Consumer surface · research-methods · cluster 1 P1
Analysis Wizard
Rigorous two-group comparison: it checks the assumptions, picks the right test, catches the errors most analysts miss — switching to Welch when variances differ, to a rank test when the data are badly non-normal — and shows you the naïve answer versus the corrected one. Cited to the canon.
The toolbox checks assumptions, picks the rigorous test, and cites its reasoning. Post de-identified values only.