Literary and art psychology is a branch of literary art or aesthetics, which studies the problems in literary and artistic creation, literary and artistic works, and literary and artistic acceptance from a psychological perspective. According to the above definitions, which of the following statements are not literary psychology? ['Austrian psychologist, psychiatrist uses psychoanalysis to study literary activities.', 'Study the psychological motivation of artistic creation.', 'Studying the Metrics in Classical Poetry.', "Study the artist's artistic experience."]