In this paper, we investigate racial diversity in avatar design and public discussions about race within a large-scale tween virtual world called Whyville.net, with more than 1.5 million registered players of ages 8-16. One unique feature of Whyville is the player's ability to customize their avatars with various face parts and accessories, all designed and sold by other players in Whyville. Our findings report on the racial diversity of available resources for avatar construction and online postings about the role of race in avatar design and social interactions in the community. With the growing interest in player-generated content for online worlds such as Teen Second Life, our discussion addresses the role of avatars in teen/tween identity development and self-representation, and the role of virtual entrepreneurs and community activists in increasing the diversity of avatar parts available.

In this article, we examine the use of electronic textiles (e-textiles) for introducing key computational concepts and practices while broadening perceptions about computing. The starting point of our work was the design and implementation of a curriculum module using the LilyPad Arduino in a pre-AP high school computer science class. To understand students' learning, we analyzed the structure and functionality of their circuits and program code as well as their design approaches to making and debugging their e-textile creations and their views of computing. We also studied students' changing perceptions of computing. Our discussion addresses the need for and design of scaffolded challenges and the potential for using crafts materials and activities such as e-textiles for designing introductory courses that can broaden participation in computing. . 2014. A crafts-oriented approach to computing in high school: Introducing computational concepts, practices, and perspectives with electronic textiles.

Prior studies have shown how knowledge diffusion occurs in classrooms and structured small groups around assigned tasks yet have not begun to account for widespread knowledge sharing in more native, unstructured group settings found in online games and virtual worlds. In this paper, we describe and analyze how an insider gaming practice spread across a group of tween players ages 9-12 years in an after-school gaming club that simultaneously participated in a virtual world called Whyville.net. In order to understand how this practice proliferated, we followed the club members as they interacted with each other and members of the virtual world at large. Employing connective ethnography to trace the movements in learning and teaching this practice, we coordinated data records from videos, tracking data, field notes, and interviews. We found that club members took advantage of the different spaces, people, and times available to them across Whyville, the club, and even home and classroom spaces. By using an insider gaming practice, namely teleporting, rather than the more traditional individual person as our analytical lens, we were able to examine knowledge sharing and diffusion across the gaming spaces, including events in local small groups as well as encounters in the virtual world. In the discussion, we address methodological issues and design implications of our findings.

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