Fig. 3From: Using human case studies to teach evolution in high school A.P. biology classroomsComparisons of ACORNS and GAENE effect sizes for the curriculum mini-units. Darker grey bars indicate pre-unit scores, and medium grey bars indicate post-unit scores. A single star indicates the teacher used CRS Classroom Activity 1. A double star indicates the teacher used CRS Classroom Activity 2Back to article page