When collecting data to conduct research, if the sample used includes only observations which have remained in the sample over time, making that sample unrepresentative of the broader population, ________ occurs.
A) intention to treat
B) survivor bias
C) regression discontinuity
D) difference-in-differences

Question

Quizplus · Accepted Answer

Survivor bias occurs when a sample only includes observations that have "survived" or remained over time, leading to an unrepresentative sample of the broader population. This can skew results and conclusions because it does not account for those elements that did not persist.

When Collecting Data to Conduct Research, If the Sample Used