Preface |
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xi | |
Purpose of the Book |
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xi | |
Other Features |
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xi | |
Notes on R |
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xi | |
Tips for Learning R |
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xii | |
Code, Output, and Annotation Conventions |
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xii | |
Overview |
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xiii | |
Acknowledgments |
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xiv | |
About the Authors |
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xv | |
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1 | (24) |
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1 | (1) |
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Statistical Software Overview |
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1 | (2) |
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Downloading R and RStudio |
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3 | (5) |
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3 | (5) |
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8 | (6) |
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9 | (1) |
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10 | (1) |
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11 | (3) |
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Finding R and RStudio Packages |
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14 | (3) |
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15 | (1) |
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15 | (1) |
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15 | (2) |
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17 | (6) |
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17 | (4) |
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21 | (1) |
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22 | (1) |
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22 | (1) |
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23 | (1) |
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24 | (1) |
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Chapter 2 Data, Variables, and Data Management |
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25 | (40) |
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About the Data and Variables |
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25 | (1) |
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Structure and Organization of Classic "Wide" Datasets |
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25 | (2) |
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The General Social Survey |
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27 | (2) |
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Variables and Measurement |
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29 | (2) |
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31 | (1) |
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31 | (14) |
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45 | (8) |
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49 | (4) |
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53 | (2) |
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55 | (7) |
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62 | (3) |
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Chapter 3 Data Frequencies and Distributions |
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65 | (26) |
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Frequencies for Categorical Variables |
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65 | (8) |
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66 | (4) |
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70 | (1) |
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70 | (1) |
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Missing Values in Frequencies |
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71 | (1) |
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72 | (1) |
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72 | (1) |
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Cumulative Frequencies and Percentages |
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73 | (5) |
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73 | (2) |
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75 | (3) |
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Frequencies for Interval/Ratio Variables |
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78 | (2) |
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80 | (3) |
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81 | (1) |
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81 | (1) |
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82 | (1) |
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83 | (1) |
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Non-Normal Distribution Characteristics |
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84 | (3) |
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84 | (1) |
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85 | (2) |
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87 | (2) |
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87 | (2) |
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89 | (1) |
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89 | (2) |
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Chapter 4 Central Tendency and Variability |
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91 | (12) |
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Measures of Central Tendency |
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91 | (2) |
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93 | (2) |
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93 | (1) |
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IOR (Inter-Quartile Range) |
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94 | (1) |
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94 | (1) |
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95 | (1) |
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95 | (4) |
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How to Calculate a z-Score |
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96 | (3) |
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Selecting Cases for Analysis |
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99 | (2) |
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101 | (2) |
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Chapter 5 Creating and Interpreting Univariate and Bivariate Data Visualizations |
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103 | (27) |
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103 | (1) |
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104 | (1) |
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Univariate Data Visualization |
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104 | (11) |
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104 | (4) |
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108 | (2) |
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Cumulative Frequency Polygons |
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110 | (2) |
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112 | (2) |
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114 | (1) |
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Bivariate Data Visualization |
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115 | (12) |
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115 | (2) |
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117 | (1) |
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Bar Charts for Grouped Means |
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118 | (2) |
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120 | (1) |
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121 | (6) |
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127 | (1) |
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128 | (2) |
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Chapter 6 Conceptual Overview of Hypothesis Testing and Effect Size |
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130 | (11) |
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130 | (1) |
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Null and Alternative Hypotheses |
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130 | (2) |
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Determination About the Null Hypothesis |
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131 | (1) |
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132 | (2) |
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Type I and Type II Errors |
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132 | (1) |
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133 | (1) |
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Test Statistic Distributions |
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134 | (2) |
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Choosing a Test of Statistical Significance |
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136 | (1) |
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Hypothesis Testing Overview |
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137 | (1) |
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138 | (2) |
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138 | (1) |
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138 | (1) |
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139 | (1) |
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140 | (1) |
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Chapter 7 Relationships Between Categorical Variables |
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141 | (23) |
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Single Proportion Hypothesis Test |
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141 | (2) |
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143 | (3) |
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146 | (6) |
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The Chi-Square Test of Independence (x2) |
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152 | (10) |
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Observed and Expected Frequencies |
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153 | (1) |
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Chi-Square Test Statistic |
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154 | (1) |
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A Brief Note on Degrees of Freedom and the X2 Critical Value |
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155 | (1) |
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Additional Chi-Square Examples |
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156 | (1) |
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Example 1 Gender and Fear of Walking Alone in Neighborhood at Night |
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156 | (1) |
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Example 2 Sexual Orientation and Self-Reported Happiness |
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157 | (2) |
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159 | (1) |
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Effect Sizes for Chi-Square: φ and Cramer's V |
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159 | (3) |
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162 | (2) |
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Chapter 8 Comparing One or Two Means |
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164 | (26) |
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164 | (1) |
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165 | (4) |
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The Independent Samples t-Test |
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169 | (3) |
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Independent Samples t-Test Notation and Hypotheses |
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170 | (1) |
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The Logic of the Independent Samples t-Test Statistic |
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171 | (1) |
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One-Tailed and Two-Tailed t-Tests |
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171 | (1) |
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A Brief Note on Degrees of Freedom and the t-Critical Value |
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172 | (1) |
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172 | (5) |
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Additional Independent Samples f-Test Examples |
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177 | (1) |
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Example 1 Gender and Number of Siblings (Non-Directional) |
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177 | (3) |
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Example 2 Children and Number of Siblings (Directional) |
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180 | (3) |
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Effect Size for t-Test: Cohen's d |
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183 | (3) |
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186 | (2) |
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188 | (2) |
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Chapter 9 Comparing Means Across Three or More Groups (ANOVA) |
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190 | (21) |
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Analysis of Variance (ANOVA) |
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190 | (1) |
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Anova Assumptions and Notation |
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190 | (1) |
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190 | (1) |
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A Brief Note on the F-Statistic and Degrees of Freedom |
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191 | (1) |
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191 | (14) |
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195 | (1) |
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Additional Anova Examples |
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196 | (1) |
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Example 1 Sexual Orientation and Ideal Number of Children |
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196 | (4) |
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Example 2 Age Group and Number of Hours Watching Television |
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200 | (3) |
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Effect Size for One-Way ANOVA: n2 |
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203 | (2) |
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Two-Way Analysis of Variance |
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205 | (4) |
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209 | (2) |
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Chapter 10 Correlation and Bivariate Regression |
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211 | (26) |
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211 | (2) |
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213 | (1) |
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Pearson's Correlation Coefficient |
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214 | (3) |
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Coefficient of Determination |
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217 | (1) |
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Correlation Tests for Ordinal Variables |
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218 | (3) |
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221 | (6) |
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Bivariate Linear Regression |
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227 | (7) |
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234 | (2) |
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236 | (1) |
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Chapter 11 Multiple Regression |
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237 | (24) |
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The Multiple Regression Equation |
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250 | (1) |
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Interaction Effects and Interpretation |
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251 | (4) |
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255 | (3) |
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Interpretation and Presentation of Logistic Regression Results |
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258 | (1) |
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259 | (2) |
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Chapter 12 Advanced Regression Topics |
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261 | (20) |
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Advanced Regression Topics |
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261 | (4) |
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265 | (2) |
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267 | (2) |
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269 | (2) |
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271 | (3) |
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274 | (5) |
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279 | (1) |
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280 | (1) |
Index |
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281 | |