The nurse evaluates a research study that examines the relationship between computer and television screen time and obesity.A correlational analysis reveals a correlation of +0.95.What can the nurse conclude about the relationship between these two variables?
A) An increase in screen time causes obesity.
B) An increase in obesity leads to increased screen time.
C) Screen time and obesity vary in opposite directions.
D) Screen time and obesity vary together.

Question

Quizplus · Accepted Answer

A positive correlation between variables indicates that the variables vary together.Variables that vary in opposite directions will have a negative correlation.Descriptive research is the exploration of phenomena in real-life situations.Correlational studies do not indicate cause,so an increase in screen time or an increase in obesity does not cause or lead to an increase in the other.

The Nurse Evaluates a Research Study That Examines the Relationship