In 1966, American pyschologist Julian Rotter proposed the Locus of Control concept
Stanley Milgram is famous for the so-called Milgram experiment where he tried finding out why and how people could be coerced into doing things outside of their own belief system - c.
This was famous because he ordered people to deliver electric shocks to other people with the people being surprisingly compliant.
The answer is because <span>Edgar is afraid of making her upset
Edgar realizes that Catherine was really fond of Heathcliff and he does not want to lose his cool in front of Catherine.
But After Heathcliff's return, the interaction between Catherine and Heathcliff made Edgar really angry and he exploded his emotions toward Catherine.</span>