How to use this book -- Prologue: the dying stars -- Why you need science -- Reporting research, variables and measurement -- Summarizing data -- Fitting models [central tendency] -- Presenting data -- Z-scores -- Probability -- Inferential statistics: going beyond the data -- Robust estimation -- Hypothesis testing -- Modern approaches to theory testing -- Assumptions -- Relationships -- The general linear model -- Comparing two means -- Comparing several means -- Factorial designs -- Epilogue: the genial night -- Appendix -- Glossary -- References -- Index -- Acknowledgements.