Sentences with phrase «randomized field trial»

Most randomized field trials involve measuring the effects of an intervention on individual research participants.

The most promising interventions could later be confirmed with randomized field trials.

He led an evaluation of the Pennsylvania Value - Added Assessment Pilot Program (PVAAS) and was the lead statistician on other randomized field trials of school - based interventions; including evaluations of the Cognitive Tutor geometry curriculum, the Project ALERT Plus middle and high school drug prevention program, and the teen dating violence prevention curriculum, Break the Cycle.

The evaluation procedures used in all three studies conformed to those used in randomized field trials.

From 1995 to 1997 its Planning and Evaluation Service awarded 51 contracts to study the effects of federally sponsored programs, of which 5 involved randomized field trials on programs like Upward Bound, the Even Start Family Literacy Program, and the School Dropout Demonstration Assistance Program.

We often turn to the healthcare system for inspiration when it comes to research, looking at randomized field trials of pharmaceuticals as a model for what we'd like to do with research on instructional practice.

«Targeting Early Antecedents to Prevent Tobacco Smoking: Findings From an Epidemiologically Based Randomized Field Trial.»

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.

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.

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.

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.

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.

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.

Yet the findings from randomized field trials discipline their thinking and restrict the conclusions they can credibly make.

While RAND, Teske, Schneider, and Greene suggest that the best evidence on student achievement comes from the new randomized field trials, what some call the «gold standard» of social - scientific research, Carnoy and Ladd remain fixated on two sources of potential contamination - attrition rates and response bias - and are inclined to dismiss (or at least heavily discount) the findings.

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.

As part of the MFAS project, two randomized field trials of the effect of the use of MFAS on student achievement and teacher knowledge of content and pedagogy are being conducted.

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).

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.

Targeting early antecedents to prevent tobacco smoking: findings from an epidemiologically based 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.

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.

The most promising innovation was the randomized field trial.

Nonetheless, a few foundations seem admirable in subsidizing field tests that 1) a national, state, or local government is unable or unwilling to mount; and 2) build on government investments in randomized field trials to generate new knowledge.

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.

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.

At first blush, the most rigorous methodology, randomized field trials (RFT), appears not to fare well, since few such studies made the list.

Putting on my skeptically green eye shade, I downloaded the study and dug in — only to discover that the study, carried out by the respected Manpower Development Research Corporation (MDRC), is a randomized field trial, this time executed properly.

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.

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.

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.

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 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.