Sentences with phrase «number of observations with»

With regard to the sample size required for valid application of this modeling approach, we are hesitant to speak of sufficient sample sizes, since a large number of observations with little score variation over time (as in our second empirical application) does not necessarily provide richer information than a smaller sample with more fluctuations.

Not exact matches

Considering this, coupled with my observation that the number of personal cars has significantly increased since my last visit to Beijing in 2007, I am wary of the efficacy of emission control at the consumer level.
Not only does characterization involve a great deal of interview and observation, it also concludes with a number of attempts at narrative interpretation.
My first observation is that you fumed over a particular distinction that the articles supposedly did not acknowledge, but the fact is the distinction is acknowledged right here and over 17 other places I counted and numbered with pen on my printed pages of the article.
I also agree with Phils observation regarding the number of games he has played in the first team without setting the world alight.
While one would generally agree with the benefits of breastfeeding children and other observations made in the write up, the challenge is how to make arrangements that this Godly fluid is available to maximum number of children.
ClickZ's Kate Kaye provides the latest installment, beginning with her own observations about what mattered in digital politics in the past year and moving on to extended quotes from a number of online politics observers (including e.politics and plenty of friends in the field).
But there are a number of problems with these observations as a way of looking at the results of this year's local elections.
Paula Stephan, a labor economist at Georgia State University in Atlanta and a member of the next generation committee, has described these arrangements and their effects in exacting detail in her book, How Economics Shapes Science, and a number of the previous reports and studies concur with her observations.
A large number of additional observations are broadly consistent with the observed warming and reflect a flow of heat from the atmosphere into other components of the climate system.
The reports also identifies other challenges that impact sustained observations, such as the declining investment in new technological development, increasing difficulty in retaining and replenishing the human resources associated with sustained ocean observing, and a decreasing number of global and ocean - class research vessels.
George lists a number of observations purportedly supporting multiverse theories that are dubious at best, like evidence that certain constants of nature aren't really constant, evidence in the cosmic microwave background radiation of collisions with other universes or strangely connected space, etc..
«We have succeeded in discovering a number of protoclusters in the distant Universe for the first time and have witnessed the diversity of the quasar environments thanks to our wide - and - deep observations with HSC,» says the team's leader Nobunari Kashikawa (NAOJ).
The observations do fit with evidence from a number of studies that have shown that parents» body weight has long - lasting effects on offspring.
Thus, TOFs, as time derivatives of turnover numbers with time intervals significantly shorter than the observation time, are useful for describing the catalytic efficiency as a function of time.
«These studies, combined with other Hubble observations, are showing us that there are a surprisingly large number of systems for which the signal of water is either attenuated or completely absent,» said Heather Knutson of the California Institute of Technology, a co-author on Deming's paper.
Doing so would sacrifice a number of exciting observations during the closest part of the flyby, but Stern strikes a Solomonic tone: «If you're presented with a choice between a degraded science encounter that would still blow our door off, and complete loss of mission, utter failure — which would you take?»
This observation coincides with the theory of neuronal recycling, developed by Stanislas Dehaene, and which stipulates that advanced cultural cognitive processes, such as mathematics, recycle ancient evolutionary brain functions, such as a sense of number, space and time.
In academic research we are a «significant player in the European Space Agency science programme,» with a key role in a large number of areas, including earth observation, planetary exploration, and studies of the sun.
There are some caveats with their study: The global climate models (GCMs) do not reproduce the 1930 - 1940 Arctic warm event very well, and the geographical differences in a limited number of grid - boxes in the observations and the GCMs may have been erased through taking the average value over the 90 - degree sectors.
Number of candidates found by the detection program, candidates in the observational follow - up program and candidates with solved follow - up observations.
Using the high angular resolution of the Keck II telescope, combined with a large number of photometric observations taken since 1957, the team built a refined shape hoping to get a clue to the origin of the system.
My favorite tidbit of this paper was the observation that 75 % of de novo mutations come from the father, whose age was correlated not just with the number of de novo mutations, but also their location relative to late - replicating regions of the genome.
The candidate will have the opportunity to collaborate with a number of Earth observation groups around Europe and especially with University of Stirling.
The observation in the placebo group that the rate of atrophy was related to the baseline concentration of tHcy is consistent with, and may explain, a number of cross-sectional studies reporting that regional brain atrophy is related to tHcy [17], [18], [19], [20], [21].
