Behavioral Bias: The Pygmalion Effect Also Known As The Self Fulfilling Prophecy or Rosenthal Effect
Pygmalion effect – refers to the phenomenon that the greater the expectation placed upon people, often children or students, the better they perform. The effect is named after Pygmalion, a Cypriot sculptor in a narrative by Ovid in Greek mythology, who falls in love with a female statue he has carved out of ivory. (Via Wikipedia):
Often times the different behavior is explained by different treatment.
The Pygmalion Effect In The Workplace (Via Aftau.org):
Study results indicate that when a manager expects a lot from an employee, the manager’s leadership style changes and subsequently boosts the employee’s self-confidence. “If your boss believes you can excel, you are more likely to believe in your own capacity to succeed,” says Prof. Eden.
Conclusion: (Via Accel-Team)
Consciously or not we tip people off as to what our expectations are. We exhibit thousands of cues, some as subtle as the tilting of heads, the raising of eye brows or the dilation of nostrils, but most are much more obvious. And people pick up on those cues.