Results 291 to 300 of about 1,541,809 (319)
Chemical analysis of low grade gold from mine tailings after size fractionation and acid digestion using reverse aqua regia. [PDF]
Sci RepMashale KN +4 more
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The Illusive Gold Standard in Genetic Ancestry Testing [PDF]
Science, 2009 New regulations on disclosure, authority, and responsibility would shape how genetic ancestry tests are used.
Troy Duster +5 more
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Commercially Developed Tests of Reading Comprehension: Gold Standard or Fool’s Gold?
Reading Research Quarterly, 2021ABSTRACTMany seem to believe that researcher‐made tests are unnecessary, if not inappropriate, for evaluating reading comprehension interventions. We suggest that this view reflects a zeitgeist in which researcher‐made (proximal) tests that align with the researchers’ interventions are closely scrutinized and often devalued, whereas commercially ...
Douglas Fuchs, Nathan H. Clemens
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The Nonstress Test: Reassessment of the “Gold Standard”
Clinics in Perinatology, 1994The NST is simpler, less invasive, less time-consuming, and less expensive than its predecessor, the CST. It may be conducted in the outpatient setting with less skilled personnel. If the NST is to remain an important diagnostic modality, the issues of interpretative criteria, test conditions, and population composition must be reconsidered.
Lawrence D. Devoe, Debra J. Ware
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Evaluation of diagnostic tests without gold standards
Statistical Methods in Medical Research, 1998This paper reviews statistical methods developed to estimate the sensitivity and specificity of screening or diagnostic tests when the fallible tests are not evaluated against a gold standard. It gives a brief summary of the earlier historical developments and focuses on the more recent methods.
Siu L Hui, Xiao H Zhou
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Immunofluorscense - still the 'gold standard' in ANA testing?
Scandinavian Journal of Clinical and Laboratory Investigation, 2001A usefulness of enzyme immunoassay (EIA)-based antinuclear antibodies (ANA) tests was evaluated in comparison with the immunofluorescence ANA assay (IF-ANA). COBAS-ANA and MBL-ANA were used, in the former a mixture of antigens extracted from HEp-2 cells and multiple recombinant antigens was immobilized on beads as the antigen, and in the latter 9 kinds
Nobuhide Hayashi, Shunichi Kumagai
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The choice of gold standard for evaluating tests for caries diagnosis.
Dentomaxillofacial Radiology, 1999All research is intended to provide new information. Studies should be designed in such a way that their results can be generalised to either a population or a process. Researchers function within a common paradigm, first described by Kuhn. 1 A paradigm is a framework containing patterns of thought which are ‘commonly agreed upon’ within a certain ...
A Wenzel, H Hintze
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A gold standard test for adrenal insufficiency in children?
Nature Reviews Endocrinology, 2010Accurate testing of the integrity of the hypothalamic–pituitary–adrenal axis in children at risk of central adrenal insufficiency is difficult and a subject of debate. Findings of a new study by Di Iorgi et al. reveal the usefulness of a potential alternative to the insulin tolerance test—the glucagon stimulation test.
Claahsen-van der Grinten, H.L. +1 more
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A “Gold Standard” Test for Diagnosing and Quantifying Hemolysis in Neonates and Infants
Journal of Perinatology, 2023Identifying "gold standard" diagnostic tests can promote evidence-based neonatology practice. Hemolysis is a pathological shortening of the erythrocyte lifespan, differing from erythrocyte senescence in responsible mechanisms and clinical implications. Diagnosing hemolysis goes beyond a binary (yes vs. no) determination.
Robert D. Christensen +5 more
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Randomization tests: A new gold standard?
Journal of Contextual Behavioral Science, 2014Abstract Classical statistical methods rely on the analytical power of mathematics and some assumptions rather than on computer power. In research with human participants the assumption of random sampling is rarely correct. The great increase in computer power in recent decades makes available an approach to statistical inference which does not ...
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