Sentences with phrase «of hypothesizing models»

rhhardin Uncertainty evaluation is at the core of the scientific method of hypothesizing models and comparing them against data.
The RCFI ranges from 0 to 1 and reflects the improvement in fit of a hypothesized model over a model of complete independence among the measured variables.

Not exact matches

Based on animal models, including a primate model, it is hypothesized that the cells remain unharmed in the digestive tract of the infant then enter the bloodstream, migrate to different organs, and there provide active immunity.54
The model led them to hypothesize that a daily three - hour dose would enable the bacteria to predict delivery of the drug, and go dormant for that period in order to survive.
This enabled them to hypothesize specific paths — this type of modeling is also called path analysis — and create a more powerful model.
Researchers, led by Joshua Mayourian at the Icahn School of Medicine at Mount Sinai, used mathematical modeling to simulate electrical interactions between these stem cells and heart cells to develop insight into possible adverse effects, as well as to hypothesize new methods for reducing some potential risks of this therapy.
In an effort to fill in the blanks of the Standard Model of particle physics, science has been conducting a diligent search for a hypothesized particle known as the «sterile neutrino.»
«Right now,» Wells said,» we're hypothesizing that the mechanical interactions modeled by the Shenoy lab explain aspects of cancer and fibrosis, and we're developing the experimental systems to confirm it with real cells.»
Specifically, the researchers tested a hypothesized model which confirmed that both the functioning of the family and the health of the survivor contributed to the caregiver's sense of competence.
To confirm their suspicions, they built a computer model of the hypothesized clathrates from bipyramids and compared it to the Northwestern micrographs.
In the Cell Reports study, the authors hypothesized that if they could decrease expression of this subunit, they could improve cognitive function of AS model mice.
Because PD - L1 / programmed cell death (PD - 1) deficiency accelerates development of diabetes in mouse models, Nasr et al. hypothesized that a defect in the PD - L1 / PD - 1 pathway may underpin the hyperglycemia observed in the nonobese diabetic (NOD) mouse model.
«We hypothesized that this might explain why laboratory mice, while paramount for understanding basic biological phenomena, are limited in their predictive utility for modeling complex diseases of humans and other free - living mammals,» said Rosshart.
Consulting the model, the researchers hypothesized that the overall cell cycle's lack of variation was the result of a built - in negative feedback mechanism.
Translating the hypothesis to a numerical model forces you to confront the ambiguities; along the way there are many points where you might reject the hypothesis because of a discovery from first principles (violation of conservation laws, dimensional inconsistency, qualitative failure to replicate the hypothesized behavior mode, absurd behavior in extremes, etc.).
When Revive & Restore started working on Passenger Pigeon de-extinction four years ago, we hypothesized that the passenger pigeon could be a model species to develop the science of de-extinction.
Based on these findings, we hypothesize that WNIN / Gr - Ob rats with their inherent phenotypic features such as obesity, IR and IGT vis - a-vis pre-inflammatory milieu in situ, would form the feasible model system to portray for the pathophysiology of AP induced by L - arginine.
«We present the first model for the development of ziphodont teeth in theropods through histological, SEM, and SR - FTIR analyses, revealing that structures previously hypothesized to prevent tooth breakage instead first evolved to shape and maintain the characteristic denticles through the life of the tooth,» they wrote in the paper.
Here, we hypothesized that cyanidin 3 - glucoside (C3G), a typical anthocyanin reported to possess potent anti-inflammatory properties, would ameliorate obesity - associated inflammation and metabolic disorders, such as insulin resistance and hepatic steatosis in mouse models of diabesity.
While strictly following or mimicking such a lesson structure can be problematic, it was hypothesized that such a model could be adopted, with the use of the interactive qualities of the Internet and instructional scaffolding, to provide needed guideposts for students while also encouraging constructivism.
On the basis of the data analysis, the Greylock data team hypothesized that its school's current inclusion model contributed to the low math scores for both regular and special education students.
To mention a few, Lisa Bartolozzi's essay on painting techniques shows how incessantly experimental painting has always been; Vincent Desiderio looks deeply into figurative painting's» technical narrative»; Alexi Worth's hypothesizes «the invention of clumsiness» after photography hit the 19th c. painting world; Donald Kuspit describes some of the impact Freud had on the figure; Kurt Kauper explains kitsch and Jule Heffernan «the male gaze»; Laurie Hogin examines the politics of figurative painting; and John Jacobsmeyer and Nicola Verlato each discuss the meanings of spatial organization via perspective, the camera obscura, 3 - D modeling, and cyberspace.
This is hypothesized to result from fresh water input into the Northern Hemisphere (although it is worth noting that the transient simulations of this sort fix the magnitude of the freshwater perturbation, so this doesn't necessarily mean that the model has the correct sensitivity to freshwater input).
Just because the current consensus of coupled GCM model studies and other process studies strongly suggest an anthropogenic cause for the current (1989 - centered) climate trend, can not and should not bully the objective science of defining observed climate trends, into hypothesizing and projecting the 1989 - centered climate forward in time even one year.
Instead of involving a choice of whether to keep or discard an observation based upon a prior expectation, we hypothesize that this selection bias involves the «survival» of climate models from generation to generation, based upon their warming rate.
I suspect that many, although perhaps not all, of the climate models are idiot - savant models, tuned to fit a hypothesized pattern that tells a particular story on past data, but rather lacking predictive skill.
