Resolving The Problem. In other words, their standard deviations need to be approximately the same. Uses t tests to perform all pairwise comparisons between group means. We'll briefly jump into Post Hoc and Options before pasting our syntax. A hospital wants to know how a homeopathic medicine for depression performs in comparison to alternatives. Example experiment. Available multiple comparison tests are Bonferroni, Tukey's honestly significant difference test, Sidak, Gabriel, Hochberg, Dunnett, Scheffé, and LSD (least significant difference). Running our ANOVA in SPSS. I will use an example to explain how to perform a one-way ANOVA test. Yes, the ONEWAY (Analyze>Compare Means>One Way ANOVA in the menus), GLM (Analyze>General Linear Model>Multivariate) and UNIANOVA (Analyze>General Linear Model>Univariate) procedures offer the Tukey (HSD, or "Honestly Significant Difference") test. They adminstered 4 treatments to 100 patients for 2 weeks and then measured their depression levels. LSD . The Tukey HSD test is a way of reporting ANOVA results and determining if the relationship between three independently varying quantities is statistically significant. It relies on first collecting values from a standard ANOVA test and then using specialized programs or sites for the Tukey HSD. The dependent variables should have homogeneity of variances.

SPSS One-Way ANOVA with Post Hoc Tests Tutorial By Ruben Geert van den Berg under ANOVA.

See how to test for normality in SPSS. The post hoc test we'll run is Tukey’s HSD (Honestly Significant Difference), denoted as “Tukey”. There's many ways to run the exact same ANOVA in SPSS. For instance, say we have measured the weights of different rats. Today, we'll go for General Linear Model because creates nicely detailed output. Can SPSS produce Tukey-Kramer comparisons?