Preface |
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xi | |
1 Why the Social Researcher Uses Statistics |
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1 | (18) |
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The Nature of Social Research |
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1 | (1) |
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2 | (2) |
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The Stages of Social Research |
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4 | (1) |
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Using Series of Numbers To Do Social Research |
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4 | (5) |
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The Functions of Statistics |
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9 | (4) |
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13 | (1) |
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14 | (223) |
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LOOKING AT THE LARGER PICTURE |
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16 | (3) |
PART ONE Description |
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19 | (66) |
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21 | (32) |
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Frequency Distributions of Nominal Data |
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21 | (1) |
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22 | (1) |
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Proportions and Percentages |
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23 | (1) |
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Simple Frequency Distributions of Ordinal and Interval Data |
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24 | (1) |
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Grouped Frequency Distributions of Interval Data |
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25 | (2) |
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27 | (2) |
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Dealing with Decimal Data |
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29 | (2) |
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31 | (2) |
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33 | (6) |
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39 | (6) |
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45 | (1) |
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45 | (8) |
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3 Measures of Central Tendency |
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53 | (14) |
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53 | (1) |
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54 | (1) |
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55 | (2) |
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Taking One Step at a Time |
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57 | (1) |
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STEP-BY-STEP ILLUSTRATION |
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57 | (1) |
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Comparing the Mode, Median, and Mean |
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58 | (4) |
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62 | (1) |
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63 | (4) |
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4 Measures of Variability |
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67 | (20) |
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68 | (1) |
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The Variance and the Standard Deviation |
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69 | (2) |
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STEP-BY-STEP ILLUSTRATION |
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70 | (1) |
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The Raw-Score Formula fir Variance and Standard Deviation |
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71 | (2) |
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STEP-BY-STEP ILLUSTRATION |
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Variance and Standard Deviation Using Raw Scores |
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72 | (1) |
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The Meaning oldie Standard Deviation |
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73 | (3) |
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Comparing Measures of Variability |
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76 | (1) |
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77 | (1) |
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77 | (3) |
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LOOKING AT THE LARGER PICTURE |
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80 | (5) |
PART TWO From Description to Decision Making |
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85 | (58) |
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5 Probability and the Normal Curve |
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87 | (25) |
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88 | (1) |
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Probability Distributions |
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88 | (4) |
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The Normal Curve as a Probability Distribution |
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92 | (1) |
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Characteristics of the Normal Curve |
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92 | (1) |
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The Model and the Reality of the Normal Curve |
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93 | (1) |
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The Area under the Normal Curve |
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94 | (6) |
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Standard Scores and the Normal Curve |
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100 | (4) |
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Finding Probability under the Normal Curve |
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104 | (4) |
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STEP-BY-STEP ILLUSTRATION |
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Probability under the Normal Curve |
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104 | (4) |
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108 | (1) |
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109 | (3) |
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6 Samples and Populations |
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112 | (33) |
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113 | (1) |
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114 | (1) |
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Sampling Distribution of Means |
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115 | (7) |
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Standard Error of the Mean |
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122 | (1) |
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123 | (3) |
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126 | (8) |
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STEP-BY-STEP ILLUSTRATION |
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Confidence Interval Using t |
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131 | (3) |
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134 | (2) |
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STEP-BY-STEP ILLUSTRATION |
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Confidence Interval for Proportions |
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135 | (1) |
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136 | (1) |
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136 | (9) |
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LOOKING AT THE LARGER PICTURE |
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Generalizing from Samples to Populations |
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140 | (3) |
PART THREE Decision Making |
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143 | (94) |
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7 Testing Differences between Means |
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145 | (38) |
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The Null Hypothesis: No Difference between Means |
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147 | (1) |
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The Research Hypothesis: A Difference between Means |
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148 | (1) |
