A nurse researcher wants to study the effect of a nutritional educational intervention on weight loss in obese adolescents.The researcher designs a study including a homogeneous sample,randomization,and consistent data-collection procedures.Which variable should these approaches protect from interference?
A) Nutritional educational intervention
B) Age range
C) Obesity
D) Weight loss

Question

Quizplus · Accepted Answer

Correct D: Weight loss is the dependent variable,the variable most affected by control methods.
Incorrect A: Nutritional educational intervention is the independent variable.
Incorrect B: Age range is a subject characteristic and not the major focus of control methods.
Incorrect C: Obesity is a subject characteristic and not major focus of control methods.

A Nurse Researcher Wants to Study the Effect of a Nutritional