How is The Seagull by Chekov an example of Psychological realism?

"The Seagull" by Chekhov is an example of Psychological realism because it focuses on the inner thoughts and emotions of the characters, portraying their complex psychological states with depth and authenticity. The play delves into the characters' desires, fears, insecurities, and motivations, revealing the intricacies of human psychology and behavior in a realistic and nuanced manner.