Not exact matches
«
With every standard -
deviation increase in a spouse's conscientiousness, an employee is likely to earn about $ 4,000 more a year,» reported the Harvard Business Review.
The mean BMI of children was virtually identical across breastfeeding categories, but the standard
deviation of BMI monotonically decreased
with increasing breastfeeding duration.
This unexpected
deviation — the governor's appointees led the commission to adjourn without recommending a salary
increase — provided the impetus for a special session Cuomo, grappling
with the indictment of members of his inner circle, hoped could leverage reform measures against a pay raise.
Assuming that pupils who are not allergic to pollen are also not affected by the pollen count, the results show that one in ten pupils
with hay fever dropped one grade when the pollen count
increased by a standard
deviation.
What researchers called «a 1 standard
deviation increase» in cumulative depression during early adolescence was associated
with a 50 percent higher likelihood of cannabis - use disorder.
Every standard
deviation increase in the inflammation score was also associated
with a hippocampus volume that was 110 cubic millimeters smaller and the volume of other areas affected by Alzheimer's disease was 532 cubic millimeters smaller.
Walker said that the effect of one standard
deviation increase in the overall inflammation score in mid-life on brain volume decades later was similar to the effect associated
with having one copy of the apolipoprotein E (APOE) e4 gene that
increases the risk of Alzheimer's disease.
Per standard
deviation increases in BPA concentration were associated
with positive responses to questions about physician diagnoses of myocardial infarction in age, sex and ethnicity adjusted models in 2005/06 (OR = 1.31, 95 % CI: 1.02 to 1.68, p = 0.036),
with OR estimates for reported angina and «coronary heart disease» being similar to 2003/04 but narrowly missing conventional two sided statistical significance (Table 2).
(C) Detection of selection defined by regions associated
with decreased genetic diversity in domesticated horses relative to predomesticated horses [indicated by an
increased log - ratio of the Watterson estimator (θw)-RSB- and showing potential
deviation from neutrality (indicated by decreased Tajima's D values).
Each standard
deviation increase of baseline proneurotensin was associated
with an
increased risk of 41 % for new - onset diabetes in women during the follow - up of 13 years.
One standard
deviation increase of CSF ApoA1 was associated
with a 30 %
increased risk of clinical progression (hazard ratio (HR)(95 % CI) = 1.3 (1.0 — 1.6)-RRB-.
In this example, the standard
deviation of the firing rate for a given value of θ
increases with increasing firing rate from a baseline value, although the particular form of noise chosen does not qualitatively affect our results.
Association of Genetically - Elevated Waist - to - Hip Ratio Adjusted for Body Mass Index (One Standard
Deviation Increase)
With Type 2 Diabetes Using Three Instruments
Association of Genetically - Elevated Waist - to - Hip Ratio Adjusted for Body Mass Index (One Standard
Deviation Increase)
With Type 2 Diabetes Using Three Instruments
With Additional Adjustment for Body Mass Index
Association of Genetically - Elevated Waist - to - Hip Ratio Adjusted for Body Mass Index (One Standard
Deviation Increase)
With Coronary Heart Disease Using Three Instruments
With Additional Adjustment for Body Mass Index
Association of Genetically - Elevated Waist - to - Hip Ratio Adjusted for Body Mass Index (One Standard
Deviation Increase)
With Type 2 Diabetes and Coronary Heart Disease, Overall and by Quintile of WHRadjBMI
Rural students, who live in towns
with fewer than 10,000 people, experience an
increase in critical - thinking skills of nearly one - third of a standard
deviation.
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.
We find that the accountability provisions of NCLB
increased 4th - grade math achievement by roughly 7.2 scale points (0.23 standard
deviations) by 2007 in states
with no prior accountability policies relative to states that adopted accountability systems in 1997.
[5] The results below indicate that a one standard
deviation increase in test scores is associated
with a seven - percentage - point decline in the opt - out rate.
For example, in 4th - grade math, we find that NCLB
increased scores at the 10th percentile by roughly 0.29 standard
deviations compared
with an
increase of only 0.17 standard
deviations at the 90th percentile (see Figure 3).
For example, a 12.1 - percentage - point
increase (one standard
deviation) in the fraction of a state's population that is black is associated
with roughly a 2 - percentage - point
increase in charter school enrollment in the state.
The average county experienced an
increase of charter enrollment of 1 percentage point,
with a standard
deviation of 4 percentage points.
Weighted by student enrollment, the average
increase is 2 percentage points
with a standard
deviation of 4 percentage points.
Specifically, teachers who were one standard
deviation less effective (equivalent to the difference between a teacher at the 35th percentile and an average teacher) were associated
with a 7.1 percentage point
increase in the probability of dismissal.
