Fig. 3From: “Connecting concepts helps put main ideas together”: cognitive load and usability in learning biology with an AI-enriched textbookComparison of cognitive load levels between students using the hardcopy/E-book versus the AI-enriched book. ***Difference is sig. at the 0.001 level (2-tailed); **difference is sig. at the 0.01 level (2-tailed)Back to article page