Funding for this research was provided by:
National Research Foundation of Korea Grant (NRF-2017S1A2A2039405)
College of Education Undergraduate Research Grant, Mississippi State University (N/A)
Article History
First Online: 10 January 2019
Compliance with Ethical Standards
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from individual participants without intellectual disabilities and all parents/guardians of individual participants with intellectual disabilities included in the study.
: The authors have no conflicts of interest to declare in reference to this work.