Interactive computer simulations with complex representations and sophisticated graphics are a relatively new addition to the classroom, and research in this area is limited. We have conducted over 275 individual student interviews during which the students described what they were thinking as they interacted with simulations. These interviews…

With the advances in computational power, Internet access and speed, and graphical 3D reproductions possible on an "ordinary" home computer, and with the development of new software products that place the ability to create new digital content in the hands of "ordinary" people, everyone is beginning to see in virtual worlds emergent behaviors that…

Despite its image as an all-American city, downtown Peoria, Illinois, home of Bradley University, is also a place of strip clubs and violent crime. For undergraduates, it's a risky environment in which to conduct field research. Edward Lamoureux, an associate professor in Bradley's multimedia program, saw a better place in the virtual world Second…

The technology is simple: Mobile technologies such as handheld computers and global positioning systems work in sync to create an alternate, hybrid world that mixes virtual characters with the actual physical environment. The result is a digital simulation that offers powerful game-playing opportunities and allows students to become more engaged…

This paper presents a research study carried out to support and structure virtual interaction among university students that may trigger collaborative knowledge construction in the Web, supported by a CSCL system called KnowCat. Three characteristics of the KnowCat system are relevant to our educational purpose: firstly, students can share and…

In an attempt to prepare new graduate nurses to meet the demands of health care delivery systems, the use of computer-based clinical information systems that combine hands-on experience with computer based information systems was explored. Since the introduction of Electronic Medical Records (EMR) nearly two decades ago, the demand for nurses to…

Background: Numerous surveys, articles, ephemera and online information sources indicate that "Second Life" has been the predominant virtual world, for educational purposes, in UK universities for the latter half of the 2000s. However, the infrastructure required to operate "Second Life" presents a number of technical concerns…

The following article discusses an educational simulation created within Second Life (SL) in order to assist pre-service teachers (PSTs) in gaining more experience managing student behavior. The article discusses the development, implementation, and assessment of the simulation as well as student data on the feasibility of the approach in…

This study compared the performance of the LOGIST and BILOG computer programs on item response theory (IRT) based scaling and equating for the Test of English as a Foreign Language (TOEFL) using real and simulated data and two calibration structures. Applications of IRT for the TOEFL program are based on the three-parameter logistic (3PL) model.…

The Internet usage has been increasing among persons in the worldwide. This situation highlights that the number of potential distance learners has been increasing in the Internet society. Besides, the terms and concepts of the Internet environments become to be spread out in this society like virtual reality. It is also possible to explain the…

By having subjects drive a virtual taxicab through a computer-rendered town, we examined how landmark and layout information interact during spatial navigation. Subject-drivers searched for passengers, and then attempted to take the most efficient route to the requested destinations (one of several target stores). Experiment 1 demonstrated that…

Embedded systems are increasingly pervasive, and the creation of reliable controlling software offers unique challenges. Embedded software must interact directly with hardware, it must respond to events in a time-critical fashion, and it typically employs concurrency to meet response time requirements. This paper describes an innovative course…

The analysis of interaction among latent variables has received much attention. This article introduces a Bayesian approach to analyze a general structural equation model that accommodates the general nonlinear terms of latent variables and covariates. This approach produces a Bayesian estimate that has the same statistical optimal properties as a…

Web3D open standards allow the delivery of interactive 3D virtual learning environments through the Internet, reaching potentially large numbers of learners worldwide, at any time. This paper introduces the educational use of virtual reality based on Web3D technologies. After briefly presenting the main Web3D technologies, we summarize the…

Differences between per experiment (PE) and experimentwise (EW) error rates were studied through simulation for several multiple-comparison procedures for both pairwise comparisons and planned contrasts. Results suggest ways to control PE rates through new multiple-comparison procedures that maximize experimental power while controlling Type I…