1) |
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1.2 Read the Literature and Identify Gaps or Ways to Extend the Literature |
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4 | (2) |
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6 | (1) |
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1.4 Develop Your Research Questions and Hypotheses |
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6 | (1) |
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1.5 Develop Your Research Method |
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7 | (1) |
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8 | (1) |
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1.7 Write the Research Paper |
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8 | (1) |
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8 | (1) |
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9 | (1) |
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Chapter 2 Sampling Techniques |
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10 | (15) |
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11 | (1) |
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12 | (2) |
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14 | (7) |
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2.3.1 Probability and Nonprobability Sampling |
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14 | (2) |
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2.3.2 Identifying a Sampling Frame |
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16 | (1) |
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2.3.3 Determining the Sample Size |
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17 | (1) |
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2.3.4 Sample Selection Methods |
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18 | (3) |
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21 | (2) |
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2.4.1 Calculating Sampling Weights |
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21 | (2) |
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2.4.2 Using Sampling Weights |
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23 | (1) |
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23 | (1) |
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24 | (1) |
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Chapter 3 Questionnaire Design |
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25 | (16) |
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26 | (1) |
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3.2 Structured and Semi-Structured Questionnaires |
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26 | (2) |
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3.3 Open- and Closed-Ended Questions |
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28 | (1) |
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3.4 General Guidelines for Questionnaire Design |
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28 | (2) |
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3.5 Designing the Questions |
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30 | (4) |
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30 | (1) |
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3.5.2 Phrasing the Questions |
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31 | (3) |
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34 | (2) |
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3.6.1 Responses in the Form of Continuous Variables |
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34 | (1) |
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3.6.2 Responses in the Form of Categorical Variables |
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35 | (1) |
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36 | (2) |
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38 | (1) |
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39 | (1) |
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40 | (1) |
Part II Describing Data |
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41 | (68) |
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Chapter 4 An Introduction to Stata |
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42 | (17) |
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43 | (1) |
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4.2 Opening Stata and Stata Windows |
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43 | (2) |
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44 | (1) |
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44 | (1) |
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44 | (1) |
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45 | (1) |
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45 | (1) |
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4.3 Working With Existing Data |
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45 | (3) |
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4.4 Entering Your Own Data Into Stata |
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48 | (3) |
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4.5 Using Log Files and Saving Your Work |
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51 | (3) |
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54 | (1) |
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54 | (1) |
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54 | (1) |
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54 | (1) |
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4.6.4 UCLA's Institute for Digital Research and Education Website |
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55 | (1) |
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4.7 Summary of Commands Used in This Chapter |
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55 | (1) |
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56 | (3) |
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Chapter 5 Preparing and Transforming Your Data |
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59 | (15) |
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59 | (1) |
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5.2 Checking for Outliers |
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60 | (3) |
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5.3 Creating New Variables |
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63 | (6) |
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63 | (1) |
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64 | (1) |
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64 | (3) |
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67 | (2) |
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5.4 Missing Values in Stata |
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69 | (1) |
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5.5 Summary of Commands Used in This Chapter |
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69 | (2) |
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71 | (2) |
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73 | (1) |
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Chapter 6 Descriptive Statistics |
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74 | (35) |
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75 | (1) |
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6.2 Types of Variables and Measurement |
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75 | (2) |
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6.3 Descriptive Statistics for All Types of Variables: Frequency Tables and Modes |
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77 | (4) |
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77 | (3) |
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80 | (1) |
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6.4 Descriptive Statistics for Variables Measured as Ordinal, Interval, and Ratio Scales: Median and Percentiles |
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81 | (2) |
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81 | (1) |
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82 | (1) |
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6.5 Descriptive Statistics for Continuous Variables: Mean, Variance, Standard Deviation, and Coefficient of Variation |
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83 | (8) |
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84 | (3) |
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6.5.2 Variance and Standard Deviation |
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87 | (1) |
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6.5.3 Coefficient of Variation |
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88 | (3) |
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6.6 Descriptive Statistics for Categorical Variables Measured on a Nominal or Ordinal Scale: Cross Tabulation |
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91 | (3) |
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6.7 Applying Sampling Weights |
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94 | (2) |
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6.8 Formatting Output for Use in a Document (Word, Google Docs, etc.) |
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96 | (1) |
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6.9 Graphs to describe data |
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96 | (8) |
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96 | (1) |
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96 | (4) |
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100 | (1) |
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101 | (3) |
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6.10 Summary of Commands Used in This Chapter |
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104 | (1) |
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105 | (2) |
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107 | (2) |
Part III Testing Hypotheses |
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109 | (76) |
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Chapter 7 The Normal Distribution |
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110 | (21) |
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111 | (1) |
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7.2 The Normal Distribution and Standard Scores |
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112 | (7) |
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7.3 Sampling Distributions and Standard Errors |
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119 | (2) |
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7.4 Examining the Theory and Identifying the Research Question and Hypothesis |
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121 | (1) |
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7.5 Testing for Statistical Significance |
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122 | (2) |
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7.6 Rejecting or Not Rejecting the Null Hypothesis |
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124 | (1) |
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7.7 Interpreting the Results |
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125 | (1) |
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7.8 Central Limit Theorem |
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125 | (2) |
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7.9 Presenting the Results |
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127 | (1) |
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7.10 Summary of Commands Used in This Chapter |
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128 | (1) |
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128 | (2) |
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130 | (1) |
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Chapter 8 Testing a Hypothesis About a Single Mean |
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131 | (11) |
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132 | (1) |
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8.2 When to Use the One-Sample t Test |
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133 | (2) |
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8.3 Calculating the One-Sample t Test |
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135 | (2) |
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8.4 Conducting a One-Sample t Test |
