Statosphere - Let's Learn Stats!

                2.10         Research Methods     In the last post, we touched upon the concepts of reliability and validity and how they help determine the effectiveness of the measures we use in statistics. We are now inching closer to finishing basic know-how of terms and keywords to get acquainted with the field of statistics. We have now arrived at a point where we are transitioning from the 'what' and 'why' to the 'how' of statistics while exploring the basic ideas and principles to get a feel of statistics.    In this context, there is an important distinction we need to make between how we implement all these basic ideas and principles toward our research goals. This has to do with the methods of research that tie the ideas discussed thus far into applicable knowledge. These make the most of statistical learning as related to research applications, however, c...

- 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...