Part one of term paper
Rosenthal and Jacobson (1966) sought to test the experimenter expectancy effect by examining how much of an outcome teachers' expectancies could have on a group of children. Earlier investigations in this area were also conducted by Rosenthal (1963). He worked with children in a research lab, giving each one a rat and telling them it was ei ...

Part two of term paper
... rats were chosen at random. There were no rats that were especially bright or dull. Another case of the experimenter expectancy effect was that of the horse known as “Clever Hans”. It seemed to be able to read, spell, and solve math problems by kicking his leg a number of times. The horse was tested and passed, but what the experts did not realize was that their own hopes for the horse to answer the questions, were giving the horse signs on which he based his answers. That is, if someone ...