Also see the "For Review" questions at the end of Chapter 3.

1		1. What are the three factors that effectively control spatial interaction? Give an example of each.
2		2. Using the concepts introduced in Chapter 3, discuss why people may choose to shop at the closest grocery store to their home.
3		3. What is meant by a movement bias?
4		4. Would you expect an individual's activity space to change with age? Why or why not?
5		5. Discuss why perceptions are an important part of natural hazards research.
6		6. List and describe the types of migration listed in the text. Which types apply to the people of your area?
7		7. Explain, using several examples, the differences between push factors and pull factors.
8		8. What is the difference between step migration and chain migration?