A researcher evaluating the weight of subjects who are obese ensures that the scales used are maintained and calibrated according to the manufacturer's recommendations.This is to ensure
A) accuracy.
B) convergence.
C) precision.
D) validity.

Question

Quizplus · Accepted Answer

Precision is the degree of consistency or reproducibility of measurements made with physiological instruments and is comparable to reliability in psychosocial measures.Accuracy is comparable to validity,addressing the extent to which the instrument measures what it is supposed to measure.Evidence of validity from convergence is determined when a relatively new instrument is compared with an existing instrument that measures the same construct.Validity addresses the extent to which the instrument measures what it is supposed to measure.

A Researcher Evaluating the Weight of Subjects Who Are Obese