Researchers have found that people have the most _ response to strangers of a different race.
a. open
b. positive
c. negative
d. stressful

The correct answer is A. Stressful

Researchers have found that people have the most stressful response to strangers of a different race. This may be because of language barriers. People tend to be stressed when they have to explain or response in a different language to a stranger of a different race.