Figure 3From: Diffusion of research-based instructional strategies: the case of SCALE-UPSCALE-UP departments in existence, by discipline. The 2013 survey asked respondents how long SCALE-UP had been used in their department with options: more than 6Â years, 4 to 6Â years, 1 to 3Â years, and less than 1Â year.Back to article page