The studies presented in this dissertation were funded by the Netherlands Organization for Scientific Research (NWO, The Hague, project no. 575-22-006). They were conducted at Maastricht University and at the Open University of The Netherlands in Heerlen. The conference presentations emerging from this project were financed by grants provided by NWO and the Limburg University Fund (SWOL). ecaus...

This study investigated the performance of piloting skills under two virtual training environments: immersive versus nonimmersive. Specifically in this paper, climbing and descending tasks while maintaining constant airspeed is reported. Results of experiments show performance differences with subjects under the nonimmersive virtual environment (NIVE) showing a consistent decrease in altitude e...

This article was acceptedjor publication April J2, J996 B asic counting skills are prerequisites to a variety of academic and vocational tasks as well as community survival skills (Baroody & Snyder, 1983; Spradlin, Corter, Stevens, & Friedman, 1974). Couming is often the only math skill required in jobs where persons with menral retardation seek employment (Chandler, 1978; Easterday, 1987). If ...

Studies show that soldiers’ mine detection capabilities with the PSS-12 hand-held metal detector are substandard and that their probabilities of detecting (PD) low-metal mines are dangerously low. Highly experienced PSS-12 operators, however, achieve PDs over 0.90 on highand low-metal anti-tank (AT) and anti-personnel (AP) mines. Significantly, experts’ detection techniques differ from conventi...

We present a feasibility study on using video visualization to aid snooker skill training. By involving the coaches and players in the loop of intelligent reasoning, our approach addresses the difficulties of automated semantic reasoning, while benefiting from mature video processing techniques. This work was conducted in conjunction with a snooker club and a sports scientist. In particular, we...