Sentences with phrase «standard deviations on»

The Monte Carlo simulation presents results in the form of standard deviations on a bell curve.
The impact of each intervention component is shown in terms of standard deviations on the horizontal axis.
In a 1984 paper, Benjamin Bloom reckoned that one - on - one tutorial instruction had an impact of two standard deviations on student achievement, but this claim is meaningless unless the sensitivity to instruction of the measure of achievement is specified.
An improvement of two standard deviations on TIMSS over a year would, in effect, represent an additional six years of learning per year, equivalent to multiplying the speed of learning by seven.
Although Gaetz's bill does not include fiscal expenditures, as noted in the main text (§ IV, supra), in reviewing the start time / academic achievement studies undertaken by fellow economists, Columbia University Assistant Professor of Finance and Economics Jonah Rockoff and the Walter H. Annenberg Professor of Education Policy, Professor of Economics, and Professor of Education at the University of Michigan, Brian Jacob, concluded that delaying middle and high school start times «from roughly 8 a.m. to 9 a.m. -LSB-,]» will increase academic achievement by 0.175 standard deviations on average, with effects for disadvantaged students roughly twice as large as advantaged students, at little or no cost to schools; i.e., a 9 to 1 benefits to costs ratio when utilizing single - tier busing, the most expensive transportation method available.
These numbers should not even be reported, much less emphasized as policy relevant / significant, unless perhaps equivalent to at least 0.25 standard deviations on the test (as a quasi - standard / accepted minimum).
Perhaps more importantly, a nearly identical effect is seen on the math portion of the ACT (taken in the spring of 11th grade), with double - dose algebra raising scores by 0.15 standard deviations on an exam used by many colleges as part of the admissions process.
Despite the lack of sensory information, we found that animals were remarkably precise and consistent in timed behaviors, with standard deviations on the order of 100 ms. To examine the potential neural basis of this precision, we recorded from single neurons in the lateral intraparietal area (LIP), which has been implicated in the planning and execution of eye movements.
The Monte Carlo simulation presents results in the form of standard deviations on a bell curve.
Now our statistical books tell us that one standard deviation on either side of the mean includes 68.26 % of the population, two standard deviations include 95.46 %, three include 99.73 %, four include 99.99366 %... Now, 700cc is very nearly 4 standard deviations away from the Bushmen's mean of 1159.
We see pretty dramatic returns to experience on the order of 15 - 20 percent of a standard deviation on test scores over the first five years.
On most measures of student performance, student growth is typically about 1 full standard deviation on standardized tests between 4th and 8th grade, or about 25 percent of a standard deviation from one grade to the next.
Teachers aren't trained to teach that once - in - a-blue-moon student; they're taught to accommodate the two - thirds of us who have IQs that fall between 85 and 115, or one standard deviation on either side of 100, the norm.
The results are consistent with other studies that show a substantial return (up to 50 percent of a standard deviation on standardized achievement tests) to achievement from observed classroom quality, with greater effects often accruing to children with higher levels of risk and disadvantage.
Adjusting for that possibility yields an adverse impact of nonprofit management of 18 percent of a standard deviation on math performance and 14 percent on reading scores.
Looking at the table, consider again two teachers who differ by one standard deviation on value - added in the initial year.
Dear Rangarao, 1 — The standard deviation on this fund is pretty high now.
Assuming a normal statistical distribution, this should be the experience for almost 70 % of the population, those grouped within the first standard deviation on either side of an average result.
As a bonus these will also work on the Nintendo Switch and a number of other non-Android devices that support the USB Type - C standard, although it's stated that it won't quickly charge these devices as the original manufacturer's cable will because of some standards deviation on those products.
That means that a solid majority of people have IQs between 85 and 115 — that is, within one standard deviation on either side of 100.
Intervention teachers also reported that a greater percentage (55 percent) of children in their classes improved at least one standard deviation on at least one measure of child disruptive behavior, compared with control children (30 percent).
Parents did not report a significant improvement in overall child disruptive behavior compared with the control group, but the researchers found that a significantly greater percentage of parents in the intervention group (64 percent) reported that their child improved at least one standard deviation on at least one measure of child disruptive behavior, compared with the control group (33 percent).

