Acknowledgements Summary 1 Introduction 2 Theoretical and Methodological Foundations 2.1 Theoretical Framework: How to Theoretically Conceptualise Peer Groups as a Research Topic 2.1.1 Conceptualising the Term 'Peer Group': Everyday and Academic Perspectives 2.1.2 Conceptualising the Peer Group as a Multidimensional Collective 2.2 Methodological Approach: How to Empirically Investigate the Collectively Shared Perspectives of Peer Groups 2.2.

1 Group Discussion Method for Data Collection 2.2.2 Documentary Method for Data Analysis 3 Results: Collective Orientations, Spaces of Experience and Their Alignments 3.1 Collective Orientations of Peer Groups 3.1.1 The Group in Focus: Variants of Peer Groups 3.1.2 Five Orientations of Practice within Peer Groups 3.

1.3 Interim Conclusion and Implications for Sport Pedagogy 3.2 Conjunctive Spaces of Experience in School and Leisure 3.2.1 Conjunctive Spaces of Experience in School and PE 3.2.2 Conjunctive Spaces of Experience in Leisure and Recreational Sport 3.2.

3 Interim Conclusion and Implications for Sport Pedagogy 3.3 Unequal Alignments of collective Orientations and conjunctive Spaces of Experience 3.3.1 Socio-educational, Milieu-specific Alignments 3.3.2 Age-specific Alignments 3.3.3 Gender-specific Alignments 3.

3.4 Interim Conclusion and Implications for Sport Pedagogy 4 Conclusion and Outlook: Sport-pedagogical Contributions to Peer Group Research in School and Leisure 4.1 Conclusion on Peer Group Research 4.2 Outlook on Themes for Collective-centred Peer Group Research 5 References 6 Index.