The guide’s early chapters explain the unique structure of a Prism project: the (left side), the Family Panel (upper left), and the Workbook (right side). It clarifies how data tables, analysis results, and graphics are linked—a concept that confuses Excel veterans.
The manual clarifies the confusing distinction between “Main effects” vs “Simple effects” in two-way ANOVA, including how Prism 9 automatically corrects for multiple comparisons when you have dozens of rows. Graphpad Prism 9 User Guide Pdf
Even if you are using the 30-day free trial of Prism 9, the Help menu and online documentation are fully accessible. You can download the PDF guide without entering a serial number. The guide’s early chapters explain the unique structure