Sentences with phrase «numbers of observations for»

9Because of the unbalanced nature of the data being analyzed (i.e., unequal numbers of observations for the different levels of the classification variables), the General Linear Models procedure in the Statistical Analysis System was used to perform the analyses.

It presents the mean, standard deviation, number of observations for each measure, and Wald - test results for gender differences.

Not exact matches

Among widely followed indicators, we can see some of this in the declining number of individual stocks achieving new 52 - week highs when the major market indices push higher, by the tendency for trading volume to become dull on advances and expand on declines (or what is a similar observation, the tendency for the market to make little progress on heavy up - volume and substantial downside progress on light down - volume), and in the recent explosion of insider selling.

But MacIntyre's observation also shows why, for non-emotivists, such surveys must always issue in a complete non sequitur: one does not abrogate the Ten Commandments by pointing to the number of murders in Detroit, or the divorce rate in Reno, or the decline in church attendance in Peoria.

A number of observations are called for at this juncture.

The number of phone interviews needed was based on a «best guess» estimation from previous observation and chart review looking for desired behaviors performed by residents.

Before the end of the year, concerned citizens will be able to monitor the streaming video footage for illegal crossers and even call a toll - free number to report their observations to local law enforcement officials.

Explaining Brain Facts The theory can account for a number of puzzling observations.

From observations of marked individuals, Hoogland recorded the number of sexual partners and reproductive success for females of all four species.

Bjornlie, for instance, collected specific data on the number of bison in one research area and on their distribution, movement and activity through direct observation in the field.

«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).

Zebrafish have emerged as an important vertebrate model for cardiovascular research for a number of reasons, including the ability to regenerate its heart if damaged, and because the transparency of the embryos allows easy observation of internal processes like blood vessel development.

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.

Others simply attributed the surprising results to sweeping statistical extrapolations being made from very small numbers of events, or to systematic weaknesses in the MOA survey's observations and analyses that the 2011 paper's authors had failed to account for.

Bismuth is a historically interesting element for scientists, as a number of important discoveries in the metal physics world were made while studying it, including important observations about the effect of magnetic fields on electrical conductivity.

Theory finds the justification for its existence in the fact that it correlates a large number of single observations, and it is just here that the «truth» of the theory lies.

For a given n (the number of observations) 10,000 simulations were run and the Chi - square goodness of fit test and regression coefficient (Genotype (Postn − / −)-RRB- was calculated for each simulated data sFor a given n (the number of observations) 10,000 simulations were run and the Chi - square goodness of fit test and regression coefficient (Genotype (Postn − / −)-RRB- was calculated for each simulated data sfor each simulated data set.

The number of planets discovered at 500 nm (black curve) that could also be detected at longer wavelengths (colored curves), as desired for spectroscopic observations, as a function of telescope aperture size and for two different assumed inner working angles.

To account for changes in observation times, the RSS group used a number of different approaches and models to try and estimate what the temperature would have been if the measurement time remained constant.

The new RSS v4 TLT record makes a number of changes to the time of observation correction, as well as corrections for the change in instruments that measure temperature from microwave sounding units (MSU) to advanced microwave sounding units (AMSU) sensors, which occurred around the year 2000.

The data returned from Kepler are unique in terms of the number of stars observed, precision of photometry for time series observations, and the temporal extent of high duty cycle observations.

Through meticulous observations over the span of 2.5 years, Martinez and collaborators were able to obtain a number of useful measurements for the system, including the pulsar's period (62 ms), the period of the binary (2.62 days), and the system's eccentricity (e = 0.17).

The initial discoverers may, for a number of reasons, be unable to obtain additional observations themselves.

Number one is that observations about our ancestors in hunter - gatherer diets show that approximate ratio in most folks: the 20 % carbs, 65 % fat, 15 % proteins granted there are some populations like the Katabans and the Pacific islanders and people like that who gets 60, 70, 80 % carbohydrate but most of them are handling that diet quite well because of their genetic propensity, increased activity of a lot of the enzymes responsible for digesting and assimilating carbohydrates probably better insulin sensitivity and pancreatic production of insulin as well but in most folks we see that this type of diet from just an observational standpoint and an ancestral standpoint works well.

For example, some require mandatory newborn observation in the nursery for 4 hours after birth, require all newborn baby care procedures to be performed in the nursery without the parents present, or limit the number of birth companions during the birFor example, some require mandatory newborn observation in the nursery for 4 hours after birth, require all newborn baby care procedures to be performed in the nursery without the parents present, or limit the number of birth companions during the birfor 4 hours after birth, require all newborn baby care procedures to be performed in the nursery without the parents present, or limit the number of birth companions during the birth.

I understand the «correlation does not prove causality» argument but I have to take certain supplements or eat certain foods based on a number of observations or otherwise our life is too short to wait for real medical proof.

For them, the number of test - score observations included in the analysis ranges from almost 7,800 in grade 5 to 3,000 in grade 8.

