Introduction: from neo-Piagetian theories to working memory development studies / Pierre Barrouillet and Vinciane Gaillard -- A developmental theory of mental attention: its application to measurement and task analysis / J. Pascual-Leone and Janice Johnson -- Recent advances in relational complexity theory and its application to cognitive development / Glenda Andrews and Graeme S. Halford -- Processing efficiency, representational capacity, and reasoning: modeling their dynamic interactions / Andreas Demetriou and Antigoni Mouyi -- Working memory capacity and its role in cognitive development: are age differences driven by the same processes across the lifespan? / Anik de Ribaupierre, Delphine Fagot, and Thierry Lecerf -- New insights into an old problem: distinguishing storage from processing in the development of working memory / Nelson Cowan ... [et al.] -- Factors of working memory development: the time-based resource-sharing approach / Valérie Camos and Pierre Barrouillet -- Rehearsal and the development of working memory / Chris Jarrold and Helen Tam -- The influence of working memory growth on reading and math performance in children with math and/or reading disabilities / H. Lee Swanson -- Working memory in development: links with learning between typical and atypical populations / Tracy Packiam Alloway and Lisa Archibald -- Advances and issues: some thoughts about controversial questions / Pierre Barrouillet and Vinciane Gaillard.