Funding for this research was provided by:
National Science Foundation (DRL-1222869, DRL-141418136)
Text and Data Mining valid from 2019-06-05
Received: 9 October 2018
Accepted: 27 May 2019
First Online: 5 June 2019
Ethics approval and consent to participate
: Prior to conducting research with teachers and students, the team received approval from the University of Utah’s Institutional Review Board (IRB #085654). Written informed consent was obtained from all participating teachers and from students in school districts or schools with consent requirements.
: The authors declare that they have no competing interests.