Sentences with phrase «random assignment»

The design used random assignment of 24 schools into treatment and comparison conditions.

What's more, there have been 10 random assignment studies of school vouchers (the best design possible) and 9 of them have found positive results for some or all participating students.

Twelve empirical studies have examined academic outcomes for school choice participants using random assignment, the «gold standard» of social science.

Even fewer have followed children's development over several years and employed an experimental random assignment design, as this one does.

As some of you may know, I've been working on a large - scale random assignment experiment of the effects of school tours of an art museum on students and their learning.

To assume a causal influence of responsive parenting on child outcomes would require data from experimental studies with random assignment.

First, because it is based on random assignment of students, it is free of key sources of bias (see Note 1).

The researchers point out that the groups, created by random assignment, did not reflect any sort of shared identity other than their task - related experiences.

After setting up the factor model, I discuss how it could be related, under random assignment assumptions, to a production function.

But the control group was not formed through random assignment.

However, there was apparently no data about the tracks teachers taught or whether random assignment occurred only within tracks.

Moreover, because random assignment of students to teachers occurred within schools, this effect can not be attributed to the overall effectiveness of the school.

Programs had to be interested in participating and had to serve an area with more demand than its services could meet, in order to conduct random assignment ethically.

It is not as precise as random assignment experimentation, but is usually unlikely to be biased if correctly applied.

In that case In addition, random assignment within schools implies that and are independent conditional on, so that As above, define the factor.

We then tested whether the teachers who had been identified as more effective using the value - added measures had students who achieved more following random assignment.

The application of statistical controls using longitudinal data systems often provide meaningful information regarding program impacts even without random assignment.

Even fewer have followed children's development over several years and employed an experimental random assignment design, as this one does.

Our stringent quality assurance methods ensured that all three studies successfully implemented random assignment, meeting the research «gold standard» and ensuring confidence in our results.

The experimental design uses teacher - level random assignment and will involve approximately 200 teachers in 6 districts.

As I understand it, value - added analysis doesn't require random assignment.

There are connections between the factor model and a production function, under random assignment assumptions.

It may be plausible to assume that the double random assignment of students and teachers applied also to specific classrooms (12, 13).

In general, foundations and governments have not financed random assignment experiments on how preschool has affected more advantaged students.

First, without random assignment there is no way to be sure that we fully accounted for selection bias.

By closing them out you don't have to worry about random assignment or any after - hours price action in the underlying stock that may occur.

From coast to coast, many different kinds of programs and service providers use random assignment to fairly allocate a limited number of services to those who need them.

Her expertise is in random assignment evaluations of programs that serve individuals involved in the criminal justice system.

This study was not based on random assignment of children to classrooms.

Effects of PROSPER 6.5 years after random assignment for the non-user subgroup — i.e., students who had not used a given substance at the time the study began (fall of 6th grade): 12

The SHM evaluation includes a rigorous random assignment research design that compares outcomes for families who are offered SHM's services with outcomes for a similar group of families who are not offered SHM services but can access other services in the community.

Background Thirty - seven Reading Recovery teachers from different schools in 14 states submitted the names of two at - risk first - grade students to a Web - based program for random assignment to first - or second - round Reading Recovery service, and submitted data on those students across the school year that allowed comparison of at - risk students with and without intervention services.

She plays a lead role in acquiring, processing, and analyzing data from a variety of sources and has several years of experience analyzing data from random assignment studies of programs for low - income families.

The study's rigorous random assignment design compares outcomes for families who are offered SHM's services with outcomes for a similar group of families who are not offered SHM's services but can access other services.

As a result, there is no way of telling whether report - ed gains (most of which accrued in the program's first year) are based on a true random assignment protocol or whether they reflect improper assignments of subjects to treatment and control conditions.

Listen to MIHOPE team lead Sharon Rowser explain the study method and how random assignment allows the researchers to look at what difference the home visiting programs make.

Using these measures, a near - consensus of the «gold standard» studies — those that employ random assignment to determine the causal impact of a policy — have found that students in a school choice program benefit academically from the new setting.

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.

Restricting the comparison to students who entered the experiment in the same school and year is essential because this was the level at which random assignment took place.

Certain cabinet departments in the US will, from time to time, conduct a field experiment to examine the outcomes of some program they manage, involving true random assignment of «clients» to various treatment or to non-treatment.

A motivation for using residuals is that it is more plausible to make random assignment assumptions within a school when working with residuals.

The study shall recruit a sample of 120 elementary schools in 12 districts and perform random assignment at the school level (all staff in a same school will receive the same treatment condition).