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137 | (1) |
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8.5 Interpreting the Output |
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138 | (2) |
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8.6 Presenting the Results |
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140 | (1) |
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8.7 Summary of Commands Used in This Chapter |
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140 | (1) |
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141 | (1) |
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141 | (1) |
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Chapter 9 Testing a Hypothesis About Two Independent Means |
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142 | (15) |
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143 | (1) |
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9.2 When to Use a Two Independent-Samples t Test |
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144 | (2) |
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9.3 Calculating the t Statistic |
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146 | (1) |
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146 | (5) |
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9.5 Interpreting the Output |
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151 | (2) |
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9.6 Presenting the Results |
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153 | (1) |
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9.7 Summary of Commands Used in This Chapter |
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154 | (1) |
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154 | (2) |
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156 | (1) |
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Chapter 10 One-Way Analysis of Variance |
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157 | (15) |
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158 | (1) |
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10.2 When to Use One-Way ANOVA |
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159 | (1) |
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10.3 Calculating the F Ratio |
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160 | (2) |
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10.4 Conducting a One-Way ANOVA Test |
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162 | (3) |
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10.5 Interpreting the Output |
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165 | (1) |
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10.6 Is One Mean Different or Are All of Them Different? |
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166 | (1) |
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10.7 Presenting the Results |
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167 | (1) |
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10.8 Summary of Commands Used in This Chapter |
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168 | (1) |
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169 | (2) |
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171 | (1) |
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Chapter 11 Cross Tabulation and the Chi-Squared Test |
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172 | (13) |
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173 | (1) |
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11.2 When to Use the Chi-Squared Test |
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174 | (1) |
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11.3 Calculating the Chi-Square Statistic |
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175 | (2) |
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11.4 Conducting a Chi-Squared Test |
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177 | (2) |
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11.5 Interpreting the Output |
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179 | (2) |
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11.6 Presenting the Results |
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181 | (1) |
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11.7 Summary of Commands Used in This Chapter |
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182 | (1) |
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182 | (1) |
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183 | (2) |
Part IV Exploring Relationships |
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185 | (98) |
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Chapter 12 Linear Regression Analysis |
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186 | (31) |
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187 | (1) |
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12.2 When to Use Regression Analysis |
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188 | (2) |
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190 | (5) |
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12.4 Simple Regression Analysis |
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195 | (7) |
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12.5 Multiple Regression Analysis |
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202 | (9) |
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12.6 Presenting the Results |
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211 | (2) |
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12.7 Summary of Commands Used in This Chapter |
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213 | (1) |
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214 | (2) |
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216 | (1) |
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Chapter 13 Regression Diagnostics |
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217 | (36) |
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218 | (1) |
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219 | (5) |
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224 | (11) |
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13.3.1 Types of Specification Errors |
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225 | (2) |
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13.3.2 Diagnosing Specification Error |
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227 | (2) |
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13.3.3 Correcting Specification Error |
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229 | (6) |
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235 | (3) |
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238 | (4) |
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242 | (2) |
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244 | (5) |
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13.8 Presenting the Results |
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249 | (1) |
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13.9 Summary of Commands Used in This Chapter |
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250 | (2) |
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252 | (1) |
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Chapter 14 Regression Analysis With Categorical Dependent Variables |
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253 | (30) |
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254 | (2) |
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14.2 When to Use Logit or Probit Analysis |
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256 | (2) |
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14.3 Understanding the Logit Model |
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258 | (3) |
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14.4 Running Logit and Interpreting the Results |
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261 | (9) |
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14.4.1 Running Logit Regression in Stata |
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261 | (4) |
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14.4.2 Interpreting the Results of a Logit Model |
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265 | (5) |
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14.5 Logit Versus Probit Regression Models |
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270 | (2) |
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14.6 Regression Analysis With Other Types of Categorical Dependent Variables |
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272 | (2) |
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14.7 Presenting the Results |
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274 | (4) |
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14.8 Summary of Commands Used in This Chapter |
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278 | (2) |
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280 | (1) |
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281 | (2) |
Part V Writing A Research Paper |
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283 | (20) |
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Chapter 15 Writing a Research Paper |
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284 | (19) |
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285 | (1) |
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15.2 Introduction Section of a Research Paper |
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285 | (4) |
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289 | (3) |
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15.4 Theory, Data, and Methods |
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292 | (1) |
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293 | (6) |
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294 | (1) |
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15.5.2 Tables, Figures, and Numbers |
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295 | (2) |
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15.5.3 Reporting Results From Statistical Tests |
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297 | (1) |
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15.5.4 Active Versus Passive Voice and the Use of First-Person Pronouns |
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298 | (1) |
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299 | (1) |
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300 | (1) |
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301 | (1) |
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301 | (2) |
Appendices |
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303 | (51) |
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Appendix 1 Quick Reference Guide to Stata Commands |
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303 | (16) |
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Appendix 2 Summary of Statistical Tests by Chapter |
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319 | (6) |
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Appendix 3 Decision Tree for Choosing the Right Statistic |
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325 | (1) |
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Appendix 4 Decision Rules for Statistical Significance |
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326 | (2) |
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Appendix 5 Areas Under the Normal Curve (ZScores) |
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328 | (2) |
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Appendix 6 Critical Values of the t Distribution |
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330 | (2) |
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Appendix 7 State Code for Random Sampling |
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332 | (6) |
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Appendix 8 Examples of Nonlinear Functions |
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338 | (12) |
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Appendix 9 Estimating the Minimum Sample Size |
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350 | (4) |
Glossary |
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354 | (6) |
About the Authors |
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360 | (1) |
Name Index |
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361 | (2) |
Subject Index |
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363 | |