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by Manuel_D 1348 days ago
As per the article:

> You might ask why we included the second condition, i.e. modulated interviews that didn’t change the interviewee’s pitch. As you probably noticed, if you played the videos above, the modulated one sounds fairly processed. The last thing we wanted was for interviewers to assume that any processed-sounding interviewee must summarily have been the opposite gender of what they sounded like. So we threw that condition in as a further control.

It wouldn't affect things like cadence, but they did include a modulated (but not cross gender) control group.