Too big reaction times in the data

[wakecarter]

I imagine the CSV extension was hidden.

Wakefield's Daily Tips

Show your file extensions By default Windows hides the file extensions of file types it recognises, instead showing an icon to indicate the type of file. In PsychoPy, and especially when running experiments online, you need to be sure that the file extensions you include in your spreadsheets and Builder files exactly match the ones on your computer. Here is where you turn on viewing file extensions (and hidden files) in Windows Explorer. [image] On a Mac the instructions from Show or hide fi…

That is what I get when I open PsychoPy data files from Excel too, which is why I usually open the file with Excel rather then opening the file from Excel.

As @JensBoelte points out, you could go straight to opening/processing the file in a stats package.