There are three kinds of validity according to yin

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Unformatted text preview: configurations, causal flows, and propositions 3.7 QUALITY STANDARDS According to Saunders et. al. (2000) it is not enough to simply collect and analyze data for research to ensure quality. In order to reduce the possibility of getting the wrong answers the researcher has to be aware of two particular emphases on research design namely: validity and reliability. 3.7.1 Validity The definition of validity is according to Denscombe (2000) to what extent the research data and the methods for obtaining these data are considered precise, correct and accurate. The definition is further developed to include the questions of how well the data reflects the truth, the reality and the main questions. There are three kinds of validity according to Yin (1994): construct, internal and external. Construct validity involves the process of establishing the correct operational measures for the studied concepts. Internal validity will not be discussed here, since it should not be used in descriptive or explanatory studies. The external validity deals with the iss...
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