The purpose of this article is to extend the discussion of issues currently being debated on the need for more rigorous program evaluation in educational and other sectors of research, to the field of international development evaluation, reviewing the different approaches which can be adopted to rigorous evaluation methodology and their…

Several groups of prevention scholars and practitioners have recently worked independently and simultaneously to identify and disseminate guidelines for effective prevention and health promotion, reaching remarkably similar conclusions. The authors argue that community-based collaboration is an overarching best practice in prevention because it is…

Our standard secondary model of adding standardized educational components to passive students has outlived its worth. A more sculptural metaphor may be of assistance: the idea of removing that which is not essential, of finding and bringing forth the essence of those who come before us.

A simple proof to some known results on the convergence of linear recursive sequences with nonnegative coefficients is given, using the technique of monotone convergence.

The UK educational assessment landscape is changing, characterised by attempts to create more flexible pathways through learning. This has led to attempts to formalise the comparative relationships between different general and vocational qualifications. The National Qualifications Framework (NQF), the Framework for Achievement and the Framework…

This article started as a debate between the two authors. Both authors present a series of propositions about quality standards in education research. Cook's propositions, as might be expected, not only concern the importance of experimental trials for establishing the security of causal evidence, but also include some important practical and…

In this quasi-experimental study, 142 fifth and sixth grade students at a suburban elementary school in Northwest Washington State participated in a week-long, 10-hour project using the "LEGO Mindstorms Robotics Invention System" (RIS). Partners constructed and programmed one robot from visually-based LEGO instructions and a second of…

The quantity and quality of research and scholarship is a key indicator of the status of knowledge in a given discipline. Through academic publications, researchers disseminate the discipline's findings and accomplishments. For both new and old members in a discipline, being aware of what is being published in the major journals helps them…

A necessary and sufficient condition is found for a linear recursive sequence to be convergent, no matter what initial values are given. Its limit is also obtained when the sequence is convergent. Methods from various areas of mathematics are used to obtain the results.

This issue of "Bilingualism: Language and Cognition" is about convergence, a type of language change that is contact-induced and results in greater similarity between two languages that are in contact with each other. In Backus (forthcoming), I have attempted an overview of contact-induced language change, focusing on causal factors, on mechanisms…

Understanding complex systems is fundamental to understanding science. The complexity of such systems makes them very difficult to understand because they are composed of multiple interrelated levels that interact in dynamic ways. The goal of this study was to understand how experts and novices differed in their understanding of two complex…

The present study integrates findings from three lines of research on the association of social cognition and externalizing psychopathology, language and externalizing psychopathology, and social cognition and language functioning using Structural Equation Modeling (SEM). To date these associations have been examined in pairs. A sample of 354…

We discuss the problem of autism-specific special education programs representing themselves as Applied Behavior Analysis (ABA) programs when the only ABA intervention employed is Discrete Trial Teaching (DTT), and often for limited portions of the school day. Although DTT has many advantages to recommend its use, it is not well suited to teach…

In this article, the authors proposed a distillation and matching model (DMM) that describes how evidence-based treatment operations can be conceptualized at a lower order level of analysis than simply by their manuals. Also referred to as the "common elements" approach, this model demonstrates the feasibility of coding and identifying the…

Robert Stevenson identified four behavioural and programmatic regularities that have inhibited the implementation of environmental education as envisioned by the framers of the Belgrade Charter and Tbilisi Declaration. These include the presentation of standardised knowledge associated with established disciplines, reliance on teachers as primary…