Investigators Reported That the Brain Structure, Amygdala, Was Larger in a Group

question 57

True/False

Investigators reported that the brain structure, amygdala, was larger in a group of combat veterans with PTSD than in combat veterans without PTSD

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Definitions:

Population

The entire group of individuals or instances about whom the research is focused.

Sampling Error

The difference between a statistic derived from a sample and the corresponding statistic of the entire population, due to chance variation in selecting the sample.

Population

The entire group of individuals or items that a researcher or statistician is interested in studying.

Representative Sample

A fraction of the population that truly represents the attributes of the entire group.