After receiving good or bad personality test feedback, subjects’ evidence-seeking can be measured covertly.

Evidence

I collected the sheets, which had been discretely premarked for Low and High RWAs and “feedback scores.” These sheets would now tell me how many Lows and how many Highs, after getting good or bad news about their personalities from a psychological test, wanted to see the evidence for the Immediately after I had collected all the sheets, I came clean. — Bob Altemeyer, The Authoritarian Specter, 1849