D. R. Morris

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The social sciences are in need of an alternative to the variance approach to causal inference, which—because it requires a counterfactual—restricts the claim of valid inference to conclusions drawn from experimental and quasi-experimental methods. Process theory proposes an alternative by way of demonstrating the presence of observable characteristics of(More)
Biospecimens are the essential substrates for human biomarker research. Across the globe, biobanks have developed the facilities and mechanisms to collect, process, store and distribute those substrates to researchers. However, despite some notable successes, less than one hundred of the tens of thousands of purported biomarkers have been independently(More)
Two information systems in the English National Health Service (NHS) are described and discussed. The performance indicator scheme enables service inputs and activity to be readily compared between district health authorities (DHAs) or hospitals. Quality of care is not measured directly by performance indicators but in certain circumstances a limited(More)
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