Hello gabrielle
look here for the crib sheet:
Why do you use slice? Isn’t
rows1 = str(0) + ":" + str(nrows/4)
rows2 = str(nrows/4) + ":" + str(nrows/2)
...
working? That code should translate to PsychoJS. I assume that you use rows1 to rows4 to select rows from an Excel-file.
Best wishes Jens