Sentences with phrase «randomized cluster design»

Not exact matches

Larger, well - designed studies, such as cluster randomized trials, are ultimately needed to confirm the effectiveness of this strategy,» writes Alice Y. Guh, M.D., M.P.H., and L. Clifford McDonald, M.D., of the Centers for Disease Control and Prevention, Atlanta.

Dr Gambhir said the team looked at whether a randomized control trial (RCT)-- where all people in the population have the same chance of being selected; or a stepped - wedge cluster trial design — which would give vaccine to healthcare workers and eventually treat all of them — is most safe and effective in evaluating a vaccine.

Key aspects of the design in these cluster - randomized experiments involve

This study examined the effects of a comprehensive elementary school - wide social - emotional and character education program, Positive Action, on teacher, parent, and student perceptions of school safety and quality utilizing a matched - pair, cluster - randomized, controlled design.

A pragmatic cluster randomized clinical trial of diabetes prevention strategies for women with gestational diabetes: design and rationale of the Gestational Diabetes» Effects on Moms (GEM) study

This study employed a cluster randomized controlled design, with assessments carried out before (T1), immediately after (T2) and at 12 - month post-implementation (T3).

A repeated measures cluster randomized group design methodology was employed with three conditions (TIK, Triple P - Positive Parenting Program - Level 4 (Level 4 Triple P), and waitlist control).

«Effect Sizes in Cluster - Randomized Designs.»

The design incorporated a large sample size and used a cluster randomized control trial, to take into account the clustering of students in schools.

To assess whether our cluster - randomized design was associated with substantial therapist - level variance, we evaluated 3 - level models that included nesting of youths within therapists.

Fortunately, conducting randomized trials over the decades, intervention researchers have produced numerous manual - guided, evidence - based treatments (EBTs) for depression, anxiety, and conduct in youth.2 Unfortunately, these treatments have not been incorporated into most everyday clinical practice.3 - 5 A common view is that the complexity and comorbidity of many clinically referred youths, whose problems and treatment needs can shift during treatment, may pose problems for EBT protocols, which are typically designed for single or homogeneous clusters of disorders, developed and tested with recruited youths who differ from patients seen in everyday clinical practice, and involve a predetermined sequence of prescribed session contents, limiting their flexibility.3 - 8 Indeed, trials testing these protocols against usual care for young patients in clinical practice have produced mixed findings, with EBTs often failing to outperform usual care.7, 9