Sentences with phrase «average estimated impact»

Hanushek writes that the NRC's average estimated impact of test - based accountability at 0.08 of standard deviations of student achievement «may well be too low.»

The committee report tells us that the average estimated impact of these interventions is 0.08 standard deviations of student achievement.

Not exact matches

• volume effect: the impact of changes in volumes is estimated by comparing the quantities delivered in the period under review with the quantities delivered in the prior period, multiplied, in both cases, by the weighted average net unit selling price in the prior period

• price effect: the impact of changes in average selling prices is estimated by comparing the weighted average net unit selling price of a range of related products in the period under review with their weighted average net unit selling price in the prior period, multiplied, in both cases, by the volumes sold in the period under review.

«Our illustrative estimate of the long term impact of reduced net migration from the EU27 on UK GDP per capita after Brexit is negative, but relatively small compared to many other uncertainties about average UK income levels in 2030,» said Hawksworth.

Your decisions around Social Security can make a big impact on your retirement — especially considering that Social Security Administration estimates say it makes up about 40 % of the average 65 - year - old's retirement income today.

While the 21 - year - old is averaging a career - best 37.3 percent on three - pointers, he ranks dead last among 99 point guards who have enough minutes to qualify for ESPN's Real Plus - Minus, a stat that tracks a player's estimated on - court impact.

With Arctic temperatures warming twice as fast as the global average, scientists estimate thawing permafrost could release large amounts of carbon into the atmosphere through the end of the century with significant climate impacts.

These scores were then compared to a world average for papers in the same field to yield an estimate of their «relative impact.»

The study, published in the June 30 edition of the journal Environmental Research Letters, was based on an average global temperature increase of 1.8 degrees Fahrenheit, which is considered a relatively conservative estimate and the limit needed to avert catastrophic impacts.

Workplace incivility is estimated to have doubled over the past two decades, they write in the Journal of Applied Psychology, and has an average annual impact on companies of $ 14,000 per employee due to loss of production and work time.

It is estimated that reducing the average amount of sodium people eat to the current recommended level could result in 11 million fewer cases of high blood pressure each year, which might have a significant impact on a number of related health risks.

To estimate the impact of knowledge capital on GDP, Hanusek et al. compare the rate of GDP growth from 1970 to 2010 with the average knowledge capital of a state's workers.

(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.)

When examined in this light, the impacts of NCLB — which the NRC estimates at a 0.08 standard deviation improvement in average achievement nationwide — are far greater than suggested by the NRC committee, which concludes that test - based accountability under NCLB had minimal impact and probably should be abandoned.

If conversion schools were better - than - average traditional public schools to begin with, they may be distorting the estimated impact of charters on educational attainment.

And nationally, the economic impact is clear: A 2011 analysis by the Alliance for Excellent Education estimates that by halving the 2010 national dropout rate, for example (an estimated 1.3 million students that year), «new» graduates would likely earn a collective $ 7.6 billion more in an average year than they would without a high school diploma.

Our own study (the largest rigorous study of KIPP) estimated that over three years KIPP middle schools have an average cumulative impact of 0.21 standard deviations in reading and 0.36 standard deviations in math, roughly equivalent to an additional eight to 11 months of learning.

Assuming the lower - bound estimate of teachers» impact, U.S achievement could reach that in Canada and Finland if we replaced with average teachers the least effective 8 to 12 percent of teachers, respectively.

Assuming the upper - bound estimate of teachers» impact, U.S achievement could reach that in Canada and Finland if we replaced with average teachers the least effective 5 to 7 percent of teachers, respectively.

In this podcast, Rick Hanushek talks with Ed Next's Paul Peterson about his new study estimating the economic impact of teachers who produce higher than average gains in student learning.

However, other independent analyses have, based on a range of assumptions, methodologies and data sources, attempted to estimate the impact of the INDCs on temperature leading to a range of average estimates below, at or above 3 degrees C. Importantly all deliver more or less similar emission levels in 2025 and 2030 and all confirm that the INDCs, if fully implemented, are an important advance on previous scenarios.

The estimated average annual impact on reading performance of for - profit management relative to district management is a positive 10 percent of a standard deviation, approximately 36 percent of a year's worth of reading.

Although RAND attempted a variety of analytical methods, its general approach was to estimate the impact of family background and measures of school resources on average student performance on as many of these tests as were administered in a given state.

First, there's the financial impact of turnover — the estimated average cost to replace each teacher who leaves an urban school district is more than $ 20,000.

[18] Many studies [19] have calculated high correlations (mostly greater than 0.9) between estimates from models that control only for prior student test scores (such as SAS EVAAS), [20] control for student background (such as DC's IMPACT), and control for average classroom characteristics (such as Pittsburgh's system).

For example, the «Feedback» strand in the Teaching and Learning Toolkit shows that improving the quality of feedback provided to pupils has had an average attainment impact of +8 months estimated from research studies.

According to the project's environmental impact statement, the projected transportation improvements will connect suburban communities and major roadways and address transportation demand, which currently exceeds capacity, combining to result in an estimated average travel time savings of approximately 25 minutes per trip (totaling 10,300 hours a day).

