There is a distinction that one learns about on the first day of a course in psychological research methods. It is the difference between internal and external validity. Internal validity is ...
Knowledge development has been continuously challenging. Qualitative research seems to be promising; however, there are difficulties and complexities involved, one of which is validity. Qualitative ...
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New technologies like AI come with big claims. The scientific concept of validity can help cut through the hype
Technological innovations can seem relentless. In computing, some have proclaimed that "a year in machine learning is a ...
Most time-series research fails to consider measurement issues that are addressed regularly in cross-sectional research designs. However, to measure specified constructs in time-series research, ...
Correspondence to Dr Moritz Schumann, Institute of Cardiovascular Research and Sports Medicine, Department of Molecular and Cellular Sports Medicine, German Sport University Cologne, Koln 50858, ...
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