Table Of ContentAdvanced and Multivariate
Statistical Methods
Practical Application
and Interpretation
Sixth Edition
Craig A. Mertler
Arizona State University
Rachel Vannatta Reinhart
Bowling Green State University
Sixtheditionpublished2017
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Contents
Detailed Chapter Contents v
Preface xi
Acknowledgments xiv
Dedications xv
Chapter 1 Introduction to Multivariate Statistics 1
Chapter 2 A Guide to Multivariate Techniques 13
Chapter 3 Pre-Analysis Data Screening 27
Chapter 4 Factorial Analysis of Variance 71
Chapter 5 Analysis of Covariance 99
Chapter 6 Multivariate Analysis of Variance and Covariance 125
Chapter 7 Multiple Regression 169
Chapter 8 Path Analysis 203
Chapter 9 Factor Analysis 247
Chapter 10 Discriminant Analysis 279
Chapter 11 Logistic Regression 307
Appendix A SPSS Data Sets 327
Appendix B The Chi-Square Distribution 357
Glossary 359
References 369
Subject Index 371
iii
Notes
iv
Detailed Chapter Contents
Chapter 1 Introduction to Multivariate Statistics .........................................1
Section 1.1 Multivariate Statistics: Some Background ................................................................. 2
Research Designs .................................................................................................................... 2
The Nature of Variables .......................................................................................................... 3
Data Appropriate for Multivariate Analyses ........................................................................... 4
Standard and Sequential Analyses .......................................................................................... 5
Difficulties in Interpreting Results .......................................................................................... 7
Section 1.2 Review of Descriptive and Inferential Statistics ........................................................ 7
Descriptive Statistics ............................................................................................................... 7
Inferential Statistics ................................................................................................................. 9
Section 1.3 Organization of the Book ......................................................................................... 12
Chapter 2 A Guide to Multivariate Techniques ......................................... 13
Section 2.1 Degree of Relationship Among Variables................................................................ 14
Bivariate Correlation and Regression .................................................................................... 14
Multiple Regression .............................................................................................................. 14
Path Analysis ......................................................................................................................... 14
Section 2.2 Significance of Group Differences ........................................................................... 15
t Test ...................................................................................................................................... 15
One-Way Analysis of Variance ............................................................................................. 15
One-Way Analysis of Covariance ......................................................................................... 15
Factorial Analysis of Variance .............................................................................................. 16
Factorial Analysis of Covariance .......................................................................................... 16
One-Way Multivariate Analysis of Variance ........................................................................ 16
One-Way Multivariate Analysis of Covariance .................................................................... 17
Factorial Multivariate Analysis of Variance ......................................................................... 17
Factorial Multivariate Analysis of Covariance...................................................................... 17
Section 2.3 Prediction of Group Membership ............................................................................. 17
Discriminant Analysis ........................................................................................................... 17
Logistic Regression ............................................................................................................... 18
Section 2.4 Structure ................................................................................................................... 18
Factor Analysis and Principal Components Analysis ........................................................... 18
Section 2.5 The Table of Statistical Tests ................................................................................... 19
Section 2.6 The Decision-Making Tree for Statistical Tests....................................................... 20
Summary ....................................................................................................................................... 21
Exercises for Chapter 2 ................................................................................................................. 25
Chapter 3 Pre-Analysis Data Screening ...................................................... 27
Section 3.1 Why Screen Data? .................................................................................................... 27
Section 3.2 Missing Data ............................................................................................................ 28
Section 3.3 Outliers ..................................................................................................................... 29
Section 3.4 Normality ................................................................................................................. 32
Section 3.5 Linearity ................................................................................................................... 34
Section 3.6 Homoscedasticity ..................................................................................................... 35
Section 3.7 Using SPSS to Examine Data for Univariate Analysis ............................................ 36
v
Detailed Chapter Contents
Univariate Example With Grouped Data .............................................................................. 36
Univariate Example With Ungrouped Data .......................................................................... 52
Section 3.8 Using SPSS to Examine Grouped Data for Multivariate Analysis .......................... 58
Summary ....................................................................................................................................... 62
Steps for Screening Grouped Data ............................................................................................... 64
Steps for Screening Ungrouped Data ........................................................................................... 66
Exercises for Chapter 3 ................................................................................................................. 68
Chapter 4 Factorial Analysis of Variance ................................................... 71
I. Univariate Analysis of Variance .............................................................................................. 71
II. Factorial Analysis of Variance ................................................................................................. 74
Section 4.1 Practical View .......................................................................................................... 75
Purpose .................................................................................................................................. 75
Sample Research Questions .................................................................................................. 78
Section 4.2 Assumptions and Limitations ................................................................................... 79
Methods of Testing Assumptions .......................................................................................... 79
Section 4.3 Process and Logic .................................................................................................... 80
The Logic Behind Factorial ANOVA ................................................................................... 80
Interpretation of Results ........................................................................................................ 81
Writing Up Results ................................................................................................................ 84
Section 4.4 Sample Study and Analysis ...................................................................................... 84
Problem ................................................................................................................................. 84
Methods and SPSS “How To” .............................................................................................. 85
Output and Interpretation of Results ..................................................................................... 90
Presentation of Results .......................................................................................................... 92
