![]() ![]() ![]() Similarly, changes in standard levels in medical laboratory tests can impact the overall efficacy of the results. Instrumentation: Effective changes in instrumentation or in the criteria of recording behavior can because of threats to validity.įor example, the change in cutoff points for a TOEFL exam can impact the application process.They might be concerned about the findings of the research which can put them in a disadvantageous position in the organization. Testing: Instances where the respondents are asked questions which is questionable for their performance.įor example, if the employees are asked to rate the satisfaction level of their customers on different service quality parameters.However, in case the research is conducted after a long duration then the opinions can be biased and misleading. Then the validity of their answers will increase. ![]() The opinions of respondents depend on the recall time to gather opinions.įor example, if the researcher asks the respondents about satisfaction with products at a coffee store and where they will consume it. Timeline: Time is of paramount importance in research.This article discusses the threats to validity (internal and external) irrespective of the approach. In my previous article, I have discussed how the validity can be ensured with respect to Quantitative and Qualitative analysis.
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