Steven J. Zuiker
Steven J. Zuiker is a learning scientist whose research explores the mutual inﬂuences among principled designs of learning environment sandsocio-cultural condition
of learning communities. Address for correspondence : Dr Steven J. Zuiker, Department of Learning Sciences, Nanyang Technological University, 1 Nanyang Walk, Singapore639732, Singapore. Email: firstname.lastname@example.org
As a global cyberinfrastructure, the Internet makes authentic digital problem spaces likeeducational virtual environments (EVEs) available to a wide range of classrooms, schoolsand education systems operating under different circumstantial, practical, social and cultural conditions. And yet, if them.
EVEs both have a hand in what can be initially achieved and subsequently repeated, then replication is not only amatter of precise repeatability but also speciﬁc variation. In this light, the study enlists one EVE in order toexamine both classroom learning and educational research methodology. Two Singapore secondary school enactments of the
Taiga curriculum are compared withone another and with previously published US enactments. Statistically signiﬁcant learn-inggainspreciselyrepeatBarabandcolleagues’ﬁndingswhileclassroompracticesspeciﬁ-cally vary from its design narratives. Descriptions of the progressive development of Singapore enactments illustrate a methodological tack for understanding continuity andchangewithinSingaporeclassroomsandbetweenSingaporeandUSclassroomsasneces-sary functions of diversity. The juxtaposition of these analyses characterize tensionsbetween replication and implementation ﬁdelity and, in turn, frame EVEs as a tool forunderstanding and leveraging precise repeatability and speciﬁc variability of curricula.
As a global cyberinfrastructure, the internet makes authentic digital problem spaces like educa-tionalvirtualenvironments(EVEs)availabletoawiderangeof classrooms,schoolsandeducationsystems operating under different circumstantial, practical, social and cultural conditions. Andyet, while the reach of EVEs is global, the experience of them is inevitably local. In this view, theobjective technological features underlying these environments remain embedded in humanperspectives and pervasive background conditions (Rommetveit, 1998; Zuiker & Ang, 2011).Curricular designs and accompanying local conditions together with participants comprise aholistic learning ecology (eg, Cobb, diSessa, Lehrer, Confrey & Schauble, 2003). As such, aclassroom can be conceptualized as an interdependent social system in which nested subsystemsmutually inﬂuence one another. This study considers how such interplay presents both chal-lenges and opportunities that EVEs can productively engage.EVEs present unique affordances for learning and research. In a synthesis of recent literature,Mikropolous and Natis (2010) identify common technological characteristics featured in EVEs:
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