1. An Introduction to Statistics and Research Design.- 2. Frequency Distributions.- 3. Visual Displays of Data.- 4. Central Tendency and Variability.- 5. Sampling and Probability.- 6. The Normal Curve, Standardization, and z Scores.- 7. Hypothesis Testing with z Tests.- 8. Confidence Intervals, Effect Size, and Statistical Power.- 9. The Single-Sample t Test and The Paired-Samples t Test.- 10. The Independent-Samples t Test. - 11. One-Way ANOVA.- 12. Two-Way Between-Groups ANOVA.- 13. Correlation.- 14. Regression.- 15. Nonparametric Tests ukryj opis