Li, Liang http://orcid.org/0000-0002-1688-1143
Disney, Leigh http://orcid.org/0000-0002-5633-5673
Article History
Received: 3 November 2020
Revised: 9 February 2021
Accepted: 12 February 2021
First Online: 17 March 2021
Declarations
:
: Monash University Human Research Ethics Committee (Project ID:18835) and the Department of Education and Early Childhood Development (Project ID: 2019-004013), Victoria, in Australia granted ethic approval for the project.
: The informed consent was provided by family, teachers, and directors of the early learning centre for the use of collected data for research and educational purpose.
: The authors declare that they have no conflict of interest.