Advanced Statistical Analyses: How to Perform Them and How to Write Them Up in an Understandable MannerIn the past four decades of teaching statistics to graduate students, I have experienced student after student who had numerous difficulties in analyzing data with the Statistical Package for the Social Sciences (SPSS, versions 15 up to the current version 27). This situation is especially true when dealing with advanced statistical procedures. I have seen students having extreme difficulties in analyzing data properly and in interpreting and in