Cognitive stimulation and parental sensitivity in toddlers' homes: how do children and parents interact and how effective are trainings for parents? - Hertel, Silke; Eickhorst, Andreas; Kachler, Miriam; Zeidler, Nadine; Wolf, Katharina; Abrie-Kuhn, Marlis; Cierpka, Manfred (Early parenting and prevention of disorder, 2014)