Answer:
dissonant colors heighten the emotional impact
Explanation:
Ernst Ludwig Kirchner was a famous painter who painted the Berlin Street in the year 1913 before World War I. His oil paintings depicted the relationship between men and women. He also showed the then present chaotic life of the people through his paintings.
Kirchner's Expressionistic paintings represented a very powerful reaction against the Impressionism. Kirchner's paintings is characteristic of Expressionism because it lacks the harmony in it that signifies the emotional life of the people was suffering before the World War I. This made him very famous.
Hence the answer is ---
dissonant colors heighten the emotional impact
To put it on a simple term, psychology is the study to know why our mind works.
Behavior is not the only thing covered by psychology. It's a huge factor of it, but not all of it.
Psychology also teach us on why people developed a certain opinion, how people developed a certain preference, how interaction with other people affect our minds, etc.