According to a fascinating report from the Cleantech Group, called The Environmental Impact of Amazon's (s AMZN) Kindle, one e-Book device on average can displace the buying of about 22.5 physical books per year, and thus deliver an estimated savings of 168 kg of CO2 per year.

All this means the tanda is almost universally trusted — and it ends up having a huge impact — While the average American saves only five percent of their income yearly, immigrants send an estimated 11.5 percent of their dollars back to their home countries, not to mention what they're putting aside here in the U.S.

-- I'm now happy to include the full impact, which will peg my average NAV estimate at EUR 9.82 per share.

The Bond Fund Interest Rate Sensitivity Illustrator also allows you to hypothetically add or remove funds from your portfolio to see the estimated impact on the portfolio's Weighted Average Duration and value within the 1 % rate change limit.

and barley (Hordeum vulgare L.) in field trialsconducted in eastern Canada are explored and then used to estimate potential impacts of climate change scenarios on anticipated average yields and total production of these commodities for the Atlantic region for the 2040 to 2069 period.

Estimates show an annual investment of $ 45 billion is needed to meet universal electrification, but the latest data shows that finance commitments for electricity in these 20 «high - impact» countries that represent 80 percent of those without electricity access is less than half that number, averaging just $ 19.4 billion a year.

The IEA estimates that in this scenario there is only a 6 per cent chance of keeping temperature rises to an average 2C (the level at which scientists say offer an even bet at limiting the impact of climate change).

The first quantitative estimate of possible CC [climate change] impacts on water resources in 2020 points to the fact that there would be an average and general decrease in water resources (in the order of 10 to 15 %...).

In any case, the impact estimates that I presented in my previous post were based on the worst case (A1FI) scenario which, according to the HadCM3 model, would increase CO2 concentrations to 810 ppm in 2085 and 970 ppm in 2100, and cause a 4 °C increase in average global temperatures between 1990 and 2085.

Sensitivity equals dT / dF is only valid for an absolute temperature and absolute forcing over a small range of change and since the current «state of the artistry» «surface temperature average» requires using anomaly from very cold locations with very little energy per degree of anomaly, what «surface» is averaged impacts the estimate of «sensitivity».

You have to consider those to estimate partial impacts like variations in sea ice, fast ice and average surface wind velocities.

On this basis (and with some model - derived feedback estimates based on theoretical considerations plus some model - based assumptions on increase of human GHGs over time) IPCC has projected future changes in global average temperature and resulting impacts on our environment.

• Poles to tropics temperature gradient, average temp of tropics over past 540 Ma; and arguably warming may be net - beneficial overall • Quotes from IPCC AR4 WG1 showing that warming would be beneficial for life, not damaging • Quotes from IPCC AR5 WG3 stating (in effect) that the damage functions used for estimating damages are not supported by evidence • Richard Tol's breakdown of economic impacts of GW by sector • Economic damages of climate change — about the IAMs • McKitrick — Social Cost of Carbon much lower than commonly stated • Bias on impacts of GHG emissions — Figure 1 is a chart showing 15 recent estimates of SCC — Lewis and Curry, 2015, has the lowest uncertainty range.

The effect may be small compared to an over estimated «average» radiant impact, but 0.8 % is significant compared to 1 %, which is about the «negative» latent feed back at the «true» surface.

It is worth noting that the average impact estimates for the baseline period are quantitatively in agreement with reported figures at European level (see Alfieri et al. 2015b), thus supporting the suitability of the impact model and the underlying datasets for future climate projections.

The World Meteorological Organization (WMO) released its provisional Statement on the State of the Climate this week, estimating that 2017 is likely to be one of the warmest years for global average surface temperature, with many high - impact events including catastrophic hurricanes, floods, heatwaves and droughts.

While DECC predict that climate change and energy policies will cause gas prices to go up by 18 % and electricity prices by 33 % by 2020, they estimate (as of July 2010) that because of reductions in energy use «compared to the counterfactual scenario in which climate change and energy policies do not have an impact on energy bills, on average, domestic energy bills will be 1 % higher in 2020.»

«Based on all above findings and our compilation (Figure 4.4, Table 4.1 ″) we estimate that on average 20 % to 30 % of species assessed are likely to be at increasingly high risk of extinction from climate change impacts possibly within this century as global mean temperatures exceed 2 °C to 3 °C relative to pre-industrial levels (this chapter).

Magnitudes of impact can now be estimated more systematically for a range of possible increases in global average temperature.

[47] The wage for health care providers and hospitals is estimated at $ 47.28, a weighted average of various health care professionals based on CPS data; the wage for health plans is estimated to be $ 33.82, based on average wages in the insurance industry (note that all wage assumptions in this impact analysis assume a 39 percent load for benefits, the standard Bureau of Labor Statistics assumption).

A recently released study commissioned by NAR titled, «Impact of Tax Reform Options on Owner - Occupied Housing,» estimated taxes would rise on average by $ 815 each year for homeowners with adjusted gross incomes between $ 50,000 and $ 200,000.