Unit 3 Test Name:____________________ 1. A person?s activity space is primarily affected by a. age, mobility, opportunity. b. income, sex, ethnicity. c. politics, religion, nationality. d. health, education, employment. Answer: A 2. When the effort involved in travel exceeds the willingness to travel, the control in operation is a. distance decay. b. activity space. c. critical distance. d. territoriality. Answer: C 3. The most effective and common means of accumulating information affecting spatial interaction is a. library research. b. personal contact. c. national magazines and television. d. travel books. Answer: B 4. The concept of place utility refers to a. the perception of danger from natural hazards.