Fig. 3From: Teaching natural selection in early elementary classrooms: can a storybook intervention reduce teleological misunderstandings?Patterns of student learning as evidenced by the percentage of participants who changed their global level of understanding from pretest to posttest. Level 1 = no isolated facts; Level 2 = isolated facts but no natural selection understanding; Level 3 = foundation for natural selection understanding; Level 4 = natural selection understanding in one generation; Level 5 = natural selection understanding for multiple generationsBack to article page