Part I: Foundations of CSCL.- History of CSCL/Development of the Field.- Contexts of CSCL.- Methods of CSCL.- Theories of CSCL.- Assessment, Outcomes, and Transfer of Learning in CSCL.- Emerging Areas for CSCL.- Part II: Collaborative Processes.- Communities and Participation.- Social Media, Massive Scale Learning and MOOCs.- Group Formation and Roles.- Argumentation and Knowledge Construction.- Dialogism.- Trialogical learning: object-oriented collaboration.- Knowledge building.- Group Awareness.- Metacognition in collaboration.- Analysis of Group Practices.- Part III: CSCL Technologies.- Technology Effects and Affordances.- Scripts: Adapting, Fading, and Deepening.- Interactive Surfaces: Both Stationary and on the Move.- Virtual Worlds and Game Based Learning Spaces, Epistemic games.- Immersive Environments: Learning in Augmented + Virtual Reality.- Learning Analytics in Collaborative Learning.- Representational Paradigms and Affordances for Collaboration.- Robots and Agents to Support Learning.- Tools and Resources for Setting up Collaborative Spaces.- Part IV: Research Methods and Methodologies.- Experimental and Quasi-Experimental Approaches.- Design-Based Research.- Case Studies, Ethnographic and Phenomenological Approaches.- Statistical and Temporal Analysis in CSCL.- Multivocality Approach.- Video Analysis in CSCL.- Artifact Analysis.- Finding Meaning in Log-File Data.- Gesture and Gaze: Multimodal Data in CSCL.- Language: Quantitative Approaches to Language in CSCL.- Language: Qualitative Approaches to Language in CSCL.