Figure 2. Average pre- and post-lab quiz scores. Error bars represent the standard error of the mean. N=63 for Meredith College and N=53 for NC State

From

Atomic Structure and Isotope Abundance: An Activity for General Chemistry

Cassandra P. Lilly, Ana Ison, Alexandra B. Ormond, Barbara Diamond

World Journal of Chemical Education. 2024, 12(4), 87-92 doi:10.12691/wjce-12-4-3