SPSS One-Way ANOVA tests if the means on a metric variable for three or more populations are all equal. * The populations are identified in the sample by a categorical variable. For a very simple explanation of the basic idea, see ANOVA – What Is It?. SPSS One-Way ANOVA Example A farmer wants to know if the weight of parsley plants is […]
ANOVA -short for “analysis of variance”- is a statistical technique for testing if 3(+) population means are all equal. ANOVA – Null Hypothesis Test Statistic – F Assumptions for ANOVA Effect Size – (Partial) Eta Squared ANOVA – Post Hoc Tests The basic idea behind ANOVA: are 3(+) population means all equal? The two simplest […]
Null Hypothesis Assumptions Levene’s test in SPSS Output Reporting Levene’s Test – What Is It? If we want to compare 3(+) groups on a metric variable, we usually want to know if they have different mean scores. In most cases, we’ll run an ANOVA in order to find out. However, this requires the homogeneity assumption which states that the population […]
SPSS One-Way ANOVA Tutorials ANOVA – Simple Introduction SPSS One-Way ANOVA SPSS One-Way ANOVA with Post Hoc Tests SPSS Two-Way ANOVA Tutorials SPSS Two Way ANOVA – Basics SPSS Two-Way ANOVA with Interaction Repeated Measures ANOVA Tutorials Repeated Measures ANOVA – Simple Introduction SPSS Repeated Measures ANOVA – Tutorial SPSS Repeated Measures ANOVA – Example […]