Section 4.5 Variations of the Two-Factor Design ....................................................................... 93
Summary ....................................................................................................................................... 94
Checklist for Conducting a Factorial ANOVA .............................................................................. 95
Exercises for Chapter 4 ................................................................................................................. 96
Chapter 5 Analysis of Covariance ................................................................ 99
I. Analysis of Variance Versus Analysis of Covariance .............................................................. 99
II. Analysis of Covariance ........................................................................................................... 100
Section 5.1 Practical View ........................................................................................................ 100
Purpose ................................................................................................................................ 100
Sample Research Questions ................................................................................................ 103
Section 5.2 Assumptions and Limitations ................................................................................. 103
Methods of Testing Assumptions ........................................................................................ 104
Section 5.3 Process and Logic .................................................................................................. 105
The Logic Behind ANCOVA .............................................................................................. 105
Interpretation of Results ...................................................................................................... 107
Writing Up Results .............................................................................................................. 111
Section 5.4 Sample Study and Analysis .................................................................................... 112
Problem ............................................................................................................................... 112
Methods and SPSS “How To” ............................................................................................ 113
Output and Interpretation of Results ................................................................................... 119
Presentation of Results ........................................................................................................ 121
Summary ..................................................................................................................................... 122
vi
Detailed Chapter Contents
Checklist for Conducting ANCOVA ............................................................................................ 123
Exercises for Chapter 5 ............................................................................................................... 124
Chapter 6 Multivariate Analysis of Variance and Covariance ............... 125
I. MANOVA .............................................................................................................................. 125
Section 6.1 Practical View ........................................................................................................ 126
Purpose ................................................................................................................................ 126
Sample Research Questions ................................................................................................ 129
Section 6.2 Assumptions and Limitations ................................................................................. 129
Methods of Testing Assumptions ........................................................................................ 130
Section 6.3 Process and Logic .................................................................................................. 131
The Logic Behind MANOVA ............................................................................................. 131
Interpretation of Results ...................................................................................................... 132
Writing Up Results .............................................................................................................. 135
Section 6.4 MANOVA Sample Study and Analysis ................................................................. 136
Problem ............................................................................................................................... 136
Methods and SPSS “How To” ............................................................................................ 137
Output and Interpretation of Results ................................................................................... 140
Presentation of Results ........................................................................................................ 144
II. MANCOVA ........................................................................................................................... 145
Section 6.5 Practical View ........................................................................................................ 145
Purpose ................................................................................................................................ 145
Sample Research Questions ................................................................................................ 146
Section 6.6 Assumptions and Limitations ................................................................................. 147
Methods of Testing Assumptions ........................................................................................ 148
Section 6.7 Process and Logic .................................................................................................. 148
The Logic Behind MANCOVA .......................................................................................... 148
Interpretation of Results ...................................................................................................... 149
Writing Up Results .............................................................................................................. 153
Section 6.8 MANCOVA Sample Study and Analysis .............................................................. 154
Problem ............................................................................................................................... 154
Methods and SPSS “How To” ............................................................................................ 154
Output and Interpretation of Results ................................................................................... 159
Presentation of Results ........................................................................................................ 161
Summary ..................................................................................................................................... 162
Checklist for Conducting MANOVA ........................................................................................... 163
Checklist for Conducting MANCOVA ......................................................................................... 165
Exercises for Chapter 6 ............................................................................................................... 166
Chapter 7 Multiple Regression ................................................................... 169
Section 7.1 Practical View ........................................................................................................ 169
Purpose ................................................................................................................................ 169
Sample Research Questions ................................................................................................ 177
Section 7.2 Assumptions and Limitations ................................................................................. 177
Methods of Testing Assumptions ........................................................................................ 178
Section 7.3 Process and Logic .................................................................................................. 181
The Logic Behind Multiple Regression .............................................................................. 181
Interpretation of Results ...................................................................................................... 182
Writing Up Results .............................................................................................................. 188
vii
Detailed Chapter Contents
Section 7.4 Sample Study and Analysis .................................................................................... 189
Problem ............................................................................................................................... 189
Methods and SPSS “How To” ............................................................................................ 189
Output and Interpretation of Results ................................................................................... 196
