Between-Group randomization of questionnaires in an experiment file (case 6333)
Hi there, I'm trying to randomize the order in which 2 questionnaire files (IAT.que, and GNG.que) are presented in my experiment file, and it doesn't seem to be working. In my experiment file, I have IAT.que in position 2, and GNG.que in position 3, with both having BGR values of 1 (the rest of the files in the experiment have WGR and BGR values of 0). My problem is:
When the GNG is presented first, it always skips over the IAT questionnaire to the next file in the experiment (i.e., doesn't present the IAT). However, when IAT is presented first, it works properly (i.e., after the IAT questionnaire, it moves on to the GNG questionnaire). I know randomization is usually used in questionnaire, not experiment files, but I really need to do this and theoretically, what I've done should work. Anyone have a solution? Thank you so much - I've been tearing my hair out over this! :-)
use the RWG field instead
You should use the RWG field instead of the RBG. The primary difference is that using the RBG if you want to randomize [I]groups[/I] of files and use RWG to randomize individual files.
So if these are the only two questionnaire files in your experiment file, then you will definitely want to use RWG for any randomization. If you wanted to randomize these two files and keep their relative position the same among any other questionnaire riles you are using in the experiment file, that would be the time to use RBG like you are now (while assigning the appropriate numbers to the other questionnaire files).
As an alternative, you could try combining all the individual items from the IAT and CNG files into a single questionnaire file. Assign all the IAT items one number in the RBG field of the questionnaire and all of the CNG files a different number in the RBG field. If you want to present the items in the IAT and CNG groups in the order you put them in this new single questionnaire file, just put a 0 in all the RWG fields of the new single questionnaire file; otherwise, assign all the IAT items one number in the RWG field of the questionnaire and all of the CNG files a different number in the RWG file. This would randomize the presentation of items within the IAT and CNG groups.
I hope this helps. Let me know if it works.
Good luck!
Psychboiler