1. Describe three important milestones in the development of psychology. Explain why these particular milestones were important and why you chose them. 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. What do split-brains reveal about the functions of our two brain hemispheres?