Sentences with phrase «of observational time»

Breakthrough Listen allotted tens of hours of observational time on the Green Bank Telescope to recording radio emissions from FRB 121102, and last August 26 detected 15 bursts over a relatively short period of five hours.

Not exact matches

Because observational studies look at groups of people and their behavior over time, it's hard to say for sure that other conflicting factors aren't influencing the outcomes they examine.

Of the reviewed studies, seven were randomized and 30 were observational (meaning participants» habits and health were tracked over a set period of timeOf the reviewed studies, seven were randomized and 30 were observational (meaning participants» habits and health were tracked over a set period of timeof time).

«The term can refer to theological accounts of the world as God's creation; or to philosophical reflection on the categories of space and time; or to observational and theoretical study of the structure and evolution of the physical universe; or, finally, to «world views»: unified imaginative perceptions of how the world seems and where we stand in it» (Tracy and Lash, vii).

In fact after many years at the helm of a world - class observational institute, Fr Coyne had been asking for some time that his superiors find a younger director.

The reason is that, unlike the rest of physics, we can not do experiments on the whole universe; also, the observational data obtained comes from such a very small part of the universe's history, rendering it difficult to extrapolate backward or forward in time with any certainty.

Although not directly comparable, our findings are in broad agreement with those from routine data in Scotland that have indicated a positive association between Baby Friendly accreditation, but not certification, and breastfeeding at 1 week of age.17 Our findings reinforce those of Coutinho and colleagues who reported that high exclusive breastfeeding rates achieved in Brazilian hospitals implementing staff training with the course content of the Baby Friendly Hospital Initiative were short - lived and not sustained at home unless implemented in combination with post-natal home visits.35 Similarly in Italy, training of staff with an adapted version of the Baby Friendly course content resulted in high breastfeeding rates at discharge, with a rapid decrease in the days after leaving hospital.36 In contrast, a cluster randomized trial in Belarus (PROBIT) found an association between an intervention modelled on the Baby Friendly Initiative with an increased duration of breastfeeding37 an association also reported from an observational study in Germany.38 Mothers in Belarus stay in hospital post-partum for 6 — 7 days, and in Germany for 5 days, with post-natal support likely to be particularly important in countries where mothers stay in the hospital for a shorter time, with early discharge likely to limit the influence of a hospital - based intervention.

Observational data suggest that fathers are important in the maternal decision on how to feed the infant and that mothers choose to bottle feed or breastfeed for a shorter time when the father is not supporting breastfeeding.16 — 19 Moreover, supporting the father during breastfeeding may help to improve the mother's satisfaction with breastfeeding, duration of breastfeeding, and adaptation of both parents to parenting.10, 20 — 23 Despite these data, the fathers are poorly informed about the advantages of breastfeeding24, 25 and may have many concerns that are poorly addressed and that can negatively influence initiation and duration rates of breastfeeding.

Effect of early infant feeding practices on infection - specific neonatal mortality: an investigation of the causal links with observational data from rural Ghana Karen M Edmond, Betty R Kirkwood, Seeba Amenga - Etego, Seth Owusu - Agyei, and Lisa S Hurt Beginning Breastfeeding From First Day of Life Reduces Infection Related Deaths in Newborns by 2.6 times.

Loeb and his Harvard colleague at the time, Argentine - born astrophysicist Matias Zaldarriaga, caught the interest of the observational community when they explained how 21 - centimeter cosmology could provide a more detailed picture of the universe than ever before.

«But Comet ISON was found when it was far from the sun, six times Earth's distance, so we've had a lot of time to do observational planning,» says Jian - Yang Li of the Planetary Science Institute in Tucson, Ariz..

Observed Climate Changes The many new or improved observational data sets that became available in time for the 2007 IPCC report allowed a more comprehensive assessment of changes than was possible in earlier reports.

Only one country had implemented standardized packaging at the time of this review, so evidence that tobacco use prevalence may have decreased following standardized packaging comes from one large observational study.

It's the first time we've possibly had a glimpse of this era of cosmic history,» says observational cosmologist H. Cynthia Chiang of the University of KwaZulu - Natal in Durban, South Africa, who was not involved in the research.

