Abstract
This dissertation identifies the advantages of the Problem-Based Learning (PBL) instructional strategy and acknowledges the limitations of classic laboratory education to support it. Multi-User Virtual Environments (MUVEs) like Second Life (SL) are 3D collaborative virtual environments that could act as complementary or alternative worlds for the implementation of PBL activities offering low cost, safe and always available environments. The aim of this dissertation was to design and empirically evaluate a simple PBL activity in both the real and virtual worlds, by carrying out a descriptive study (N=30) and a quasi-experimental study (N=150) with University students. The results showed that the MUVE provided similar learning outcomes, engagement, usability and satisfaction to the real world condition. SL is perceived as more pleasurable and informal learning environment than reality. Satisfaction is positively correlated with presence. The PBL activity tends to last longer in SL that in real world, mainly due to control procedures and reduced nonverbal communication, that also “impose” a more fragmented pattern of verbal communication.
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