On the social psychology of the psychological experiment: With particular reference to demand characteristics and their implications.
It is to the highest degree probable that the subjectl's] . . . general attitude of mind is that of ready complacency and cheerful willingness to assist the investigator in every possible way by reporting to him those very things which he is most eager to find, and that the very questions of the experimenter . . . suggest the shade of reply expected . . . . Indeed . . . it seems too often as if the subject were now regarded as a stupid automaton . . . . A. H. PIERCE, 1908 :!