This chapter contains section titled: Summary Points A Framework for Methodological
Quality Dimensions of Internal Validity Empirical Evidence of Bias Dimensions of External …

Meta-analytic investigations sometimes use assessements of research qualityaccording to a
formal protocol as a tool for improving research synthesis. We asked whether a particular …

Assessing the quality of randomized controlled trials is a relatively new and important
development. Three approaches have been developed: component, checklist, and scale …

OBJECTIVE: To find if a particular quality score was better than others at validly scoring the
quality of randomized controlled trials, both by examining the consistency of dividing studies …

OBJECTIVE: Many reviews specifically aimed to assess the quality of randomized controlled
trials (RCTs). We evaluated the quality of reporting in such reviews. STUDY DESIGN AND …

The best evidence on the efficacy of medical interventions is provided by high-quality trials
summarized in high-quality systematic reviews or meta-analyses. The methodological …

Assessing the quality of randomized controlled trials (RCTs) is important and relatively new.
Quality gives us an estimate of the likelihood that the results are a valid estimate of the truth …

Objectives To describe how the methodological quality of primary studies is assessed in
systematic reviews and whether the quality assessment is taken into account in the …

OBJECTIVES: To assess whether the reported methodological quality of randomized
controlled trials (RCTs) reflects the actual methodological quality and to evaluate the …

It has been suggested that the quality of clinical trials should be assessed by blinded raters
to limit the risk of introducing bias into meta-analyses and systematic reviews, and into the …