1. Department of Elementary and Early Childhood Education, Kennesaw State University, Kennesaw, Georgia 30144, United States
2. Applied Mathematics and Statistics, Stony Brook University, Stony Brook, New York 11794, United States
3. Human Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
4. Tennessee STEM Education Center, Middle Tennessee State University, Murfreesboro, Tennessee 37132, United States
5. Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States