Kim Randomly Selects Ten People to Participate in Her Study

Multiple Choice

Kim randomly selects ten people to participate in her study. To increase her sample size, Kim asks each respondent to refer her to two other individuals that are similar to the original respondent. She then asks those individuals for two more individuals that are similar to them. Kim is using a _____ sample.

A) random
B) snowball
C) quota
D) stratified
E) cluster