Question

Dr. petrie administers surveys to 15 migrants from somalia who reside in minnesota. dr. petrie is interested in their immigration experiences. after examining the survey answers, dr. petrie concludes that all immigrants in minnesota have experienced racism and discrimination since coming to the united states. sample size and _____ are two problems with this study.

Answer 1

The answer is selection bias
Selection bias refers to every action taken by researchers that may cause the result of the research fail to achieve randomization.
In the excerpt above, Dr. Petrie not only choose immigrants but also choose immigrants with different races/skin color. This sample is not enough to make a generalization for all immigrants.