In a Study That Explored the Causes of Posttraumatic Stress

question 51

Multiple Choice

In a study that explored the causes of posttraumatic stress disorder in Vietnam war veterans,researchers found that two things were necessary for a vet to develop chronic PTSD.What were they?

• A)having a twin or close sibling and having prior experience with traumatic events
• B)having a relatively small hippocampus and experiencing a traumatic event
• C)being predisposed to sweaty palms and a shortness of breath
• D)having a tendency to be nervous and suffering damage to the hippocampus

---

Definitions:

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together, showing the strength and direction of their relationship.

Variables

Elements, features, or factors that can change and affect the outcome of scientific research or experiments.

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables.

P-value

A statistical measure that helps scientists and researchers determine the significance of their experiment's or study's results.