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November 21st, 2016, 05:17 AM  #1 
Newbie Joined: Nov 2016 From: Denma Posts: 2 Thanks: 0  From data to ANOVA
Hi everybody, I'll go directly to the point. I did an experiment in which I used electrical stimulations. The stimulation is defined by 2 parameters, pulse and frequency. I used 3 different frequencies (20,70,120) and 4 different pulses(100,200,300,400). Each pulse/frequency combination was given 3 times in randomized order to the subject I have 16 subjects involved in the study. My NULL hypothesis is that there is not difference among different combinations. I cannot find a way to implement it by hand (also using a software would be ok). Do you have any hints? Thanks in advance! Andrea 
November 21st, 2016, 02:49 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,338 Thanks: 532 
Difference in what?

November 22nd, 2016, 12:46 AM  #3 
Newbie Joined: Nov 2016 From: Denma Posts: 2 Thanks: 0 
Hi MAthman, Thanks for your reply. Difference in using a combination pulse/frequency instead of another one. 
November 22nd, 2016, 01:49 PM  #4 
Global Moderator Joined: May 2007 Posts: 6,338 Thanks: 532 
The question I asked is not the difference in your input, but what is the output that shows a difference.


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