Problem with random allocation of participants

[wakecarter]

Are you trying to import random?

Wakefield's Daily Tips

Developer Tools If you encounter an error in an online study, open the Developer tools console using Ctl-Shift-I in Windows/Chrome, Cmd-Opt-J or Cmd-Opt-I in Mac/Chrome, F12 in IE/Edge, Ctrl-Shift-J in Windows/Safari or Ctrl-Opt-J in Mac/Safari. [image] [image] Select the Console tab at the top and errors item on the left to view errors. Ignore the 404 error related to favicon.ico Look for the error that appears on the main screen and click on the link next to Scheduler._currentTask. Take…

Wakefield's Daily Tips

Random functions Do not import random in Builder. As mentioned in Wakefield's Daily Tips - #19 by wakecarter Builder scripts already contain the line: from numpy.random import random, randint, normal, shuffle, choice as randchoice Their usage follows: a = random() # for a random number 0 <= a < 1 b = randint(i) # for a random integer 0 <= b < i c = normal(m, s) # for a random sample from a Gaussian distribution of mean m and standard deviation s shuffle(d) # to shuffle list d e = randchoice(d…