Purpose: Listening is the gateway to learning in the mainstream classroom; however, classrooms are noisy environments, making listening challenging. Therefore, speech-in-noise tests that realistically incorporate the complexity of the classroom listening environment are needed. The aim of this article was to review the speech stimuli, noise…

We conducted a meta-analysis of 13 instructional arrangement studies that were conducted with children with autism spectrum disorders to improve academic and social communication skills and behavior. Results across the studies indicate that peer-mediated instructional arrangement is a robust method for teaching and improving various academic and…

Over the past decade postsecondary education has been moving increasingly from the classroom to online. During the fall 2010 term 31 percent of U.S. college students took at least one online course. The primary reasons for the growth of e-learning in the nation's colleges and universities include the desire of those institutions to generate…

Systematic reviews and meta-analysis are techniques for synthesizing primary empirical studies to produce a summary of effects. To facilitate this goal, the Campbell Collaboration (C2) supports reviews within the disciplines of crime and justice, education, international development, and social welfare. At the annual Campbell Colloquium, experts…

Today's language classroom is vastly different from that of the mid- to late 20th century. The study is a meta-analysis of recent research which provided the means to identify current and emerging trends in the field. Informed by this research, some identified trends that are shaping the 21st century language classroom are outdated practices such…

One of the main objectives in meta-analysis is to estimate the overall effect size by calculating a confidence interval (CI). The usual procedure consists of assuming a standard normal distribution and a sampling variance defined as the inverse of the sum of the estimated weights of the effect sizes. But this procedure does not take into account…

Meta-analytic reliability generalizations (RGs) are limited by the scarcity of reliability reporting in primary articles, and currently, RG investigators lack a method to quantify the impact of such nonreporting. This article introduces a stepwise procedure to address this challenge. First, the authors introduce a formula that allows researchers…

For decades a substantial body of research on teacher reflection and action has been conducted. This research contains a wealth of information on teachers' thinking about their daily work in classrooms. But what do these studies tell us about the linkage between thought and action in actual teaching? How do they contribute to our understanding, or…

The annual report presents 1987 activities of the Transition Institute at the University of Illinois which was contracted to assist in evaluating and extending the federal initiative relating to educational and employment difficulties experienced by young people with disabilities. Briefly reported are activities related to the contracted tasks of…

This introduction to meta-analysis uses examples of data reported for normal-hearing students, hearing-impaired students, and a comparison of the significance of the difference between the two. The analysis shows instruction in thinking strategies (metacognition) to be an appropriate classroom technique for improving learning with normal-hearing…

This paper reviews meta-analysis procedures and several meta-analysis findings related to science teachings. Several generalizations are offered, one which indicates that instructional techniques which help students focus on learning (preinstructional strategies, increased structure in verbal content of materials, use of concrete objects) are…

This volume offers a systematic review of the literature on communication education and instruction. Making meta-analysis findings accessible and relevant, the editors of this volume approach the topic from the perspective that meta-analysis serves as a useful tool for summarizing experiments and for determining how and why specific teaching and…

A review of 25 studies found that demonstrations of successful generalization of skills by persons with profound mental handicaps were characterized by: several trained exemplars, trained behaviors likely to be reinforced in natural settings by natural consequences, use of training stimuli common to the generalization setting, and training in…

A meta-analysis of 53 studies on social skills training of children with learning disabilities found a mean effect size of only 0.211, with few differences among teachers, peers, or children themselves who judged the effectiveness of the training. Discussion focuses on possible links between learning disabilities and social skills that might…

Monte Carlo studies explored the sampling characteristics of Cohen's d and three approximations to Cohen's d when used as average effect size measures in meta-analysis. Reviews of 10, 100, and 500 studies (M) were simulated, with degrees of freedom (df) varied in seven steps from 8 to 58. In a two independent groups design, samples were obtained…