In other words, teachers' expectations had improved the academic performance of their students. Where they expected success, they found it.
Negative expectations can become self-fulfilling prophecies.
The Expectation Effect During the 1964-1965 school year, Harvard's Robert Rosenthal conducted an experiment in an elementary school to see whether teacher expectations influenced their students' performances. At the end of the term, all the students were tested, and the results made an important point. In other words, teachers' expectations had improved the academic performance of their students. Where they expected success, they found it. Following are two of them.