Not exact matches

Technically, we calculated z - scores for each state on each measure, which rescales each variable based on its average and standard deviation.
The gap between the earnings yield on the S&P and Baa corporate bonds is over two standard deviations in favour of stocks.
As for last week's market activity, Jones said that on Thursday we saw a five standard deviation (that's a volatility measure) kind of movement in one day.
More so than other stock pickers, low - volatility fund managers focus on metrics like beta, standard deviation and Sharpe ratios.
With sentiment indicators buoyant, margin debt close to historic levels and indices trading close to their 2 standard deviation based on forward PE over five years, investors need to be mindful that a correction can easily unfold.
Volatility profiles based on trailing - three - year calculations of the standard deviation of service investment returns as of February 28, 2017.
On average, 2.40 unique equities experienced a mini flash crash between 9:30 — 9:33 during the period, with a standard deviation of 1.51 unique equities.
The meta - analysis, published online today in the Proceedings of the National Academy of Sciences, concluded that teaching approaches that turned students into active participants rather than passive listeners reduced failure rates and boosted scores on exams by almost one - half a standard deviation.
On a bell - curve, about 95 % of your observations will be within two standard deviations one way or another, so only about 2.5 % of your observations will be beyond «two sigma» on the upsidOn a bell - curve, about 95 % of your observations will be within two standard deviations one way or another, so only about 2.5 % of your observations will be beyond «two sigma» on the upsidon the upside.
And suppose newspapers only report on big news, that's (say) one standard deviation or more away from the mean.
This move is unusual also because gold has had a monthly standard deviation of ± 5.5 percent based on the last 10 years» worth of data.
Based on the last five years» worth of data, the NYSE Arca Gold BUGS Index has had a monthly standard deviation of ± 9.4, but last month it plunged 20 percent.
After the third longest bull market advance on record, fresh deterioration in key trend - following components within our measures of market internals (see Support Drops Away) recently joined this extended, overvalued, overbought, overbullish peak, even as the S&P 500 hovers at the top of its monthly Bollinger bands (two standard deviations above the 20 - period average) and cyclical momentum rolls over from a 9 - year high.
They measure changes in analyst earnings forecast dispersion (standard deviation divided by mean) based on data from I / B / E / S as the difference between current dispersion and dispersion two months ago.
When the S&P 500 was one standard deviation above its 200 - day, returns 60 days later were 2.35 % on average, compared to just 1.68 % for all other times.
For all asset classes (but focusing on currencies), they define bad market conditions as months when the excess return on the broad value - weighted U.S. stock market is less than 1.0 standard deviation below its sample period average.
Right now crude is down 1.2 standard deviations — already signaling a buy, but it might have further to fall, based on past incidences.
VRP here differs from that in the referenced research in three ways: (1) it is a volatility premium rather than a variance premium based on standard deviation rather than the square of standard deviation; (2) it is implied volatility minus expected realized volatility, rather than the reverse, and so should be mostly positive; and, (3) estimation of expected realized volatility is much simpler.
We focus on gross compound annual growth rate (CAGR), gross maximum drawdown (MaxDD) and rough gross annual Sharpe ratio (average annual return divided by standard deviation of annual returns) as key performance statistics for the Top 1, equally weighted (EW) Top 2 and EW Top 3 portfolios of monthly winners.
For more on standard deviation and mean reversion, I invite you to download my whitepaper, «Managing Expectations: Anticipate Before You Participate in the Market.»
Their belief in God and Bible is cradled in their system of absolute certainty that allows no deviation from an absolute standard of doctrine which is presumably based on a singular understanding of the Bible.
They are not normal, the deviation is not standard, it rises and falls based on environmental causes and the behavior of the parents.
He exudes the fact that he's doing me the favor — and man, he really is — but I forge on, explain my story, and what I want to get out of all this: to finally know what makes Wisconsin college football's great exception, the success story beyond a standard deviation, the one team that has won almost as much as anyone over the last 25 years with talent far below its peers.
It's a welcome change for an event that had little juice on a PGA Tour that could use a deviation from the standard 72 - hole stroke play tournament.
Without looking, I would have put a lot of money on the Bruins being in the top 5 in standard deviation.
People may vary on how they define «outlier» depending upon their specific industry — in my work I typically view outliers as things more than 3 standard deviations from the mean (standard in many industries because 99.7 % of data falls within + / - 3 standard deviations)-- but nobody in his right mind calls 1.1 standard deviations an outlier because that would exclude over 25 % of the data.
Our daughter was more than 2 standard deviations off of normal in several places on the Q — basically a seriously dysregulated brain.
* Average level of DHA in worldwide breast milk is 0.32 % + / - 0.22 % (mean + / - standard deviation of total fatty acids) based on an analysis of 65 studies of 2,474 women.
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