OrneM. T.On the social psychology of the psychological experiment: With particular reference to demand characteristics and their implications. American Psychologist, 1962, 17, 776–783.
2.
RosenthalR.On the social psychology of the psychological experiment: The experimenter's hypothesis as unintended determinant of experimental results. American Scientist, 1963, 51, 268–283.
3.
VerplanckW. S.The control of the content of conversation: Reinforcement of statements of opinion. Journal of Abnormal and Social Psychology, 1955, 51, 668–676.