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Sampling Distribution of Differences between Means |
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148 | (4) |
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Testing Hypotheses with the Distribution of Differences between Means |
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152 | (3) |
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155 | (5) |
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Standard Error of the Difference between Means |
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160 | (1) |
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Testing the Difference between Means |
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161 | (4) |
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STEP-BY-STEP ILLUSTRATION |
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Test of Difference between Means |
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162 | (3) |
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Comparing the Same Sample Measured Twice |
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165 | (3) |
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STEP-BY-STEP ILLUSTRATION |
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Test of Difference between Means for Same Sample Measured Twice |
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166 | (2) |
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Two-Sample Test of Proportions |
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168 | (3) |
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STEP-BY-STEP ILLUSTRATION |
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Test of Difference between Proportions |
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169 | (2) |
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Requirements for Testing the Difference between Means |
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171 | (1) |
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172 | (1) |
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172 | (11) |
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183 | (24) |
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The Logic of Analysis of Variance |
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184 | (2) |
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186 | (6) |
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192 | (1) |
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193 | (3) |
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STEP-BY-STEP ILLUSTRATION |
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196 | (4) |
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Requirements for Using the F Ratio |
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200 | (1) |
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200 | (1) |
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201 | (6) |
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9 Nonparametric Tests of Significance |
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207 | (30) |
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208 | (16) |
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STEP-BY-STEP ILLUSTRATION |
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Off-Square Test of Significance |
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213 | (4) |
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STEP-BY-STEP ILLUSTRATION |
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Chi-Square Test for Several Groups |
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217 | (7) |
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224 | (2) |
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STEP-BY-STEP ILLUSTRATION |
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224 | (2) |
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226 | (1) |
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227 | (12) |
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LOOKING AT THE LARGER PICTURE |
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234 | (3) |
PART FOUR From Decision Making to Association |
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237 | (66) |
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239 | (19) |
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239 | (1) |
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240 | (1) |
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241 | (1) |
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The Correlation Coefficient |
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241 | (2) |
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Pearson's Correlation Coefficient |
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243 | (6) |
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A Simplified Method for Testing the Significance of r |
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249 | (2) |
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STEP-BY-STEP ILLUSTRATION |
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Pearson's Correlation Coefficient |
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249 | (2) |
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251 | (1) |
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252 | (6) |
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258 | (17) |
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259 | (5) |
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Interpreting the Regression Line |
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264 | (2) |
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Regression and Pearson's Correlation |
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266 | (2) |
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STEP-BY-STEP ILLUSTRATION |
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267 | (1) |
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268 | (1) |
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269 | (6) |
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12 Nonparametric Measures of Correlation |
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275 | (28) |
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Spearman's Rank-Order Correlation Coefficient |
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275 | (8) |
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STEP-BY-STEP ILLUSTRATION |
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Spearman 's Rank-Order Correlation Coefficient |
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279 | (4) |
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Goodman's and Kruskal's Gamma |
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283 | (5) |
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STEP-BY-STEP ILLUSTRATION |
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Goodman's and Kruskal's Gamma |
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284 | (4) |
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Correlation Coefficient for Nominal Data Arranged in a 2 x 2 Table |
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288 | (2) |
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Correlation Coefficients for Nominal Data in Larger than 2 x 2 Tables |
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290 | (3) |
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293 | (1) |
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293 | (7) |
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LOOKING AT THE LARGER PICTURE |
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300 | (3) |
PART FIVE Applying Statistics |
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303 | (26) |
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13 Applying Statistical Procedures to Research Problems |
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305 | (24) |
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309 | (12) |
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321 | (8) |
APPENDIXES |
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329 | (22) |
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APPENDIX A A Review of Some Fundamentals of Mathematics |
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330 | (5) |
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330 | (2) |
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Dealing with Negative Numbers |
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332 | (1) |
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333 | (2) |
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335 | (12) |
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APPENDIX C List of Formulas |
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347 | (4) |
Answers to Selected Problems |
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351 | (6) |
Index |
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357 | |