Presentation of Results ........................................................................................................ 197
Summary ..................................................................................................................................... 197
Checklist for Conducting Multiple Regression ........................................................................... 199
Exercises for Chapter 7 ............................................................................................................... 200
Chapter 8 Path Analysis .............................................................................. 203
Section 8.1 Practical View ........................................................................................................ 203
Purpose ................................................................................................................................ 203
Sample Research Questions ................................................................................................ 208
Section 8.2 Assumptions and Limitations ................................................................................. 208
Methods of Testing Assumptions ........................................................................................ 210
Section 8.3 Process and Logic .................................................................................................. 210
The Logic Behind Path Analysis ......................................................................................... 210
Interpretation of Results ...................................................................................................... 219
Writing Up Results .............................................................................................................. 224
Section 8.4 Sample Study and Analysis .................................................................................... 226
Problem ............................................................................................................................... 226
Methods, SPSS “How To,” Output, and Interpretation ....................................................... 227
Presentation of Results ........................................................................................................ 241
Summary ..................................................................................................................................... 241
Checklist for Conducting Path Analysis ..................................................................................... 243
Exercises for Chapter 8 ............................................................................................................... 244
Chapter 9 Factor Analysis ........................................................................... 247
Section 9.1 Practical View ........................................................................................................ 247
Purpose ................................................................................................................................ 247
Sample Research Questions ................................................................................................ 255
Section 9.2 Assumptions and Limitations ................................................................................. 255
Methods of Testing Assumptions ........................................................................................ 257
Section 9.3 Process and Logic .................................................................................................. 257
The Logic Behind Factor Analysis ...................................................................................... 257
Interpretation of Results ...................................................................................................... 258
Writing Up Results .............................................................................................................. 263
Section 9.4 Sample Study and Analysis .................................................................................... 264
Problem ............................................................................................................................... 264
Methods, SPSS “How To,” Output, and Interpretation ....................................................... 264
Presentation of Results ........................................................................................................ 272
Summary ..................................................................................................................................... 273
Checklist for Conducting Factor Analysis .................................................................................. 274
Exercises for Chapter 9 ............................................................................................................... 275
Chapter 10 Discriminant Analysis ............................................................. 279
Section 10.1 Practical View ...................................................................................................... 279
Purpose ................................................................................................................................ 279
Sample Research Questions ................................................................................................ 284
Section 10.2 Assumptions and Limitations ............................................................................... 284
viii
Detailed Chapter Contents
Methods of Testing Assumptions ........................................................................................ 285
Section 10.3 Process and Logic ................................................................................................ 286
The Logic Behind Discriminant Analysis ........................................................................... 286
Interpretation of Results ...................................................................................................... 287
Writing Up Results .............................................................................................................. 293
Section 10.4 Sample Study and Analysis .................................................................................. 294
Problem ............................................................................................................................... 294
Methods and SPSS “How To” ............................................................................................ 294
Output and Interpretation of Results ................................................................................... 299
Presentation of Results ........................................................................................................ 303
Summary ..................................................................................................................................... 303
Checklist for Conducting Discriminant Analysis ........................................................................ 305
Exercises for Chapter 10 ............................................................................................................. 306
Chapter 11 Logistic Regression .................................................................. 307
Section 11.1 Practical View ...................................................................................................... 307
Purpose ................................................................................................................................ 307
Sample Research Questions ................................................................................................ 311
Section 11.2 Assumptions and Limitations ............................................................................... 311
Section 11.3 Process and Logic ................................................................................................ 312
The Logic Behind Logistic Regression ............................................................................... 312
Interpretation of Results ...................................................................................................... 313
Writing Up Results .............................................................................................................. 315
Section 11.4 Sample Study and Analysis .................................................................................. 316
Problem ............................................................................................................................... 316
Methods and SPSS “How To” ............................................................................................ 316
Output and Interpretation of Results ................................................................................... 320
Presentation of Results ........................................................................................................ 322
Summary ..................................................................................................................................... 322
Checklist for Conducting Binary Logistic Regression ................................................................ 323
Exercises for Chapter 11 ............................................................................................................. 324
ix