A researcher calibrates an instrument by placing a five-pound weight on a scale to see if the scale gives a reading of 5.0 pounds.The researcher is testing the scale's
A)reliability.
B)accuracy.
C)validity.
D)correlation.

Question

Quizplus · Accepted Answer

The researcher is testing the accuracy of the scale by checking if it gives a reading of 5.0 pounds when a 5-pound weight is placed on it. Accuracy refers to how close a measurement is to the true or actual value, which in this case is 5.0 pounds. Reliability refers to the consistency of the scale's measurements, validity refers to whether the scale is measuring what it is intended to measure, and correlation refers to the relationship between two variables.

A Researcher Calibrates an Instrument by Placing a Five-Pound Weight