A researcher who tests the same individuals over thirty years, when they are 10, 20, 30, and 40 years old, is conducting:

Which of the following is an example of social influence?

a. You feel guilty because you lied to your trusting professor about your assignment. b. When you get hungry, you have trouble concentrating. c. You didn't do well on the test because you stayed up all night cramming. d. You almost fall asleep at the wheel, so you pull off the road to take a short nap.

A range of about four to 12 feet eliminates most touching and formalizes conversations by requiring greater voice projection. This distance zone is called distance

a. public b. social c. territorial d. personal