Question: Which of the following was a main finding of Arlie Hochshild's classic study, The Managed Heart? Question options: Airline attendants are different from factory workers because the former but not the latter sell their emotional displays. Airline attendants are allowed to show fatigue and irritation, so that passengers can relate to them as human beings. Airline attendants refute Karl Marx's theories of labor exploitation, insofar as the emotional benefits add to the financial rewards. All of the above are key findings from Hochshild's study.