A limitation of research linking optimism and better health outcome is that it ______.
A) has not been conducted on children and adolescents
B) has only involved hospitalized patients
C) has been correlational
D) has focused almost exclusively on females

Question

Quizplus · Accepted Answer

The fact that this research has been correlational means that it cannot conclusively establish a causal relationship between optimism and better health outcomes. Correlational studies can only show a relationship between variables, but cannot prove that one variable causes the other.

A Limitation of Research Linking Optimism and Better Health Outcome