Building foundational skills in the early years for the later development of self-determination in adulthood for individuals with disabilities is important in the United States, but little research has been conducted to examine whether these skills are as important in other countries. In this phenomenological study, seven family interviews were…

This paper introduces Causal Agency Theory, an extension of the functional model of self-determination. Causal Agency Theory addresses the need for interventions and assessments pertaining to selfdetermination for all students and incorporates the significant advances in understanding of disability and in the field of positive psychology since the…