The purpose of this article is to describe two studies that examined the effects of training and coaching on preservice teachers' implementation of an intervention focused on teaching play to young children with disabilities. A multiple-baseline across teachers single-case research design was used to systematically examine the relation between…

An intriguing error has been observed in toddlers presented with a 3-location search task involving invisible displacements of an object, namely, the C-not-B task. In 3 experiments, the authors investigated the dynamics of the attentional focus process that is suspected to be involved in this task. In Experiment 1, 2.5-year-old children were…