1. Psychological thought has evolved from philosophical inquiry to scientific research. In your own words, describe the value of different perspectives in the field and the need for the subdivisions you read about in Lesson 1.

2. Explain how psychologists use case studies, naturalistic observations, and surveys to observe and describe behavior, and why is random sampling important.

3. In your own words, briefly describe the location of the frontal lobes and their function. Describe how your life could be affected if your frontal lobes were damaged.

4. In your own works, explain how heredity and environment work together and why psychologists are concerned with human biology.