Inappropriate behavior on school buses is a safety issue that concerns students, parents, and educators. There is potential for traffic-related injury, and the limited adult supervision on school buses often facilitates bullying and other infractions. This review identified peer-reviewed articles and dissertations evaluating behavioral…

Missing data are ubiquitous in studies examining preventive interventions. This missing data need to be handled appropriately for data analyses to yield unbiased results. After a brief discussion of missing data mechanisms, inappropriate missing data treatments and appropriate missing data treatments, we review the current state of missing data…

In education settings, treatments are often non-randomly assigned to clusters, such as schools or classrooms, while outcomes are measured for students. This research design is called the clustered observational study (COS). We examine the consequences of common support violations in the COS context. Common support violations occur when the…

The authors are grateful for this opportunity to respond to Robbins's and Turner's review of "Functional Family Therapy (FFT) for Behavior Disordered Youth Aged 10-18: An Overview of Reviews" (Weisman & Montgomery, 2018). It may be helpful to ensure that a few key points have been clarified to enable this process. In their paper,…

Case-mix heterogeneity across studies complicates meta-analyses. As a result of this, treatments that are equally effective on patient subgroups may appear to have different effectiveness on patient populations with different case mix. It is therefore important that meta-analyses be explicit for what patient population they describe the treatment…

Monitoring of clinical trials is important to ensure adherence to protocol, to safeguard the rights of research participants and to achieve compliance with principles of good clinical practice. Recent regulatory changes in India require Ethics Committees to keep an oversight of ongoing clinical trials including on-site monitoring. In this article,…

Weisman and Montgomery completed an overview of reviews to evaluate the status of research concerning functional family therapy (FFT). Despite reporting modest effects on delinquency, substance use, and secondary outcomes, the authors conclude that the research base supporting FFT is tenuous and that it "may not be advisable to continue…

Single-case researchers frequently adopt a form of response-guided experimentation where decisions about the design of the study are made based on an ongoing visual analysis. For example, multiple-baseline researchers may delay the start of intervention until data document a stable baseline pattern so that baseline trends can be reliably extended,…

Background: Stratified medicine seeks to identify patients most likely to respond to treatment. Individual participant data (IPD) network meta-analysis (NMA) models have greater power than individual trials to identify treatment-covariate interactions (TCIs). Treatment-covariate interactions contain "within" and "across" trial…

Recently, the number of regression models has dramatically increased in several academic fields. However, within the context of meta-analysis, synthesis methods for such models have not been developed in a commensurate trend. One of the difficulties hindering the development is the disparity in sets of covariates among literature models. If the…

Meta-analyses in orphan diseases and small populations generally face particular problems, including small numbers of studies, small study sizes and heterogeneity of results. However, the heterogeneity is difficult to estimate if only very few studies are included. Motivated by a systematic review in immunosuppression following liver…

Temporal changes in magnitude of effect sizes reported in many areas of research are a threat to the credibility of the results and conclusions of meta-analysis. Numerous sequential methods for meta-analysis have been proposed to detect changes and monitor trends in effect sizes so that meta-analysis can be updated when necessary and interpreted…

School practitioners and educators are frequently challenged by the diverse and pervasive academic and behavioral needs of children at risk for and with attention-deficit hyperactivity disorder (ADHD). This paper examines the outcome literature on self-regulated learning (SRL) interventions for youth with ADHD by systematically reviewing the key…

This study aimed to critically review all studies that have set out to evaluate the use of eye movement desensitization and reprocessing (EMDR) for people diagnosed with both intellectual disability (ID) and post-traumatic stress disorder (PTSD). Searches of the online databases Psych Info, The Cochrane Database of Systematic Reviews, The Cochrane…

There are few high-quality studies using randomized controlled trials (RCTs) in the adventure and wilderness therapy literature. Thus, a unison call is heard for more such studies to be carried out. This article presents a Norwegian wilderness therapy research project that planned to incorporate this "gold standard" that is regarded as…