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Splitting your analysis by user group or other criteria (such as region) is a common need, especially for larger websites.
Analyzing by user group
If you have more than one user group visiting your site (and most of us do), analyzing a tree test is a lot easier if you analyze each user group separately.
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Once you’ve generated the results for each group, analysis proceeds as we’ve described elsewhere in this chapter. But at each step of the analysis (success rates, backtracking, first clicks, etc.), we can compare how the groups performed and look for any major discrepancies between them.
Analyzing by other criteria
Just as we can split our analysis by user group, we can do the same for other factors such as:
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