Final answer:
Stephen R. Covey authored 'The 7 Habits of Highly Effective People'. Abraham Maslow is known for the hierarchy of needs, and Carl Rogers also contributed to humanistic psychology. Walter Dill Scott used psychology in advertising and Albert Bandura proposed observational learning.
Step-by-step explanation:
The author of the book The 7 Habits of Highly Effective People is Stephen R. Covey. This influential work focuses on personal development and leadership. When discussing well-known psychologists who made significant contributions to the field, it’s important to mention that Abraham Maslow is most well-known for proposing his hierarchy of needs. Additionally, Carl Rogers, together with Maslow, focused on the humanistic approach to psychology, emphasizing growth potential and self-actualization.
The first psychologist known to use psychology in advertising was Walter Dill Scott. Moreover, another renowned psychologist, Albert Bandura, proposed the concept of observational learning, which is a significant theory in the field of social learning and behavior.