For a number of reasons — limited reliability, the potential for abuse, the recent evidence that teachers have effects on student earnings and college going which are largely not captured by test - based measures — it would not make sense to attach 100 percent of the weight to test - based measures (or any of the available measures, including classroom observations, for that matteFor a number of reasons — limited reliability, the potential for abuse, the recent evidence that teachers have effects on student earnings and college going which are largely not captured by test - based measures — it would not make sense to attach 100 percent of the weight to test - based measures (or any of the available measures, including classroom observations, for that mattefor abuse, the recent evidence that teachers have effects on student earnings and college going which are largely not captured by test - based measures — it would not make sense to attach 100 percent of the weight to test - based measures (or any of the available measures, including classroom observations, for that mattefor that matter).

The database includes information about each student's classroom teacher in a given year, which allows us to estimate how much the student learned in that year and to connect that information to such professional characteristics as teacher certification, acquisition of a master's degree, teacher experience, teacher test performance, and the specific school of education the teacher had attended within Florida, if the teacher had attended one of the eleven schools for which adequate numbers of teacher observations were available.

In sum, the use of teacher - collected video in classroom observations did seem to improve the classroom observation process along a number of dimensions: it boosted teachers» perception of fairness of classroom observations, reduced teacher defensiveness during post-observation conferences, led to greater self - perception of the need for behavior change and allowed administrators to time - shift observation duties to quieter times of the day or week.

But implementation has been uneven for a number of reasons, including inadequate training of supervisors, supervisors who lack content knowledge outside of their own subject, and the difficulty of finding time to do all the required observations.

If we limit the analysis to the 5th - grade applicants for whom we can compute value - added estimates, the number of student - year observations included immediately falls by about 85 percent.

While the number of observations is too small to yield statistically significant evidence that charters are helping the district schools, they offer no help for the claim that they are having a negative impact.

The regression analyses used to generate fitted values are weighted by the inverse of each observation's estimated variance to account for differences in the number of respondents from each state; unweighted regressions yield substantively similar results.

While this is desirable in principle, in practice it would have significantly reduced the number of observations available to use as fewer than half of the 4th graders, for example, reported the educational attainment of both parents.

There are a number of potential explanations for this finding, including a limited supply of effective teachers (it's rational to keep a mediocre teacher if the likely replacement will be no better), a lack of administrator ability to discern teacher quality (their observations are less predictive of value - added than those of outside observers), or a simple unwillingness to make the unpleasant decision of firing someone.

One is Kai - ming Cheng's observation in his chapter on the Shanghai system in which he describes how a certain number of slots in key schools in Shanghai are set aside for students from outside that schools» enrollment area who can choose that school if they wish.

For a number of reasons limited reliability, the potential for abuse, the recent evidence that teachers have effects on student earnings and college going which are largely not captured by test - based measures it would not make sense to attach 100 percent of the weight to test - based measures (or any of the available measures, including classroom observations, for that matteFor a number of reasons limited reliability, the potential for abuse, the recent evidence that teachers have effects on student earnings and college going which are largely not captured by test - based measures it would not make sense to attach 100 percent of the weight to test - based measures (or any of the available measures, including classroom observations, for that mattefor abuse, the recent evidence that teachers have effects on student earnings and college going which are largely not captured by test - based measures it would not make sense to attach 100 percent of the weight to test - based measures (or any of the available measures, including classroom observations, for that mattefor that matter).

This 3 - minute observation cycle resulted in a number of scans per lesson, providing an adequate sample for analysis.

Because turning observations about student reasoning into calculated instructional adjustments is often a difficult task, the Center for Educational Testing and Evaluation has made available a number of resources designed to aid teachers in providing immediate, descriptive feedback for redirecting student learning.

The state also simplified the rubric for classroom observations, reducing the number of points principals track in observations and cutting one rating level for teachers, creating four options from «ineffective,» to «highly effective.»

Children demonstrating readiness for kindergarten: Number of children who meet readiness milestones on the Kids Individual Development Survey (KIDS) as determined by teacher observations.

Macdonald (1999) in reviewing the literature on teacher attrition identified a number of sources of dissatisfaction for beginning teachers that included «student management, lesson planning, alienation, isolation, denigration of personal interests and dependence on outside opinion and observation» (p. 841).

For example, the committee tinkered with number of categories used to record classroom observation in the first year of the program.

And that's not the only difference, since the pilot will also require a change in the number of observations each year and will impose a strict process for evaluation conferences.

The results for the smart beta strategies yield a number of interesting observations, some of which are quite similar to our observations about factors.

Historically, the number of positive observations for each premium around the world increases as we increase the time horizon.

This observation is particularly true for low - endemic or newly colonized areas, where a low number of adults (false seronegatives) and / or a hight prevalence of Dirofilaria repens (false seropositives) are to be observed (Genchi et al., 1995).

While the new update (as of 2014) doesn't increase the number of animals required (just 6 must complete the 6 - month adult trial), it does require better documentation of control groups and test observations, improves requirements for puppy food trials, and implements tighter controls on statistics used to interpret results.