J Can Chiropr Assoc 2025 (Nov); 69 (3): 238-254

Figure 5.

Proposed Strength of Evidence Pyramid for evaluating the strength of evidence in geoscience education research, reproduced and adapted from St. John and McNeal.³⁶ Originally published by the National Association of Geoscience Teachers (NAGT) and licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (CC BY-NC-SA 4.0). Changes were made to the original.