A two - unit improvement in the inspection rating, such as from Satisfactory to Outstanding, is associated
with an even larger
increase of 0.21 standard
deviations.
The strength of this relationship may be gauged by comparing the change in quality associated
with changes in the school's position in the national test - score ranking: the results show that an
increase of 50 percentile points is associated
with an
increase of 0.15 standard
deviations in student perceptions of teacher practices (see Figure 1).
A one - standard -
deviation increase in theater interest is associated
with an
increase of 37 percent of a standard
deviation in tolerance.
A two - unit
increase in the inspection rating is associated
with an
increase of 0.17 standard
deviations in the parent satisfaction measure.
For both math and science, the study finds that a shift of 10 percentage points of time from problem solving to lecture - style presentations (for example,
increasing the share of time spent lecturing from 60 to 70 percent) is associated
with a rise in student test scores of 4 percent of a standard
deviation for the students who had the exact same peers in both their math and science classes — or between one and two months» worth of learning in a typical school year.
Finally, an
increase of one standard
deviation in the concentration of private schools nearby is associated
with an
increase of about 1 percent of a standard
deviation in test scores.
Second, Kirabo Jackson and Elias Bruegmann find that having more effective teacher peers improves a teacher's own performance; a 1 - standard -
deviation increase in teacher - peer quality is associated
with a 0.04 - standard -
deviation increase in student math achievement.
That is, we can say
with 95 percent confidence that the effect of a 10 - percentage - point
increase in the private school share is between 3.9 and 14.2 percent of a standard
deviation in test scores.
For example, in a school
with three equal - sized 4th - grade classrooms, the replacement of a teacher
with a VA estimate of 0.05 standard
deviations with one
with a VA estimate of 0.35 standard
deviations should
increase average test scores among 4th - grade students by 0.1 standard
deviations.
Using this relationship,
increasing per - pupil spending by 10 percent is associated
with about 0.12 standard
deviations higher test scores (this relationship is statistically significant at the 1 percent level).
In particular, our preferred model finds that a ten percentage point
increase in private share of schooling enrollment within a nation, over time, is associated
with a 7.4 % of a standard
deviation increase in the Political Rights Index and an 8 % of a standard
deviation increase in the Economic Freedom of the World Index.
However, it turns out that the black children in our sample were less responsive to changes in socioeconomic status than the white children: a one - standard -
deviation improvement in socioeconomic status for a black child was associated
with a 0.18 standard
deviation increase in math scores, compared
with 0.32 among white children.
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.
An
increase of one standard
deviation in the level variable is associated
with ratings that are almost one - third of a letter grade higher after taking into account other school characteristics.
The results of my analysis suggest that high - stakes testing substantially
increases math and reading performance,
with gains on the order of 0.20 to 0.30 standard
deviations.
An
increase of 18 percentage points in percent proficient (i.e., one standard
deviation) is associated
with a rating that is on average 0.16 grade points higher, or about one - sixth of a letter grade.
The achievement of a nationwide sample of 4th and 8th grade students
with the same racial make - up as Chicago students, as measured by the National Assessment of Educational Progress (NAEP),
increased roughly 0.25 standard
deviations in math during the 1990s, though there was no gain in reading.
And in all 8 models the point estimates suggest that a standard
deviation improvement in classroom observation or student survey results is associated
with less than a.1 standard
deviation increase in test score gains.
They then use as an example the 0.044 (p < 0.05) coefficient (as related to more classroom observations
with explicit feedback tied to the Common Core) and explain that «a difference of one standard
deviation in the observation and feedback index was associated
with an
increase of 0.044 standard
deviations in students» mathematics test scores — roughly the equivalent of 1.4 scale score points on the PARCC assessment and 4.1 scale score points on the SBAC.»
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.
Nonetheless, Adnot et al.'s (2016) highlighted finding was that «on average, DCPS replaced teachers who left
with teachers who
increased student achievement by 0.08 SD [standard
deviations] in math.»
Scores for girls and boys
increased significantly over time
with an effect size of over one half of a standard
deviation, suggesting that students reported higher feelings of self - competence
with ICT skills by the end of the week (see Table 4).
The problem
with so - called difference - to - difference research design is that it can inflate what would otherwise be minor
increases and decreases in standard
deviations during the time periods measured.
For example, a change of one standard
deviation in turnover on a given grade - level team is associated
with a drop in student math scores of.02 standard
deviations, while 100 percent turnover on a given grade - level team is associated
with a drop in student math scores of between.08 and.10 standard
deviations.35 These effects extend beyond students
with a new teacher, indicating that
increased turnover causes disruption that can affect other classrooms.
First - year test scores in Apollo 20's schools showed some gains,
with an
increase in standard
deviations of.234 in middle school math and.368 in high school math.