1.Graphical Introduction 2.Mathematics and Special Cases 3.Regression Artifacts Due to Extreme Group Selection 4.Regression Artifacts Due to Matching 5.Regression Artifacts Due to Statistical ""Equating"" 6.Regression Artifacts in Change Scores 7.Regression Artifacts in Time-Series Studies 8.Regression Artifacts in Longitudinal Studies 9.Cross-Lagged Panel Correlation Analysis 10.Conclusion *Glossary of Terms *Glossary of Symbols *Appendix A: Dice-Rolling Program and Data Sets Used as Illustrations *Appendix B: The Computation of Autocorrelations