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Gee sees the current U.S. educational system as inadequate to the task of addressing the problems of an increasingly complex world. He stated that “21st century learning must be about understanding complex systems,” and he believes many video games do a better job at this than the antiquated sender-receiver teaching model that dominates American classrooms.

“This is an alternative learning system that teaches more effectively than most schools,” Gee observed. “We need to learn how to organize a learning, passion system community. Game designers know how to do this.”

Passion communities encourage and enable people of all ages to do extraordinary things. Gee believes the 'amateur knowledge' that arises from this immersive involvement often surpasses 'expert knowledge,' and cited fantasy baseball as an example. The boundaries between the 'fantasy' game and the 'real' game have been blurred because fantasy players' expertise in statistical analysis has had a measurable impact on how MLB teams evaluate players.

There were fantastic opportunities to chat with other avatars about the course content, view videos and PowerPoint presentations. One of the really unique features to taking a course in Second Life was the ability to facilitate small group work. At points during the course we were sent away to another level in the sky to work collaboratively on a task before feeding back to the rest of the group. We didn’t hear other groups and they didn’t hear us

My experience was extremely positive. Having attended many courses in real life over the years, and having also attended many meetings and other events using technologies such as video conferencing and instant messaging, I can honestly say that Second Life is an extremely effective mechanism for use in training.

The course consisted of PowerPoint presentations, content delivery by speaker, watching videos and also discussion, both as a whole group and in small groups. In the latter, the discussion documents were edited and shared by all the people taking part.

Advantages of Second Life over web-conferencing

Experience - whereas video is a one-way, passive experience, SL is a group one. This is a completely different dynamic, if the presentation makes use of it. If they just passively show a video, they might as well be on the web. Think of it, when done well, as comparing sitting in a movie vs at a comedy show where the audience can yell out comments that are instantly worked into the skit. Collaboration - participants get a completely different experience when they 'see' each other. It is more involving and interactive. This gives the speaker a chance to gather instant feedback, adjusting the presentation on the fly. There is even software for SL that allows participants to give feedback at specified times via their keyboard. Also, we find that "leaders" emerge in virtual focus groups, who often bring out information from others but don't dominate as they might in a "real" focus group. Screening - starting with a larger group, sub-groups can be created based on criteria such as beginners, those giving great feedback, gender, etc. These avatars can be instantly transported into other prepared rooms or SL environments for follow up, further Q&A, take a tour, etc. Also, participants can click on each other's profiles and learn about each other, something many like to do.

Spatiality - in a three-dimensional space people can move, and use proximity and distance to each other or to objects (for example for group building, voting by feet, to 'physically' separate collaboration tasks from one another, or just to non-verbally communicate preferences). In video conferencing, all you see is somebody else's mimics. There is no concept of space at all - which is crucial, however: remember Nonaka's Ba. Embodiment - being virtually embodied as an avatar can augment the feeling of co-presence, the feeling of being there together with your colleagues, peers, or collaboration team, etc. Directing your virtual representation, you visualize where your attention is at every point in time. In a video conference, nobody knows if you are paying attention or just looking at a totally different application on your screen. Configurability and scriptability - a virtual world can be more than a container for space, physics and avatars. Realized as a reactive, interactive and maybe even intelligently behaving environment it can harbor, support, and augment rich user experiences.

Role-playing doctor inside Second Life? Faculty of Medicine at Imperial College London has developed a region in Second Life that aims to design game-based learning activities for delivery of virtual patients that can drive experiential, diagnostic, and role-play learning activities supporting patients’ diagnoses, investigations and treatment. One of my Twitter friends, Andrea Vascellari, thinks this is a “terrific example that demonstrates the value of virtual worlds like Second Life” and is interested in other folk’s thoughts after watching this video: