They maintain that cognitive tests done over time actually indicate small or
no differences in performance among these populations and that studies on risk factors have produced useful, yet insufficient, explanations of the disparities - largely due to the lack of African American participation in research studies.
The beta - chasing pursued by investors this year created stark
differences in the performance among individual stocks.
Not exact matches
The rising interest - rate environment appears likely to increase how much
performance varies
among equities, as valuations are adjusted to reflect more accurately the
differences in companies» growth outlooks, cash flows and balance sheets.
According to Robert Hall, professor of pediatrics at the University of Missouri School of Medicine
in Kansas City, there was no statistical
difference in growth, language development, vision or cognitive development
among the children studied, although
in most categories the breast - fed infants did show slightly better
performance.
However,
among the older children, there was no
difference in performance between the typically developing and children with ASD.
Dr Andrea Manica, co-author of the paper from the University of Cambridge, added: «Our research reveals that the collective
performance of groups is strongly driven by their composition, suggesting that consistent behavioural
differences among groups could be a widespread phenomenon
in animal societies.»
Among elite athletes, practice accounts for a scant 1 percent of the
difference in their
performances — and starting sports at an early age does not necessarily provide athletes an upper hand — according to new research.
These results support previous findings of lower academic
performance among children prenatally exposed to alcohol compared to their peers, which appear to be associated with
differences in brain development, and highlight the need for additional attention and support for these children.
This adaptation, unique
among vertebrate life, also makes them a useful species for studying genetic
differences in physical form and
performance.
While existing research has compared academic
performance between
in - person and online students, little is known about the
differences among the students themselves.
The white matter variations accounted not only for the range of scores
among typical readers but also for the
differences in performance between these children and others with a likely reading disability.
This analysis makes clear that large
differences in the
performance of high - SES students and low - SES students
in the same schools do exist; that these apparent gaps are not simply reflective of gaps
in preparation; and that while the variation across school districts is substantial, the variation within school districts may be even larger (at least
among the largest districts
in Florida).
The higher
performance of students
in schools using the literacy hour, coupled with the fact that this
difference continues to be observed even after taking into account other
differences among schools, makes us reasonably confident that we have pinned down the effect attributable to the policy.
Looking at the SAT and ACT
performance of high school graduates by racial group, the percentage changes (about 5 percentage points from the third year on) are similar
among white, black, and Hispanics, but the
differences in impact relative to the prior
performance of each group are sizable.
Even if the two - step results conceal
differences in absolute
performance across schools
in different contexts, they still facilitate comparisons
among schools
in similar contexts, which is sufficient to give schools
performance signals that can be used to improve instruction.
The fundamental
differences among countries
in the types of
performance pay system are not properly considered.
This seems to me to be grasping at straws, given the lack of any
differences among participants and non-participants
in teacher rated social / emotional outcomes, and given otherresearch showing no association between kindergarten retentions and later school
performance.
Like policy researchers, measurement researchers generally have not distinguished
among different subject areas
in their targets for study or
in their conclusions and recommendations, even though Linn (1998)(a prominent measurement researcher) has found
differences in student
performance across subject areas and within subscales of the same subject area.
After analyzing student outcome data and comparing current student
performance with annual yearly progress benchmarks for student achievement, the leadership team agrees that there are significant
differences in outcomes
among students of diverse racial, ethnic, cultural and linguistic backgrounds unrelated to socioeconomic status???.
Performance differences between charter school students and their traditional public school peers were especially strong
among black and Hispanic students
in poverty and Hispanic students who are ELL
in both reading and math.
Though Brizard touts improvements
in graduation rates and test scores
among his accomplishments
in his 3 1/2 years, opinion is sharply divided on whether he has made a significant
difference in the
performance of the district's largely low - income black and Latino students....
This is because nearly all of the variability
in test score
performance lies
in the demographic
differences among the student.
Despite these gains, the rate of progress has varied
among these racial / ethnic groups and
differences by race / ethnicity persist
in terms of increases
in attainment and progress on key indicators of educational
performance.
One limitation
in comparing scores across states is that such comparison fails to account for demographic
differences among states and the impact those demographics may have on NAEP
performance.
Additional analysis of the ability of value - added modeling to predict significant
differences in teacher
performance finds that this data doesn't effectively differentiate
among teachers.
This is because nearly all of the variability
in test score
performance lies
in the demographic
differences among the students.»
In terms of
performance, and comfort, I think there is no significant
difference among these competitors.
Assembling the right mix starts with understanding the
differences among investment types, their
performance, and their potential role
in an investment strategy.