Sentences with phrase «randomized field trials»
During the first four years of the CREATE study, researchers developed individual interventions and tested them in tightly controlled experiments and randomized field trials with classroom teachers in the middle grades.
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For instance, when testing new medical treatments, randomized field trials are the research design of choice because they can help establish cause and effect.
In education, curricular and pedagogical interventions can indeed be investigated through randomized field trials, with results that can serve as the basis for prescriptive practice.
Carnoy is deeply skeptical about the positive test - score impacts observed for African - Americans in the randomized field trials conducted in New York City; Dayton, Ohio; and Washington, D.C..
New evidence has been collected from publicly funded voucher programs in Florida and Cleveland; new findings from randomized field trials conducted in New York City, Dayton, Charlotte, and Washington, D.C., are now available; and a growing body of evidence collected abroad provides a comparative perspective on the probable effects of large - scale choice initiatives.
Looking at randomized field trials, when you compare the students who are in charter schools to those who are interested in getting into those schools but are unable to because of capacity constraints, the students in charters do much better in reading and math and also in terms of graduating from the schools they attend.
The introduction of randomized field trials to education research is as much a boon to knowledge as the results from any single study on school choice.
Yet the findings from randomized field trials discipline their thinking and restrict the conclusions they can credibly make.
Randomized field trials were used to examine the impact of the Teacher Study Group (TSG), a professional development model, on first grade teachers» reading comprehension and vocabulary instruction, their knowledge of these areas, and on the comprehension and vocabulary achievement of their students.
The most promising interventions could later be confirmed with randomized field trials.
She has partnered with institutions around the country to help them base their decisions on data, incorporate predictive analytics, design interventions to solve process challenges, and test those interventions in randomized field trials or other rigorous research designs.
When an ILSA release spurs consideration of policy changes, use the ILSA data to trigger randomized field trials among like countries to test the effects of specific interventions.
These studies are called randomized field trials and are increasingly recognized by social scientists as the most definitive in establishing causality, although observational studies that control for other probable causes can also be valuable.
At first blush, the most rigorous methodology, randomized field trials (RFT), appears not to fare well, since few such studies made the list.
But the American and European research communities didn't regard randomized field trials as essential until the 1950s, when Jonas Salk discovered the polio vaccine and Sen. Estes Kefauver held hearings on the testing of thalidomide and other drugs.
Randomized field trials are a sturdy method of generating defensible evidence about the relative effectiveness of various interventions; nonrandomized trials do so, at times, but unpredictably.
Most randomized field trials involve measuring the effects of an intervention on individual research participants.
Education Next's Paul Peterson and Chester E. Finn, Jr. talk this week (Jan. 7) about whether randomized field trials in education should be abandoned, since they so rarely find that the treatments have any effects.
If social scientists can reach opposite conclusions from the same data set, then research, even from randomized field trials, may do little to inform policy debates.
Our results came from randomized field trials, which are generally thought to be the gold standard for research on human subjects.
Given differences of opinion among researchers, it is easy to jump to the conclusion that randomized field trials are not the gold standard they are thought to be.
As befitting an article published in the nation's leading statistics journal, it introduces new statistical techniques to deal with problems that often emerge in randomized field trials: 1) missing data (for instance, not all students who initially joined the study participated in the follow - up testing sessions), and 2) noncompliance (some students, for example, refused the vouchers that were offered to them).
Effectiveness of a nutrition program in reducing symptoms of respiratory morbidity in children: a randomized field trial
The 60 charter schools operating in New York City have provided a unique opportunity for the New York City Charter Schools Evaluation Project, of which we are a part, to conduct a randomized field trial of the impact of charter schools on student achievement.
Consider, for example, the recent skepticism directed toward Tennessee's Project STAR study, a randomized field trial on class size that failed to collect baseline test - score data.
The study was designed as a gold - standard randomized field trial, in which students were (by means of a lottery) randomly given the opportunity to go to charter schools or not.
In a randomized field trial involving 347 teachers and 108 administrators in Delaware, Georgia, Colorado and Los Angeles, teachers were given a special video camera and invited to collect multiple lessons.
