Sentences with phrase «quarter of a standard deviation»

That translates into an increase of almost one - quarter of a standard deviation (23 percent).

The difference is a little more than one - quarter of a standard deviation (26 percent).

Specifically, students in countries that permit teacher salaries to be adjusted for outstanding performance score approximately one - quarter of a standard deviation higher on the international math and reading tests, and about 15 percent higher on the science test, than students in countries without performance pay.

Students in countries that permit teacher salaries to be adjusted for outstanding performance score approximately one - quarter of a standard deviation higher on the international math and reading tests, and about 15 percent higher on the science test, than students in countries without performance pay.

To put these units in context, the average middle school student gains about a quarter of a standard deviation per year; for elementary students, the average gain is between a third and a half of a standard deviation.

Although, as the authors note, «most non-urban students do reasonably well in any case,» the causal effect of a year of non-urban charter attendance is a substantial reduction in achievement in all levels and subjects, on the order of 0.16 standard deviations in middle school with almost a quarter of a standard deviation decline in high school math.

Impressively, attending the school with the strongest civic climate (where 85 percent of students listed voting as a component of good citizenship) rather than the school with the weakest civic climate (where 46 percent chose voting) increased anticipated participation by a quarter of a standard deviation, or by about twice the effect of the individual student's having listed voting as a component of good citizenship.

«Research found that it had annual impacts of about one - quarter of a standard deviation in math and small but still positive effects on reading.»

Further, using CREDO's days of learning conversion, this standard deviation unit decrease is the equivalent of losing 68 days of learning — more than one - third of an entire school year.57 This conversion assumes that students learn, on average, the equivalent of one - quarter of a standard deviation unit — 0.25 — per year.

Not exact matches

What this means is that, even though the S&P was down 1.22 percent in the first quarter, the decline was well within its expected range of one standard deviation, which occurs roughly 68 percent of the time.

Using the national standard deviation to scale all scores, the effect of attending a private school on black students is only one - fifth to one - quarter as large as the black - white gap.

Figure 2a shows that, holding constant all demographic measures other than income, an increase of one standard deviation in the single - parent measure is associated with a drop in children's completed schooling of one - quarter of a year.

This 0.04 standard deviation deficit represents roughly one - quarter of the largest test - score declines we attribute to middle - school attendance.

In terms of academic performance, KIPP students» achievement in grade 4 (before entering KIPP) is lower than the district average by 0.09 standard deviations in reading and by 0.08 standard deviations in math, or roughly one - quarter of a grade level in each subject.

Using the upper range of their effect size estimates, $ 100 spent on classroom coaches would yield a gain of over one - half standard deviations in student achievement, and one - to - one tutoring would yield a one - quarter standard deviations improvement.

Similarly, a Chicago study of an intensive math - tutoring intervention with low - income minority students in 9th and 10th grades suggested impacts of 0.19 to 0.31 standard deviations — closing a quarter to a third of the achievement gap in one year.

By 2000, math scores were roughly 0.3 standard deviations higher than predicted, an improvement about one quarter the size of the difference in math performance between Chicago students in consecutive grades in 1995.

Cizek says even the most powerful curriculum changes or educational interventions usually produce gains of only a quarter or half a standard deviation.

EPS Stability, defined as the standard deviation of EPS over the past 16 quarters, lower being better (50 % of this category)

Remember that Portfolio C generated a return of 11.21 percent with 37 negative quarters and a standard deviation of 14.54 percent.

From 1976 - 2010, the S&P 500 had 42 negative quarters and a standard deviation of 15.39 percent.

International stocks had 45 negative quarters with a standard deviation of 17.26 percent.

In three year periods ending in 1954 to 1978, which overlaps with the Great Inflation, the 12 quarter standard deviations of the compounded annual rate of change in NGDP are significantly * negatively * correlated with the average rate of change in NGDP.

The jury also awarded one quarter million dollars in punitive damages because of the companies extreme deviation from reasonable safety standards.

When neither maternal grandparent has completed high school, children's scores on standardized assessments of math and reading achievement are one - quarter to one - third of a standard deviation lower compared with families where at least one grandparent finished high school.