Hi Wolfgang.

My question is this - if DBT is a scientific method of assessing difference, then there MUST be levels/quantities of sampling where we can say we have reached statistical significance. Do you (or anyone) know what that is?

1) How many people in the sample

2) How many times you need to perform each sample with each person.

Im looking for what the scientific community accept as a large enough trial that firm conclusions can be drawn, other things being equal. Im sure these figures are published and listed.

A figure plucked from the air wouldnt meet these guidelines, whatever they are.

If we cant get a large enough group together to gain results that will provide a result of statistical significance, then the exercise would become futile I feel.