Whitehurst rightly insisted, again and again, that valid information on the impact of an educational intervention can only be obtained through experimental research, most preferably by using a randomized field trial (RFT).
The researchers conducted a randomized field trial of software that organizes first grade reading instruction.
Enhancing the Interpretive Reading and Analytical Writing of Mainstreamed English Learners in Secondary School: Results From a Randomized Field Trial Using a Cognitive Strategies Approach.
«The Effects of a Voluntary Summer Reading Intervention on Reading Achievement: Results from a Randomized Field Trial.»
The most promising innovation was the randomized field trial.
The STAR experiment shows how a single randomized field trial can begin to clarify the effect of a particular intervention against a backdrop of many nonrandomized trials.
Before chastising education reformers, however, it is crucial to recognize how young an innovation the randomized field trial truly is.
The first is to conduct a randomized field trial along the lines of Project STAR in Tennessee.
Matthew Chingos and I have just released a study that for the first time makes use of data from a randomized field trial to identify the impact of school vouchers on college enrollments.
I was no less enthusiastic than those standing on the podium as this was for me an opportunity to evaluate for the first time a school voucher initiative by means of a randomized field trial, the gold standard for evaluating the effectiveness of a program, the same design as the pill - placebo design used in medical research to ascertain whether pills are effective.
As is his wont, he ignores the results from a randomized field trial, conducted by Johns Hopkins researchers, that found that Success for All has large, statistically significant positive effects on student literacy.
AIR and MDRC, along with three small - business subcontractors, designed a randomized field trial to examine the impact of professional development (PD) on reading instruction and student achievement.
However, recent studies using randomized admission lotteries at charter schools and the random assignment of teachers has suggested that simple, low - cost methods, when they control for students» prior achievement and characteristics, can yield estimates of teacher and school effects that are similar to what one observes with a randomized field trial.
The NCPI is conducting a randomized field trial in which teachers in the treatment group (who are all middle school math teachers in Nashville) will receive bonuses based on student achievement gains.
This study makes use of data from a randomized field trial conducted in Tennessee to produce higher - quality information on this controversial subject than has been available previously.
The randomized field trial model, in which drugs or therapies are administered to individual patients under explicit protocols, is enormously helpful when recommending interventions for particular medical conditions.
Though only one year of data is available for analysis at this point, the study has involved a randomized field trial of over 400 teachers and administrators broken into test and control groups.
«Targeting Early Antecedents to Prevent Tobacco Smoking: Findings From an Epidemiologically Based Randomized Field Trial.»
Targeting early antecedents to prevent tobacco smoking: findings from an epidemiologically based randomized field trial
Not exact matches
The first of its kind, the study applies the method of field experiments, or randomized controlled trials, to the question of how effective PES is.
Extended - field radical radiotherapy in advanced Hodgkin's disease: short - term results of 2 randomized clinical trials.
, Randomized, Double - Blind Clinical Trial to Assess the Acute Diuretic Effect of Equisetum arvense (Field Horsetail) in Healthy Volunteers, 2014
BOOKS (67) http://www.amazon.com/Bioelectromagnetic-Healing-Rationale-its-Use/dp/0964107058 Bioelectromagnetic Healing: A Rationale for its Use by Thomas Valone 2003 (68) http://www.amazon.com/Energy-Medicine-Scientific-James-Oschman/dp/0443062617 Energy Medicine: The Scientific Basis by James L. Oschman 2000 Therapeutic Uses of Pulsed EMF (69)(70)(71)(72)(73)(74)(75) http://ajp.psychiatryonline.org/cgi/content/full/163/1/88 A Randomized, Controlled Trial of Sequential Bilateral Repetitive Transcranial Magnetic Stimulation for Treatment - Resistant Depression, Am J Psychiatry 163:88 - 94, January 2006 (70) http://www.ondamed.net/publication/html/en/article15.html Impulse magnetic - field therapy for migraine and other headaches: a double - blind, placebo - controlled study.