Social Statistics

  1. Testing for Differences Between Means
    1. One-Sample Tests
      1. One-Sample Z-Test
        1. Assumptions and Conditions
          1. Test Statistic Calculation
            1. Critical Values and P-Values
            2. One-Sample t-Test
              1. When to Use t vs. z
                1. Assumptions
                  1. Degrees of Freedom
                    1. Interpreting Results
                  2. Two-Sample Tests
                    1. Independent Samples t-Test
                      1. Assumptions
                        1. Pooled Variance Approach
                          1. Separate Variance Approach
                            1. Levene's Test for Equality of Variances
                              1. Effect Size Measures
                              2. Welch's t-Test
                                1. When to Use
                                  1. Advantages over Pooled t-Test
                                  2. Mann-Whitney U Test
                                    1. Non-parametric Alternative
                                      1. Assumptions and Procedures
                                    2. Paired-Samples Tests
                                      1. Paired-Samples t-Test
                                        1. When to Use
                                          1. Assumptions
                                            1. Calculating Difference Scores
                                              1. Interpreting Results
                                              2. Wilcoxon Signed-Rank Test
                                                1. Non-parametric Alternative
                                                  1. Procedures and Interpretation
                                                2. Analysis of Variance
                                                  1. One-Way ANOVA
                                                    1. Logic and Rationale
                                                      1. Between-Group Variance
                                                        1. Within-Group Variance
                                                          1. F-Statistic
                                                            1. Assumptions of ANOVA
                                                              1. Post-Hoc Comparisons
                                                                1. Tukey's HSD
                                                                  1. Bonferroni Correction
                                                                    1. Scheffe's Test
                                                                    2. Two-Way ANOVA
                                                                      1. Main Effects
                                                                        1. Interaction Effects
                                                                          1. Simple Effects Analysis
                                                                            1. Interpreting Interaction Plots
                                                                            2. Repeated Measures ANOVA
                                                                              1. Within-Subjects Designs
                                                                                1. Sphericity Assumption
                                                                                2. Non-parametric Alternatives
                                                                                  1. Kruskal-Wallis Test
                                                                                    1. Friedman Test

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                                                                                9. Hypothesis Testing

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                                                                                11. Analysis of Categorical Data