A researcher may use which strategy to reduce the potential for measurement error when evaluating obesity in study subjects?
A) Measure weight,abdominal girth,and BMI on all subjects.
B) Train multiple data collectors to take measurements.
C) Use scales in several different clinical settings to obtain data.
D) Utilize a single measure,such as BMI,applied to all subjects.

Question

Quizplus · Accepted Answer

Obesity is less precise than some concepts,so multiple methods to measure obesity should be used to minimize measurement error.Using multiple data collectors and multiple instruments,such as scales,increases the risk of measurement error.Using multiple data collectors and multiple instruments,such as scales,increases the risk of measurement error.Obesity is less precise than some concepts,so multiple methods to measure obesity should be used to minimize measurement error.

A Researcher May Use Which Strategy to Reduce the Potential