Sentences with phrase «experimental random assignment»

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

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

Not exact matches

And scholars will need to be careful not to make causal claims based on data sets that aren't subject to experimental designs; the sheer quantity of data can't make up for the lack of controls and random assignment.

Quantitative hypotheses, for instance, had to be «evaluated using experimental designs in which individuals, entities, programs, or activities are assigned to different conditions with appropriate controls to evaluate the effects of the condition of interest through random assignment experiments, or other designs to the extent such designs contain within - condition or across - condition controls.»

Some argue that random assignment unfairly deprives one group of children of new approaches or interventions that are potentially helpful, or, conversely, subjects children to experimental approaches whose efficacy is as yet undetermined.

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.

A key feature of Project STAR's experimental design was the random assignment of both students and teachers to specific classrooms within each school.

Although regression discontinuity estimates are unbiased, we might also want to see effects of random assignment experimental evaluations of preschool for children from advantaged groups.

This was an experimental design with random assignment of at - risk students to first - round intervention services or a comparison group that did not receive intervention service until after the transition period testing.

This study used an experimental, longitudinal field trial involving random assignment to the Family Check - Up (FCU) to explore the social ecology of adolescent antisocial behavior.

Although physiological reactivity in humans can be altered in the short term by psychosocial interventions (34, 35), including in children exposed to maternal deprivation (36, 37), we are unaware of experimental research examining whether random assignment to a caregiving environment alters patterns of physiological reactivity later in development.

All the studies used a rigorous random assignment, experimental research design and the programs were classified on the basis of three features that were viewed as especially likely to affect the experiences of children in the participating families: earnings supplements; mandatory employment services; and time limits.

Summary: (To include comparison groups, outcomes, measures, notable limitations) This study used an experimental, longitudinal field trial involving random assignment to the Family Check - Up (FCU) to explore the social ecology of adolescent antisocial behavior.

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