Funding for this research was provided by:
Division of Information and Intelligent Systems (1523091)
Division of Research on Learning in Formal and Informal Settings (1235958)
Received: 15 January 2018
Accepted: 16 August 2018
First Online: 26 September 2018
Ethics approval and consent to participate
: Before the study, participants read and signed an agreement to participate. They were informed that they were free to withdraw at any time. All materials and forms were approved by the Institutional Review Board for the Protection of Human Subjects of both universities.
: Participants read and signed a data release form permitting the use of their data for publication as examples of data output. This form was voluntary. All materials and forms were approved by the Institutional Review Board for the Protection of Human Subjects of both universities.
: The authors declare that they have no competing interests.
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