Marzano (2003) identified 11 factors that positively influence student achievement. Those factors can be divided into three categories: school-level practices, teacher-level practices, and student-level characteristics. Interestingly, Marzano (2000) found that school- and teacher-level influences account for only 20% of the variance in student…

This paper examines relationships and interactions among the consumer (with a developmental disability), his or her family, and agency staff as they impact the consumer's life course and lifestyle. Approaches and activities to enhance effective relationships include setting policies that support these relationships, training staff with this…