Sentences with phrase «random assignment studies»

In these clinical random assignment studies, when therapists adhered to a manual of techniques and parents made changes in parenting skills (which were documented), the outcome included immediate posttreatment improvement and evidence of improvement 1 - 3 years after treatment.

When Mr. Talton failed to produce, I extended the same offer to everyone in Arizona: Produce two random assignment studies showing bad results from school choice, and win a steak dinner.

School - choice programs have been the subject of a large number of random assignment studies.

JB: We find in the research that in most of the random assignment studies, the highest quality studies we have, it's true that when parents do have options, there are positive outcomes both in terms of achievement as well as persistence in school and in college.

Forster noted that at the time of his report there had been twelve random assignment studies of school choice programs, including the evaluation of the D.C. Opportunity Scholarship program mentioned above.

In these random assignment studies, graduation rate differences shine decisively in favor of scholarship students.

The Institute of Educational Sciences of the U.S. Department of Education produced four random assignment studies of the Opportunity Scholarship Program.

The random assignment study of field trips was made possible by the fact that the Crystal Bridges Museum of American Art opened in Northwest Arkansas, an area that had never before had a major art museum.

The famous Tennessee STAR random assignment study evaluated class size reduction, which also produced about a one - third of a standard deviation improvement in achievement for minority students.

Podcast: Education Next's Paul Peterson and Chester E. Finn, Jr. talk about Caroline Hoxby's random assignment study of student achievement in charter schools in New York City.

This week they discuss Caroline Hoxby's random assignment study of student achievement in charter schools in New York City.

The Philadelphia intervention does not provide the opportunity for a random assignment study of the impact of for - profit and nonprofit management.

This report, a Public / Private Ventures project distributed by MDRC, summarizes findings from a four - year random assignment study of an out - of - school - time program for middle - schoolers.

This brief, distributed by MDRC, summarizes findings from the four - year random assignment study, which involved 952 youth.

The full - scale random assignment study of the impacts on middle school students produced by PowerTeaching i3 will include 53 middle schools across five districts.

The National Bureau for Economic Research (NBER) released in December 2015 the first nationally recognized random assignment study to ever demonstrate that a school voucher program — LSP — had a negative effect on student achievement in its first year.

Marisa Castellano is the co-lead of the NRCCTE's longitudinal random assignment study of student outcomes in high school programs of study.

This report presents an in - depth discussion of the technical methods, findings, and implications of the Measures of Effective Teaching (MET) project's random assignment study of teaching effectiveness measures.

This report discusses evaluation findings from a 15 - year longitudinal random assignment study of the effects of a high school reform initiative, Career Academy, which is a key component of the Linked Learning model.

An independent, random assignment study validates this program's impact on both teacher and student learning.

At the end of the day, it is true researchers have not conducted a random assignment study assessing Indiana voucher students» test scores in the same way Milwaukee, Cleveland, and Washington, D.C.'s programs have been studied.

Very early results from a random assignment study suggest that Working toward Wellness increased the use of mental health services and had mixed effects on depression severity.

MIHOPE - Strong Start is the largest random assignment study to date examining the effects of home visiting services on birth and health outcomes and health care use.

The multi-year, random assignment study is funded by the U.S. Department of Health and Human Services, Administration for Children and Families.

MDRC's random assignment study of LEAP — which assessed the initiative's implementation, effects on teens, and benefits and costs — began when the program was launched in 1989 and ended in 1997.

Not exact matches

I simply pointed out that the studies you cited did not support the claims you were making, and that you can not draw casual inferences from studies that do not use random assignment.

Had random assignment not been used in the British multicenter study, breastfed infants might have seemed to perform more optimally than infants fed enriched preterm formula.

As noted above, ethical standards have meant that random assignment to feeding groups is rarely possible, making other methodological and analytical steps necessary to ensure that research outcomes are accurately attributed to the relevant factors under study.7

Screening, random assignment, and follow - up of the study participants in the Swedish dietary and exercise behavior - modification intervention trial in lactating overweight and obese women.

«It's a random - assignment, placebo - controlled study, the best kind of study there is,» Seligman says.

The paper is one of a series of studies by Doyle and his colleagues which use the random assignment of patients to hospitals, due to ambulance - dispatch practices, in order to evaluate hospital effectiveness.

They can rigorously measure art outcomes, as we are in our random - assignment field trip study.

We are also in talks with various folks about additional studies, all of which will use random assignment or similarly rigorous methods.

A composite measure on teacher effectiveness drawing on all three of those measures, and tested through a random - assignment experiment, closely predicted how much a high - performing group of teachers would successfully boost their students» standardized - test scores, concludes the series of new papers, part of the massive Measures of Effective Teaching study launched more than three years ago.

The 2,308 students in the study make it the largest school voucher evaluation in the U.S. to employ the «gold standard» method of random assignment.

Last week, NBER released the first random - assignment study ever to find a negative impact from a school voucher program.

In fact, there have been seven scientifically valid random - assignment analyses of voucher programs, and all seven found either that all voucher students perform significantly better than their nonvoucher contemporaries, or at least that most of them do (in some studies the results for black students, the majority of participants, are positive, while the results for other students fail to achieve statistical significance).

Similar forces operate with the rapidly growing number of studies of preschool education that use random assignment.

Of the reasons critics articulate for rejecting random assignment as an evaluation tool, some are not very credible, but others are and should inform the design of future studies that use random assignment.

However, none of the most heavily criticized quantitative studies involved random assignment.

One is the lesser profile accorded to curriculum and instructional practice and to what happens once the teacher closes the classroom door; another is the view that random assignment is premature, given its dependence on expert school management and high - quality program implementation; and another is the view that quantitative techniques have only marginal usefulness for understanding schools, since a school's governance, culture, and management are best understood through intensive case studies.

Two experimental studies of the Charlotte privately - funded scholarship program, here and here, reported clear positive effects on student test scores but were limited to just a single year after random assignment.

Studies have evaluated several reforms using random - assignment research designs, also used in most medical experiments, in which subjects are randomly assigned to treatment and control groups.

The Commission, chaired by Dr. Paul Hill of the University of Washington, carefully reviewed the research on the impact of school choice on student achievement and included in its report the following statement: «The most rigorous school choice evaluations that used random assignment... found that academic gains from vouchers were largely limited to the African - American students in their studies.»

If she included the other random - assignment studies, her readers would learn that only one shows null results, and the rest demonstrate significant benefits, at least for African American students.

The CTBA report ignores entirely previous research from the Brookings Institution, a random - assignment study — the gold standard of social science research — that found voucher students in Milwaukee scored six Normal Curve Equivalent points higher than the control group in reading and 11 points higher in math.

The only comparisons of preschool curricula using random - assignment experiments (the gold standard for causal conclusions) are drawn from studies begun decades ago, mainly during Lyndon Johnson's War on Poverty.

Though it is difficult to isolate the effects of redshirting from those of other characteristics, such as family background, two recent studies that take advantage of either variation in state birthday cut - off dates or the random assignment of students to kindergarten classrooms have enabled researchers to measure the impact of being among the oldest students in a class.

Mr. Forster surveyed 10 empirical studies that use «random assignment, the gold standard of social science,» to assure that the groups being compared are as similar as possible.

As is the case for the imbalance in the decline - to - participate rates across families assigned to the control and treatment groups, the inclusion in the treatment group of children not randomly assigned to treatment nullifies the assumption justified by random assignment of equivalence of the treatment and control children at the outset of the study.