Introduction
The act of measurement is an essential component of scientific research, whether in the natural, social, or health sciences
Until recently, however, discussion regarding issues of measurement was noticeably absent in the deliberations of clinical researchers. Certainly, measurement played as essential a role in research in the health sciences as in other scientific disciplines. However, measurement in the laboratory disciplines presented no inherent difficulty. Like other natural sciences, Measurement was a fundamental part of the discipline, and was approached through the development of appropriate instrumentation. Subjective judgement played a minor role in the measurement process; any issue of reproducibility or validity was therefore amenable to a technological solution. It should be mentioned, however, that expensive equipment does not, of itself, eliminate measurement error.
IntroductionThe act of measurement is an essential component of scientific research, whether in the natural, social, or health sciences Until recently, however, discussion regarding issues of measurement was noticeably absent in the deliberations of clinical researchers. Certainly, measurement played as essential a role in research in the health sciences as in other scientific disciplines. However, measurement in the laboratory disciplines presented no inherent difficulty. Like other natural sciences, Measurement was a fundamental part of the discipline, and was approached through the development of appropriate instrumentation. Subjective judgement played a minor role in the measurement process; any issue of reproducibility or validity was therefore amenable to a technological solution. It should be mentioned, however, that expensive equipment does not, of itself, eliminate measurement error.
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