2. A Few Keywords and Definitions for Understanding Statistics – V (contd.)
- by Dr. Prafulla Dikshit ( 3 minutes read ) 2.9 Reliability and Validity All the measures discussed in the previous posts vary in the extent to which they are at a risk or have a possibility of being biased or yielding faulty results. However, there are ways to determine and to some extent ensure that the bias or errors in the measures may be minimized. This helps ensure the effectiveness of the measures. One such means to determine the effectiveness of the measures you are using is to assess their Reliability, which is the consistency or the stability of the measuring tool or instrument. It is also important to point out the distinction between the property or phenomenon, being measured, its measure, and the measuring tool at this juncture. The distinction between the property or quantity being measured is largely self-explanatory as that between the measured and the measurement. However, the distinction between the measures an...