Characteristics of Good Measuring Instruments!
Overview There are several terms often used when referring to characteristics of measuring instruments: resolution, accuracy, and precision. These terms describe how sensitive instruments are to measured quantities, how bias affects the measurements, and how repeatable an instrument is when measuring. Characteristics of Measuring Instruments Characteristics of good measuring instrument tool are as follows: Reliability Consistency Validity Usability Explanation of the points Reliability is an extensive measures for keeping a good measuring instrument, it is the correctness or the extent to which the instrument determines the same object as it is used on the same subjects every time under the same circumstances. The next measure is consistency that determines what is supposed to be measured in a study. Validity indicates the amount of test serves and its purpose. Usability is defined as the without spending more money by using the existing. It is important that a test is re