You Are Reading a Study About the Relationship Between Years

Multiple Choice

You are reading a study about the relationship between years of heroin use and risk of future overdose. You notice that the researchers randomly selected their sample in a tertiary care emergency room but did not exclude those who were there for treatment for overdose. You are concerned that recruiting at a site that treats patients who have overdosed may overestimate the risk of overdose with this sampling methodology. This could be an example of:

A) sampling bias
B) sampling error
C) increased specificity
D) increased sensitivity