About the Authors

Kelly M. Hennessey

Contributed equally to this work with: Kelly M. Hennessey, Scott Freeman

Roles Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

kellymaureen6@gmail.com

Affiliation Biology Department, University of Washington, Seattle, Washington, United States of America

Scott Freeman

Contributed equally to this work with: Kelly M. Hennessey, Scott Freeman

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

Affiliation Biology Department, University of Washington, Seattle, Washington, United States of America

Competing Interests

Scott Freeman (SF) began writing curriculum for an educational technology company (Codon Learning Inc.) based on the outcome of this project after the data collection and analysis and original manuscript preparation was complete. This does not alter our adherence to PLOS ONE policies on sharing data and materials.