Edwards, Rhiannon Tudor; Jones, Carys; Berry, Vashti; … - In: Journal of Children's Services 11 (2016) 1, pp. 54-72
the cost-effectiveness of the Incredible Years (IY) BASIC parenting programme compared with a six-month waiting list … group-parenting programme. The primary outcome measure was the Strengths and Difficulties Questionnaire (SDQ), a measure of …