The Pygmalion Effect
The Pygmalion Effect is the phenomenon in which higher expectations lead to higher performance. This effect is also known as the Rosenthal Experiment, named after psychologist Robert Rosenthal.
Sources:
https://files.eric.ed.gov/fulltext/ED...
https://en.wikipedia.org/wiki/Pygmali...
https://thenewstatistics.com/itns/201...
http://www.pseudoparanormal.com/2012/...
http://thebossshow.com/
https://hbr.org/2003/01/pygmalion-in-...