Background: While implementation studies in aphasia management have shown promising improvements to clinical practice, it is currently unknown if aphasia implementation outcomes are sustained and what factors may influence clinical sustainability. Aims: To evaluate the sustainment (i.e., sustained improvement of aphasia management practices and…

We present an aggregation scheme that increases power in randomized controlled trials and quasi-experiments when the intervention possesses a robust and well-articulated theory of change. Intervention studies using longitudinal data often include multiple observations on individuals, some of which may be more likely to manifest a treatment effect…

Scores derived from intelligence instruments predict many important outcomes in life, so it is not surprising that researchers and clinicians seek out interventions aimed at increasing these scores. Dixon et al. (J Behav Educ, 2019. https://doi-org.bibliotheek.ehb.be/10.1007/s10864-019-09344-7) recently investigated the relation between instruction based on…

General and long-term outcomes of functional analysis training have not yet been reported. Within a randomized control trial, we trained 18 behavior analytic practitioners to interview caregivers, design and then conduct a personalized analysis as a part of a practical functional assessment (PFA). Participants were randomly assigned to groups, and…

This parallel group randomized controlled trial tested effectiveness of the Let's Talk About Pain training on respite workers' (RW) pain-related knowledge and feasibility-confidence-skill ratings using between-group and within-group analyses. Fourteen children's respite organizations were randomized to pain or control training. Participants…

Background: Knowing which theoretical constructs work best to design effective interventions is essential for populations with increased disease burden. African American women (AAW) experience a greater prevalence of chronic diseases and fewer benefits from weight loss interventions compared to White women. Purpose: To examine how theoretical…

This paper reviews research on the design and effectiveness of preschools in the United States. Three randomized controlled trials that enrolled roughly 350 total children in demonstration studies during the 1960s and 1970s shape much of the current discussion of preschool. We examine what these studies and more recent ones based on random…

We searched the Cochrane Central Register of Controlled Trials to provide an overview of evidence from randomized controlled trials (RCTs) of therapeutic interventions for autism spectrum disorders. From the final survey (529 RCTs), the mean size was 49 participants (standard deviation 50, range 1-479, median 36, mode 40), with a sharp increase in…

Cost-utility analyses are slowly becoming part of randomized control trials evaluating physical and mental health treatments and (preventive) interventions in child and adolescent development. The British National Institute of Health and Care Excellence, for example, insists on the use of gains in Quality Adjusted Life Years (QALYs) to compute the…

Despite the increase in federal tiered evidence initiatives that require the use of rigorous evaluation designs, such as randomized experiments, there has been limited guidance in the evaluation literature on practical strategies to implement such studies successfully. This paper provides lessons learned in executing experiments in applied…

Background: A total of 68% of pre-school children with cleft palate have speech problems requiring speech therapy. There is a lack of access to regular targeted therapy. Parent training leads to positive outcomes in early communication skills in cleft palate and non-cleft speech disorders. Connected health has been used to address inadequate…

There are many paradigms available to address the unique and complex problems introduced with parallel programming. These complexities have implications for computer science education as ubiquitous multi-core computers drive the need for programmers to understand parallelism. One major obstacle to student learning of parallel programming is that…

Social stories is a widely used intervention for children on the autism spectrum, particularly within an educational context. To date, systematic reviews and meta analyses of the research evaluating social stories has produced mixed results, often due to a lack of methodological rigour and variability in the development and delivery of the social…

Our research team worked with Wake Technical Community College to evaluate an intervention to redesign the delivery of a set of introductory online courses. To obtain unbiased estimates of the treatment effects of the intervention, we conducted a randomized control trial in which students who enrolled in the study courses were assigned randomly to…

Background: The purpose of this study was to investigate the patterns of objectively measured sedentary behaviour in adults with intellectual disabilities. Methods: Baseline accelerometer data were pooled from two randomized controlled trials of lifestyle behaviour change programmes for adults with intellectual disabilities. Patterns of sedentary…