AUTHOR=Kalman Calvin S. , Lattery Mark TITLE=Editorial: Development of Student Understanding: Focus on Science Education JOURNAL=Frontiers in Psychology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2019.02861 DOI=10.3389/fpsyg.2019.02861 ISSN=1664-1078