This study evaluated preservice teachers' professional-knowledge transformation while they participated in simulated professional-development activities via a "Second Life" virtual classroom--an Internet-based multiuser virtual environment (MUVE). While a cohort of preservice teachers experienced the MUVE environment, the instrumental exploratory…

Citizen science is a term used to describe the engagement of ordinary citizens in scientific tasks like observation, measurement, and computation. A series of technological innovations, such as the Internet, the upgrade of mobile phones from communication devices to networked mobile personal measurement devices, and the introduction of…

The V-SPACE project equipped English teachers with iPads as tools to create and maintain virtual spaces for their students. Teachers learned effective ways to integrate technology with English content while strengthening technological knowledge and pedagogical skills. In a summer institute, 29 high school teachers were trained, using their iPads,…

Recent years have seen an explosion in the use of information and communications technologies (ICTs), which have come to play an increasingly important role in multiple aspects of daily lives. There is an unprecedented expansion of the information available online and existing in an ever more interconnected world; however, this change has been so…

Prior research has established an executive function advantage among bilinguals as compared to monolingual peers. These non-linguistic cognitive advantages are largely assumed to result from the experience of managing two linguistic systems. However, the possibility remains that the relationship between bilingualism and executive function is…

In recent years, an increasing number of analyses in Learning Analytics and Educational Data Mining (EDM) have adopted a "Discovery with Models" approach, where an existing model is used as a key component in a new EDM/analytics analysis. This article presents a theoretical discussion on the emergence of discovery with models, its…

In DIF studies, a Type I error refers to the mistake of identifying non-DIF items as DIF items, and a Type I error rate refers to the proportion of Type I errors in a simulation study. The possibility of making a Type I error in DIF studies is always present and high possibility of making such an error can weaken the validity of the assessment.…

This study explored how educational technology development leaders can facilitate increased collaboration between the instructional design and development team and faculty member experts when developing games and simulations. A qualitative, case study method was used to analyze interviews and documents, and Web postings related specifically to…

This dissertation develops analytical tools which enable rigorous evaluation of competing syllabic parses on the basis of temporal patterns in speech production data. The data come from the articulographic tracking of fleshpoints on target speech organs, e.g., tongue, lips, jaw, in experiments with native speakers of American English and Moroccan…

This study examines the facilitative effects of embodiment of a complex internal anatomical structure through three-dimensional ("3-D") interactivity in a virtual reality ("VR") program. Since Shepard and Metzler's influential 1971 study, it has been known that 3-D objects (e.g., multiple-armed cube or external body parts) are visually and…

Growth modeling using longitudinal data seems to be a promising direction for improving the methodology associated with the accountability movement. Longitudinal modeling requires that the measurements of ability are comparable over time and on the same scale. One way to create the vertical scale is through concurrent estimation with…

This report provides an overview of what was known about alternative assessment at the time that the article was written in 1991. Topics include beliefs about assessment reform, overview of alternative assessment including research knowledge, evidence of assessment impact, and critical features of alternative assessment. The author notes that in…

This study uses simulation techniques to examine the statistical power of the group- randomized design and the matched-pair (MP) randomized block design under various parameter combinations. Both nearest neighbor matching and random matching are used for the MP design. The power of each design for any parameter combination was calculated from…

In measurement research, data simulations are a commonly used analytical technique. While simulation designs have many benefits, it is unclear if these artificially generated datasets are able to accurately capture real examinee item response behaviors. This potential lack of comparability may have important implications for administration of…

In this article, the authors reflect on the question why simulation games are such an effective tool for learning. The article is based on the authors' experience and that of many other practitioners in the field. The article posits that it is the confluence of systemic knowledge, practice, emotional involvement, and social embeddedness that…