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xiii | |
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xv | |
| Preface |
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xix | |
| Support materials for the book |
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xxi | |
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1 | (18) |
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1 | (2) |
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3 | (2) |
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5 | (3) |
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8 | (2) |
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An example of a short Stata session |
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10 | (6) |
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16 | (1) |
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16 | (3) |
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19 | (22) |
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19 | (2) |
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21 | (1) |
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Developing a coding systems |
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22 | (5) |
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27 | (6) |
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30 | (3) |
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33 | (2) |
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35 | (3) |
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38 | (1) |
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38 | (3) |
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Preparing data for analysis |
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41 | (24) |
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41 | (1) |
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41 | (6) |
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47 | (1) |
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48 | (3) |
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Creating and modifying variables |
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51 | (5) |
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56 | (4) |
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60 | (2) |
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62 | (1) |
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63 | (2) |
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Working with commands, do-files, and results |
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65 | (18) |
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65 | (1) |
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How Stata commands are constructed |
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66 | (4) |
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Getting the command fron the menu system |
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70 | (7) |
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77 | (1) |
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Logging your command file |
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78 | (2) |
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80 | (1) |
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81 | (2) |
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Descriptive statistics and graphs for one varibale |
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83 | (26) |
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Descriptive statistics and graphs |
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83 | (1) |
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Where is the center of a distribution? |
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84 | (4) |
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How dispersed is the distribution? |
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88 | (2) |
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Statistics and graphs---unordered categories |
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90 | (8) |
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Statistics and graphs---ordered categories and varibales |
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98 | (2) |
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Statistics and graphs---quantitative variables |
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100 | (6) |
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106 | (1) |
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107 | (2) |
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Statistics and graphs for two categorical variables |
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109 | (22) |
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Relationship between categorical variables |
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109 | (1) |
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110 | (2) |
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112 | (5) |
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114 | (1) |
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115 | (2) |
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Percentages and measures of association |
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117 | (2) |
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Ordered categorical variables |
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119 | (3) |
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122 | (2) |
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Tables---linking categorical and quantitative variables |
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124 | (3) |
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127 | (1) |
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128 | (3) |
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Tests for one or two means |
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131 | (30) |
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Introduction to tests for one or two means |
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131 | (3) |
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134 | (2) |
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136 | (1) |
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136 | (1) |
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One-sample test of a proportaion |
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136 | (3) |
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Two-sample test of a proportion |
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139 | (4) |
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143 | (2) |
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Two-sample test of group means |
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145 | (6) |
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Testing for unequal variances |
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150 | (1) |
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151 | (2) |
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153 | (3) |
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Nonparametric alternatives |
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156 | (2) |
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Mann-Whitney two-sample rank-sum test |
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156 | (1) |
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Nonparametric alternative: median test |
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157 | (1) |
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158 | (1) |
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159 | (2) |
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Bivariate regression and correlation |
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161 | (22) |
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Introduction to bivariate corelation and regression |
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161 | (1) |
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162 | (5) |
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Plotting the regression line |
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167 | (1) |
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168 | (7) |
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175 | (4) |
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Spearman's rho: rank-order correlation for ordinal data |
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179 | (1) |
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180 | (1) |
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181 | (2) |
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183 | (36) |
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The logic on one-way analysis of variance |
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183 | (1) |
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184 | (7) |
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ANOVA example using survey data |
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191 | (3) |
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A nonparametric alternative to ANOVA |
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194 | (3) |
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197 | (7) |
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204 | (4) |
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208 | (5) |
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Intraclass correlation---measureing agreement |
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213 | (2) |
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215 | (1) |
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216 | (3) |
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219 | (40) |
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Introduction to multiple regression |
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219 | (1) |
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What is multiple regression? |
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220 | (1) |
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The basic multiple regression command |
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220 | (5) |
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Increment in R-squared: semipartial correlations |
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225 | (1) |
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Is the dependent veriable normally distributed? |
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226 | (4) |
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Are the residuals normally distributed? |
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230 | (4) |
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Regression diagnostic statistics |
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234 | (6) |
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Outliers and Influential cases |
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234 | (3) |
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Influential observations: DFbeta |
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237 | (1) |
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Combinations of veriables may cause problems |
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238 | (2) |
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240 | (2) |
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Categorical predictors and hierarchical regression |
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242 | (8) |
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Fundamentals of interaction |
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250 | (5) |
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255 | (2) |
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257 | (2) |
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259 | (24) |
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Introduction ot logistic regression |
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259 | (1) |
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260 | (4) |
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What is an odds ratio and a logit? |
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264 | (3) |
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266 | (1) |
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266 | (1) |
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Data used in rest of chapter |
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267 | (1) |
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268 | (7) |
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275 | (4) |
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Testing individual coefficients |
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276 | (1) |
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Testing sets of coefficients |
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277 | (2) |
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Nested logistic regressions |
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279 | (2) |
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281 | (1) |
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282 | (1) |
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Measurement, reliabililty, and validity |
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283 | (32) |
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Overview of reliability and validity |
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283 | (1) |
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284 | (2) |
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Generating a mean score for each person |
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285 | (1) |
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286 | (11) |
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Stability and test-retest reliability |
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289 | (1) |
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290 | (1) |
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Split-half and alpha reliability---internal consistency |
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290 | (3) |
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Kuder-Richardson reliability for dichotomous items |
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293 | (1) |
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Rater agreement---kappa (k) |
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294 | (3) |
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297 | (3) |
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297 | (1) |
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Criterion-related validity |
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298 | (1) |
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299 | (1) |
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300 | (5) |
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305 | (6) |
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Orthogonal rotation: varimax |
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308 | (2) |
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310 | (1) |
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But we wanted one scale, not four scales |
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311 | (2) |
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312 | (1) |
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313 | (1) |
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314 | (1) |
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315 | (6) |
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Introduction to the appendix |
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315 | (1) |
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315 | (5) |
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316 | (1) |
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317 | (1) |
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318 | (1) |
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319 | (1) |
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320 | (1) |
| References |
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321 | (2) |
| Author index |
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323 | (2) |
| Subject index |
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325 | |
