Funding for this research was provided by:
William T. Grant Foundation (18107)
Spencer Foundation (201400182)
Fetzer Institute (N/A)
Mind and Life Institute (N/A)
Impact on Education (N/A)
Portland State University (N/A)
Institute of Education Sciences (R305B090007)
First Online: 16 June 2020
Compliance with Ethical Standards
: The fifth author co-developed and implemented the program assessed in this study. The remaining authors declare no conflicts of interest.
: All procedures were in accordance with the ethical standards of the institutional review board at Portland State University and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.