This document contains four journal entries by a student discussing concepts from social psychology. The first entry describes the student's mother disapproving of her boyfriend due to his educational and employment background, showing stereotyping. The second discusses how the student overcame doubts to achieve academic success, demonstrating self-efficacy. The third describes a classmate who is favored by teachers due to her intelligence but has a poor attitude, showing the halo effect. The fourth acknowledges the student's tendency to blame others to preserve their self-esteem, known as self-serving biases.