Research Methods for Graduate Business and Social Science Students is a fundamental and easy guide to studying research methods. In addition to the general concepts relating to research methods, broad research issues and theoretical concepts critical to research are discussed. The book is written in a reader-friendly manner and contains plenty of examples and helpful practical exercises at the end of each chapter to reinforce and enjoy learning.
Chapter 14: Tests of Measurement and Quality
Tests of Measurement and Quality
Three criteria are generally used for testing and evaluating measurements of variables and ensuring the quality of data, research design methods and the overall accuracy of study results. These criteria are known as reliability, validity and generalisability. These are very important, both in qualitative as well as in quantitative research. In quantitative research, they are followed fairly easily in order to understand the actual reality and to generalise the findings. However, qualitative study has different benefits although generalisation can be difficult. Moreover, qualitative research requires theoretical sophistication and methodological rigour.
Reliability estimates the consistency of the measurement or more simply, the degree to which an instrument measures the same way each time it is used under the ...