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72,10
2010 May 24
5
Means do not tally
Hi all,
here is my situation
In my experiment, I expose 10 subjects to 24 different conditions of
stimuli. Each condition is exposed to the same subject 3x.
This would make each subject have 24x3=72 data points. All the subjects
combined would have 72x10=720 data points with each condition having 30
datapoints.
To find the grand average of each condition, I find the average of all the
datapoints for a given condition.
To find the SD for each condition, if I use the raw dataset (720 datapoints)
it would not reflect the SD across subjects. Therefor...