In contrast to this observational approach, Schmittner (as well as a number of other papers, like reference # 4 in this post) take advantage of both models and observations, and try to use the observations to constrain which feedback parameters in the model are consistent (e.g., an overly sensitive model with the same forcings as another model will produce too big of a temperature change than observations allow).
With the ALMA observations the team successfully measured the number density of galaxies approximately 10 times darker than the millimeter wave research results up to now.
Abstract: Photometric observations made by the NASA Kepler Mission have led to a dramatic increase in the number of main - sequence and subgiant stars with detected solar - like oscillations.
While we track CMEs with a number of instruments, the sheer size of the solar system means that our observations are limited, and usually taken from a distance.
Our conclusion that LFA1 and ICAM1 function during innate - like lymphocyte movement from the SCS into the LN parenchyma is based on four sets of observations in mice treated with αL blocking antibody: (1) innate - like lymphocytes transiently accumulate in the SCS; (2) the accumulated cells exhibit an unusual elongated morphology (suggesting a less adhesive state); (3) tracking analysis shows reduced numbers of cells migrating from the SCS into the parenchyma; (4) the cells are more sensitive to dislodgement by CD169 blocking antibody.
Suddenly, veteran scouts, with their unempirical observations, were cast aside in favor of Ivy League number - crunchers, and the longstanding value of sacrifice bunts and stolen bases gave way to the cult of on - base percentage and walks.
There are a whole host of issues associated with observations (e.g., the number of times a tenured or untenured teacher must be observed per year, who can do the observing, which rubrics are allowed).
Looking at general trends across a large number of youth leads to three observations that must be viewed with great caution:
(Almost all the African - American students came from schools with average test scores below the district mean; the few that did not had almost identical average impacts, but the number of available observations was too small to recover precise estimates.)
In general, survey results based on larger numbers of observations are more precise, that is, less prone to sampling variance than those made across groups with fewer numbers of observations.
Our own work with virtual schools has led us to a number of observations about their current practice that we believe can guide policymakers.
In general, survey responses based on larger numbers of observations are more precise, that is, less prone to sampling variance, than those made across groups with fewer numbers of observations.
One of my observations, as I enter discussions with educators in various parts of the country, is that many educators bring up problems within their own districts that were discussed in detail and often resolved in many other districts a number of years ago.
Given Project STAR's limited number of Hispanic, Asian, and Native American participants, I edited these data to include only those observations from black and white non-Hispanic students with black and white non-Hispanic teachers.
«With the amount of observations that you have to do as a high school principal, I just don't have the administrative support, in terms of the number of administrators.
Rating with three levels: 3 - High - high in maintaining engagement; most students engaged (in most comments in observations) 2 - Average - Average in maintaining engagement; some comments indicated high engagement and others indicated a number of students off - task 1 - Low - Low in maintaining engagement; many comments indicated many students often off - task
Two surveys were distributed in conjunction with a number of personal interviews and nonparticipant observations of middle school teachers in a Florida county.
«The state's report said there have been 180,000 additional observations, but in order to do that right, there also has to be the right number of conferences with teachers and the necessary feedback.
Through a project called Algebra by Design, funded by Lucent Technologies, we are working with teachers in grades 5 - 12 in the Syracuse City School District to (a) increase significantly the number of students who are successful in learning the core ideas of algebra, (b) increase the depth of algebraic understanding of all students and enhance their problem - solving skills in mathematically challenging design projects and activities, (c) provide teachers with experience and collaborative support in the use of Standards - based curricula, design projects, and current and emerging technologies, and (d) prepare new teachers in partnership with practicing teachers through observations, field placements, and semester - long internships.
Logan told principals in an email on Thursday that he had «forged an agreement» with Chancellor Carmen Fariña to reduce the number of classroom observations that principals and assistant principals have to conduct this year.
A number of states and districts have devised multiple - measures approaches to teacher evaluation that combine classroom observations with a basket of evidence about student learning, as well as evidence about professional contributions.
For example, the committee tinkered with number of categories used to record classroom observation in the first year of the program.
[19] School systems should also list the factors that should change with a new evaluation system, such as the number of classroom observations performed or the alignment between the type of professional development chosen and teachers» needs.
Naturally, sample size is crucial because skill only surfaces with a large number of observations.
It and the corticosteroids have the largest number of proponents, but it has been my observation that most dogs with panosteitis do not respond to these anymore than they do to anything else.
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