The Technology Integration Matrix (TIM) was created to provide a resource for evaluating technology integration in K-12 instructional settings, and as a tool for helping to target teacher-related professional development. The TIM is comprised of 5 characteristics of meaningful learning (Active, Constructive, Authentic, Collaborative, and Goal-Directed) and 5 levels (Entry, Adoption, Adaptation,
... [Show full abstract] Infusion, and Transformation), resulting in 25 cells. Within each cell, descriptions are provided, along with video sample lessons from actual math, science, social studies, and language arts classrooms that illustrate a characteristic at the indicated level. Throughout development, focus groups and interviews were conducted with in-service teachers and technology specialists to validate the progression of characteristics and descriptive components.