![]() However, the concept of determination of the credibility of the research is applicable to qualitative data. Traditionally, the establishment of instrument validity was limited to the sphere of quantitative research. Importance of determining validity in a research ![]() This includes history, maturation, testing, instrumentation, selection, mortality, diffusion of treatment and compensatory equalization, rivalry, and demoralization. The reason behind determining validity lies in the plethora of threats a research faces. Consequently, measuring behaviours lead to the dilemma of whether to measure what is intended to be measured.įor example, when a study is intended to measure the engagement of employees in an organisation, the survey developed to answer the motivating factors is not considered to be valid.Īlthough the issue of validity cannot be established with complete certainty, it is still favoured to maintain the validity of the measuring instrument. ![]() In this case, determining the validity of the measuring instrument (questionnaire) holds the utmost importance (Drost 2011). Measurement is a replicable and systematic process through which an object or instrument is quantified or classified as in the field of social science that deals with the quantification of behaviour.
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