«The main factor here is whether or not we use personal force,» says Greene, who points to historical and observational data suggesting people have a reluctance to hurt each other, even in times of war.

Use of inhaled nitric oxide (iNO) among pediatric patients has increased since 2005 and, during a 10 - year time period, mortality rates dropped modestly as the therapeutic approach was applied to a broader range of health ailments, according to an observational analysis presented Feb. 26, 2018 during the 47th Critical Care Congress.

After accounting for guideline - level factors, the odds of a downgrade, reversal, or omission were more than 3 times greater for recommendations based on a single trial, observational data, consensus opinion, or standard of care than for recommendations based on multiple randomized trials.

Now scientists from the Technische Universität München (TUM), Stockholm University, Universidad Autónoma de Madrid, ICTP South American Institute for Fundamental Research, São Paulo and University of Amsterdam have obtained for the first time a direct observational proof of the presence of dark matter in the innermost part the Milky Way, including at the Earth's location and in our own «cosmic neighborhood».

This is an observational study relying on comparisons made over time in states expanding and not expanding Medicaid; as is the case with any observational study, the researchers are unable to definitively rule out other changes unrelated to the Medicaid expansions in either group of states that may influence the results.

The joint research team led by graduate student and JSPS fellow Takuma Izumi at the Graduate School of Science at the University of Tokyo revealed for the first time — with observational data collected by ALMA (Atacama Large Millimeter / submillimeter Array), in Chile, and other telescopes — that dense molecular gas disks occupying regions as large as a few light years at the centers of galaxies are supplying gas directly to the supermassive black holes.

The rationale for an observational approach is to avoid the morbidity of lymphadenectomy (specifically to avoid the possibility of lymphedema) for two subsets of patients who never manifest isolated recurrence in the lymph node basin: those who have no melanoma remaining in the nodal basin and those who experience distant treatment failure at or before the time of nodal recurrence.

The Keck Visiting Scholars Program aims to inspire and develop the next generation of scientists and instrumentalists by providing hands - on experience in observational astronomy, hardware, and software involving active instrument operations and real - time problem solving.

James O'Malley, PhD and former post-doc, Jaeun Choi, PhD recently had their paper «Estimating the causal effect of treatment in observational studies with survival time end points and unmeasured confounding» published in The Journal of the Royal Statistics Society; Applied Statistics.

By combining observational data from OGLE and Hubble, astronomers have been able to work out the nature of the star system, which is located around 8,000 light - years away, to great precision The star system consists of two red dwarfs orbiting one another only 7 million miles apart (as a comparison, this is only 14 times the Earth - moon distance).

This work is very meaningful since the possibility that a number of «stray black holes» are floating around a supermassive black hole at the Galactic center was indicated by the observational study for the first time.

«Every time a new observational paper about an FRB comes out there are a few new theory papers that rush in to describe it, which is kind of a fun place for the field to be because it's not often that observations jump so far ahead of theory in astronomy.»

The final list of members should contain only a very few nonmembers — either those that appear to agree with the group motion because of observational errors or those that happen to share the group's motion at the present time but are not related to the group historically.

We reviewed 10 observational studies, all of which showed some evidence that people who continue to smoke after a diagnosis of early stage lung cancer have an associated higher risk of recurrence, second primary tumour, or all cause mortality compared with those who stop smoking at that time.

Despite these observational challenges, astronomers have successfully spotted many thousands of such microlensing events as part of various comprehensive deep - sky surveys during the last couple decades which have monitored hundreds of millions of stars for many years at a time, like the MACHO Collaboration project, the Microlensing Observations in Astrophysics, or MOA, and the Optical Gravitational Lensing Experiment, or OGLE.

«Basically, we've devised a way to take all the observational data that are available and develop a prioritization scheme,» Barnes said Monday in a news release, «so that as we move into a time when there are hundreds of targets available, we might be able to say, «OK, that's the one we want to start with.

These observational results unveil, for the first time, the mechanism of the birth and growth of binary stars, which are ubiquitous throughout the universe.

