Since the 1970s, cognitive psychological perspectives have dominated pedagogical frameworks and models for designing technology-mediated teaching and learning environments. More recently, social learning perspectives have received attention as viable or even desirable frames for research and practice related to teaching and learning, particularly in Web-based learning environments (WBLEs). In this article, the authors analyze these social learning perspectives and how they can be used in the design and implementation of online learning. This review and analysis of the research related to social learning perspectives on WBLEs provides several implications for future research and practice: (1) examining learners' individual characteristics in WBLEs, (2) identifying strategies for promoting social interaction in WBLEs, and (3) developing effective design principles for WBLEs. (Contains 1 table.)