There was a controversial study done in the 60s when we could still do these types of studies where they told teachers who the smart and dumb students were, the

There was a controversial study done in the 60s when we could still do these types of studies where they told teachers who the smart and dumb students were, the Pygmalion Effect.[0] The study suggests being "smart" has more to do with other people's perception and expectation. [0] https://en.wikipedia.org/wiki/Pygmalion_effect#Rosenthal.E2.80.93Jacobson_study https://en.wikipedia.org/wiki/Pygmalion_effect#Rosenthal.E2....