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.
Not exact matches
Or a similar integrity, for, as Anderson writes, «the
largest and most
rigorous academic
study on the results of hormonal and surgical transitioning... found strong evidence of poor psychological outcomes.»
These issues will need to be addressed in future
studies that include a
larger subset of breastfed infants and more
rigorous measures of compliance.
In fact, the
largest and most
rigorous study of home birth internationally to date found that among 5,000 healthy, «low - risk» women, babies were born just as safely at home under a midwife's care as in the hospital.
«I think physicians will welcome a
large,
rigorous study on this topic and factor this information into their decision - making process,» he said.
The
study, «Prevalence of hypertension, awareness, treatment and control in the Hispanic Community,» led by Dr. Paul D. Sorlie of the National Heart, Lung, and Blood Institute (NHLBI), sampled 16,400 individuals, making it one of the
largest and most
rigorous health
studies of the Hispanic community.
«Such biases, conscious or unconscious, can make candidate medical treatments look better than they actually are, the authors of the analysis warn, and lead to eye - catching results that can't be replicated in
larger or more
rigorous animal
studies — or in human trials.»
Future pre-clinical work will require additional optimization,
large - scale mouse
studies and
rigorous safety analysis, the researchers emphasize.
Using simple statistics, without data about published research, Ioannidis argued that the results of
large, randomized clinical trials — the gold standard of human research — were likely to be wrong 15 percent of the time and smaller, less
rigorous studies are likely to fare even worse.
«This was a
large and
rigorous study and we are confident there is no additional benefit from inserting needles compared with stimulation from pressuring the blunt needles without skin penetration for hot flushes,» Dr Ee said.
It's humbling, and just underlines the importance of replication» of tantalizing preliminary findings with
larger, more
rigorous studies.
Her
rigorous studies and focus on delivering impactful solutions to
large problems make her the ideal recipient of the 2017 Blavatnik National Award in Chemistry.»
Two
studies, including the
largest and most
rigorous study analyzed, demonstrated no difference in weight loss with garcinia cambogia supplementation.
And when the
rigorous evidence is available from randomized controlled trials, often the results are at odds with the findings of the observational
studies,» explains Dr. JoAnn Manson, chief of preventive medicine at Brigham and Women's Hospital, professor of medicine at Harvard Medical School, and principal investigator of a
large randomized trial known as VITAL (Vitamin D and Omega - 3 Trial).
The $ 6 billion funding for the federal Reading First program has helped more students «crack the code» to identify letters and words, but it has not had an impact on reading comprehension among 1st, 2nd, and 3rd graders in participating schools, according to one of the
largest and most
rigorous studies ever undertaken by the U.S. Department of Education.
The article continued, «
Rigorous testing that decides whether students graduate, teachers win bonuses, and schools are shuttered... does little to improve achievement and may actually worsen academic performance and dropout rates, according to the
largest study ever on the issue.»
The shortcomings of this
study, the paucity of independent research on the National Board, and the
large investments being made by states in rewarding National Board - certified teachers highlight the need for a
rigorous and arm's - length cost - benefit
study of National Board certification.
Several
rigorous studies have confirmed that many KIPP middle schools have
large, positive impacts on student performance on math and reading tests.
Two well - known commercial reading programs, which have been adopted by some of the nation's
largest school districts and have met the strict requirements for research - based programs under the federal Reading First initiative, failed to earn ratings from the What Works Clearinghouse because they do not have any
studies that satisfy the agency's
rigorous evidence standards.
Using
rigorous non-experimental methods, a 2013
study of charters in 16 states by the Center for Research on Education Outcomes found that average charter school effectiveness increased overall, due in
large part to closures of poorly performing schools.
A
rigorous,
large - scale
study has yet to resolve a question that has divided pedagogical thinking for generations.
These lotteries provide the basis for an unusually
large and
rigorous study, supported by the Bill & Melinda Gates Foundation, of the effects of SSCs on students» academic achievement.
TNTP also reviewed the broader research literature and commented on findings from the most
rigorous studies that had been done by the Institute of Education Sciences: «teachers who received the best of the best [professional development] were no more likely to see
large, lasting improvements in their practice, knowledge, or student learning.
Several
rigorous studies have confirmed that many KIPP middle schools have
large, positive impacts on student performance in math and reading tests.
We need a
large scale
study, that collects
rigorous evidence for fairness and reliability and the results need to be published annually.
And
rigorous studies of
large - scale curricular reforms are few and far between, so we don't have a huge body of research to pull from and one
study should never be relied on too heavily.
As Collin Hitt's piece persuasively argued, a series of
rigorous studies have found
large long - term benefits for students able to attend schools of choice even when short - term test results show little or no benefit.
Studies have also found that principals who received
rigorous leadership training programs and support experienced
larger gains in student achievement than principals who did not participate in the programs.
«
Rigorous processes» may help avoid a hockey - stick fiasco, but there are still two very basic problems: a) the proxy data themselves are often dicey, especially when the time scale is
large, and b) the interpretation of the data is based on an «argument from ignorance» (i.e. «we can only explain this if we assume...»), where unknown factors are simply ignored and it is falsely assumed that we have the knowledge of all factors that could possibly have been involved; if these
studies are used to provide evidence for a preconceived hypothesis, I think they are next to worthless.
Strengths of the
study include its
large sample size,
rigorous assessment of BED, and absence of any treatment differences across sites despite the different degrees of experience with the treatments at the Rutgers University and Washington University clinics.
The meta - analysis (Johnson et al, 1999) of the four most
rigorous outcome
studies conducted before the year 2000, showed a
larger effect size (1.3) than any other couple intervention has achieved to date.
As this
study shows, when the «dose» is
large enough, parent training seems more effective than when data from all participants are used in an intent to treat analysis; (c) the present
study provided a more
rigorous test than most prior
studies by only admitting children to treatment who met DSM - IV criteria for ODD; and, perhaps most importantly, (d) this
study was designed as an effectiveness trial, while most prior
studies were efficacy - oriented.