INTERNATIONAL JOURNAL OF EARLY YEARS EDUCATION Volume 21 Number 4 December 2013 SPECIAL ISSUE: CHILDREN’S PARTICIPATORY RESEARCH IN ACTION: CHALLENGES AND DILEMMAS GUEST EDITORS: DEBORAH HARCOURT AND COLETTE GRAY CONTENTS Editorial Action in children’s participatory research Deborah Harcourt and Colette Gray 265 Articles Unheard voices: the views of traveller and non-traveller mothers and children with ASD Colette Gray and Joanne Donnelly 268 Turning the UNCRC upside down: a bottom-up perspective on children’s rights Deborah Harcourt and Solveig Ha ¨gglund 286 Being part, being involved: the adult’s role and child participation in an early childhood learning context Luca Ghirotto and Valentina Mazzoni 300 Involving children in reflective discussions about their perceived self-efficacy and learning experiences Elina Ma ¨a ¨tta ¨ and Sanna Ja ¨rvela ¨ 309 Engaging children’s participation in and around a new music technology through playful framing Pernilla Lagerlo ¨f, Cecilia Wallerstedt and Niklas Pramling 325 Moving beyond utilitarian perspectives of infant participation in participatory research: film-mediated research encounters Sheena Elwick and Jennifer Sumsion 336 Siblings and buddies: providing expert advice about starting school Sue Dockett and Bob Perry 348 Children’s rights-based approaches: the challenges of listening to taboo/ discriminatory issues and moving beyond children’s participation Kristina Konstantoni 362