Thornton, M., J. Williams, C. McCrory, A. Murray and A. Quail (2016). Growing Up in Ireland: Design, Instrumentation and Procedures for the Child Cohort at Wave Two (13 Years), Dublin: Department of Children and Youth Affairs, https://www.esri.ie/publications/growing-up-in-ireland-design-instrumentation-and-procedures-for-the-child-cohort-at