نتایج جستجو برای: guttman scaling
تعداد نتایج: 75767 فیلتر نتایج به سال:
Determinants of Intestinal Permeability in Healthy First Degree Relatives of Crohn’s Disease Patients, W. Turpin, D. Kevans, K. Shestopaloff, M. Smith, D. Guttman, M. Silverberg, W. Xu, A. Paterson, and K. Croitoru University of Toronto, Toronto, ON, Canada Mount Sinai Hospital, Toronto, ON, Canada Dalla Lana School of Public Health, Toronto, ON, Canada TheHospital for Sick Children Toronto, To...
Recently, the notion of complete characterizations of security protocols was introduced by Guttman and Thayer. We provide an alternative definition of this concept, and extend an existing protocol verification tool (Scyther) to compute our notion of complete characterization. We present both notions of complete characterization, discuss their relative merits, and provide preliminary empirical r...
BACKGROUND The motor function section of the Fugl-Meyer assessment scale (FM motor scale) is a robust scale of motor ability in people after stroke, with high predictive validity for outcome. However, the FM motor scale is time-consuming. The hierarchical properties of the upper extremity (UE) and lower extremity (LE) sections of the FM motor scale have been established in people with chronic s...
Genetic material is not randomly organized within the nucleus of a cell. How this organization occurs and why it matters are questions that Cell editor Marta Koch posed to Mitchell Guttman, Job Dekker, and Stavros Lomvardas. Excerpts from this Conversation are presented below, and an audio file of the full discussion is available with the article online.
John Rinn1,2,3 and Mitchell Guttman4 John Rinn: [email protected]; Mitchell Guttman: [email protected] 1Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA 2Beth Israel Deaconess Medical Center, Boston, MA 02215, USA 3Broad Institute of MIT and Harvard, Cambridge, MA 02138, USA 4Division of Biology and Biological Engineering, California Institute of Techno...
In order to analyze qualitative observations, methods of quantification or optimal scaling have been proposed by Fisher, Guttman, and Hayashi. According to these methods, scores are assigned optimally in some objective and operational sense to the qualitative categories. The present paper mainly reviews Hayashi's four methods of quantification from the mathematical point of view. They are widel...
Humans occupy by far the most complex foraging niche of all mammals, built around sophisticated technology, and at the same time exhibit unusually large brains. To examine the evolutionary processes underlying these features, we investigated how manipulation complexity is related to brain size, cognitive test performance, terrestriality, and diet quality in a sample of 36 non-human primate spec...
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