The continuing abysmal failure of climate models is likely associated with the lack of the mythical, hypothesized hotspot.
Why isn't a TCR type of simulation, but instead using actual history and 200 year projected GHG levels in the atmosphere, that would produce results similar to a TCR simulation (at least for the AGW temp increase that would occur when the CO2 level is doubled) and would result in much less uncertainty than ECS (as assessed by climate model dispersions), a more appropriate metric for a 300 year forecast, since it takes the climate more than 1000 years to equilibrate to the hypothesized ECS value, and we have only uncertain methods to check the computed ECS value with actual physical data?
The «pause», should it continue, will discredit every model that did not predict it, including every model that included a strong functional relationship with CO2 without strong residual («natural») processes of hypothesized influences (the gravitational thingies of Scafetta, for example), or processes of unknown causation.
It may not be immediately obvious how to test these hypotheses, so computer models can take these hypothesized formulas and generate predicted values of measurable variables that can then be used to compare to actual physical observations.
Translating the hypothesis to a numerical model forces you to confront the ambiguities; along the way there are many points where you might reject the hypothesis because of a discovery from first principles (violation of conservation laws, dimensional inconsistency, qualitative failure to replicate the hypothesized behavior mode, absurd behavior in extremes, etc.).
The results suggest quantitative evidence of the influence of funding in the climate change debate that had previously been hypothesized, and suggests an analytical model for integrating texts with the social networks that created them, according to the author.
I'm not sure the current model is as broken as Mr K says it is, but to hypothesize along with him for a moment, I have a couple of questions:
Doi first hypothesized that the model was looking at the color and shape of the bowl or table in the photo, but this was disproven as the model was able to identify specific ramen shops even from photos with the same bowl and table design.
The original purpose of the mold in the images is not clear, but 9to5Mac hypothesizes it could be a dummy model that case designers use to test and refine case designs.
Conceptual Model Testing Multiple Mediators of the Hypothesized Association Between Income - to - Needs Ratio and Variation in Brain Volume
There is modest evidence that FCMH models are associated with improved quality of health care in pediatrics, including children with a medical home having fewer unmet health care needs and increased likelihood of receiving preventive care.13 — 17 Evidence exists for potential cost savings associated with the growth of the medical home model.18 It is hypothesized that an expanded medical home model will further decrease health disparities.19 Ongoing multisite FCMH demonstration projects aim to provide additional evidence regarding the effectiveness of the FCMH model of care.20
The social development model hypothesizes that the interplay of specific factors during development influences the degree to which children develop strong social bonds to school.
In this respect, they distinguish, among others, absolute fit indices which compare the hypothesized model with no model at all, comparative or incremental indices of fit which use a baseline model for assessing model fit, and parsimony fit indices which penalize for model complexity (Byrne, 2016).
To explain this interrelation we hypothesized the same mechanisms indicated in Borkovec» model (2004) and Alloy and colleagues (2000), which states that ruminative worrying is a form of emotional avoidance that plays a role in the maintenance of anxiety in generalized anxiety disorder (GAD) and mood disorders.
This omnibus model has the advantage of detecting an overall trend in all of the voxels hypothesized to become active in response to the threat cues we presented.
Attachment patterns are hypothesized to persist across the life span through the reinforcing properties of internal working models (Bowlby 1973; Main, Kaplan, and Cassidy 1985).
Despite lack of a sound theory for outlining the relationships between character strengths, stress, and psychological symptoms, potential relationships can be hypothesized through the «personality - stress - health» model devised by Kinder (2005).
Although that model still had several large modification indices of around 20, none made conceptual sense and adding the largest made the model more difficult to interpret so we stopped considering additional changes to the hypothesized model.
To put the effect sizes for the hypothesized associations on wave 6 reckless driving into perspective, we re-ran the final model using logistic regressions (for the connections between the wave 6 indicators and the wave 6 latent variables) to obtain odds ratios (OR) for the indirect effects of wave 1 predictors on the individual wave 6 reckless driving items.
Second, we assumed that social support would have moderating effect in the relationship between family functioning and self - esteem in the students with grandparenting experience; Third, from a perspective of moderation model, we hypothesized that in the relationship between family function and self - esteem it would show a significant difference between persons with high social support and low social support.
To examine the associations of neighborhood quality and parenting with delinquency, we specified models with SES and these hypothesized mediators as predictors.
Results based on a sample of 357 mothers in their 30's and 40's with their first child in 4th through 9th grade, indicated that the hypothesized theoretical model had the best model fit.
First, we ran the hypothesized model (χ2 = 133.01, df = 108, p =.05, root mean square error of approximation [RMSEA] =.09, confirmatory fit index [CFI] =.91, Tucker — Lewis Index [TLI] =.91) and determined whether all predicted paths were significant.
As mentioned before, Suls et al. (1998) found a positive relationship between neuroticism and the general inertia parameter \ (\ phi \) of the AR model, but now we hypothesized an underlying pattern where more neurotic individuals have weaker affect regulation only or especially for increased negative affect.
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