Purpose: One challenge to the design and delivery of effective vocabulary intervention is the selection of vocabulary targets. The purpose of this study was to examine the relation of word characteristics to vocabulary learning from explicit vocabulary intervention. Method: This study was a secondary analysis of data from two recent efficacy…

In order to comprehend complex and abstract phenomena, students must partake in the process of learning by integrating complex and invisible components without ever physically encountering or manipulating such components. Prior knowledge and experiences will influence the way students assimilate and model new experiences and knowledge. If prior…

This article presents a model for understanding the development of visual perception from a dynamic systems theory perspective. It contrasts to a hierarchical or reductionist model that is often found in the occupational therapy literature. In this proposed model vision and ocular motor abilities are not foundational to perception, they are seen…

This article outlines two compatible models of planning and implementing programs for students with autism spectrum disorders (ASD). The Ziggurat Model begins the process with an assessment of student strengths and concerns related specifically to ASD and identifies interventions across five tiers that match these strengths and concerns: (a)…

Attention in this essay is given to Lowenfeld's theory of the distinction between visual and haptic experience and its influence on his theory of creative self-expression. (Author/RK)