The most accepted theory establishes that the orbits of these objects, which travel beyond Neptune, should be distributed randomly, and by an observational bias, their paths must fulfil a series of characteristics: have a semi-major axis with a value close to 150 AU (astronomical units or times the distance between the Earth and the Sun), an inclination of almost 0 ° and an argument or angle of perihelion (closest point of the orbit to our Sun) also close to 0 ° or 180 °.

SDSS observational data show that the number of quasars rose dramatically from a billion years after the Big Bang, but then peaking at around 2.5 billion years later and falling off sharply towards more recent times (SDSS press release).

Both studies were observational — meaning they tracked a certain group of people over time and relied on self - reported information — so the researchers were unable to form any conclusions about cause - and - effect.

That research brought a lot of attention to the subject and since that time, there has been more epidemiological studies and observational studies that have taken place to look at what's happening on a population level.

This was a cross-sectional study, meaning it was a type of observational study design where the outcome and the exposures in the study participants are measured at the same time.

Using data from an observational study, we used sinusoidal regression models to evaluate seasonal variation of nutrient intake, PA, and body weight as amplitude and phase (a time while the measure was at peak).

Lane, far from merely collecting, compiling, and sharing these videos, is, by the very framework of her observational editing, watching and experiencing them as if in real time, along with the viewer.

Jordan Peele, the mastermind of «Get Out,» a social thriller about American racism, became the first African American to earn producer, director and writer nominations for a single film; the academy nominated a female cinematographer, «Mudbound's» Rachel Morrison, for the first time in its 90 - year history; and Greta Gerwig became just the fifth woman recognized as a director, feted for her wry, observational coming - of - age story «Lady Bird.»

From James Coleman's early observational studies of high schools to the experimental voucher evaluations of the past 15 years, researchers have routinely found that similar students do at least as well and, at times, better academically in private schools than in public schools.

Pupils will learn how to layer and blend colouring pencil effectively and there are also a range of fun, timed observational drawing tasks to develop pupils drawing skills.

Accordingly, this report was widely publicized given the assumed improbability that only 1 % of America's public school teachers were, in fact, ineffectual, and given the fact that such ineffective teachers apparently existed but were not being identified using standard teacher evaluation / observational systems in use at the time.

Working collaboratively, the group spends time studying the topic, planning a research lesson, collecting observational data during implementation of a research lesson, and discussing what they learned through the research lesson with a focus on the effect of the instructional approach on students.

Rather, the evidence trail is already quite saturated in many respects, as study after study continues to evidence the same things (e.g., inconsistencies in teacher - level ratings over time, mediocre correlations between VAM and observational output, all of which matter most if high - stakes decisions are to be tied to value - added output).

Over time, we worked to develop an observational tool, the Mathematical Quality of Instruction (MQI), that would capture these and other dimensions of mathematics classrooms; then we trained several dozen teachers and former teachers to score those videotaped lessons using the observational tool.

This is particularly important as illustrated in the prior post (Footnote 8 of the full piece to be exact), because «Teacher effectiveness ratings were based on, in order of importance by the proportion of weight assigned to each indicator [including first and foremost]: (1) scores derived via [this] district - created and purportedly «rigorous» (Dee & Wyckoff, 2013, p. 5) yet invalid (i.e., not having been validated) observational instrument with which teachers are observed five times per year by different folks, but about which no psychometric data were made available (e.g., Kappa statistics to test for inter-rater consistencies among scores).»

With observational, video, and log data, we examine not only the content focus of instructional tasks but also the number of tasks per lesson, the average time per task, the specific kinds and levels of cognitive demands elicited by each task, and the inter-relatedness of instructional tasks.

And, according to a Stanford University observational study, «Principal's Time Use and School Effectiveness,» «principals, on average, spent only a little over 10 percent of their day on instruction - related tasks.»

I spent about five years living in China (on and off) between 2007 and 2014, and this observational method of research was ongoing throughout that time.

That is why in order to write an excellent observational essay you have to possess a lot of time for writing, as any observational essay demands too much time to be spent.