Table 2.

The information of participant students and their parents

Primary school student	Parent	Year level	Region
Student Di	Parent Jia	Year Three (age 8)	Hohhot
Student Meng	Parent Wan	Year Two (age 7)	Wuhan
Student Tao	Parent Zhu	Year Five (age 11)	Qingdao
Student Mian	Parent Mao	Year Six (age 12)	Zhejiang
Student Yao	Parent Wang	Year Six (age 12)	Hohhot
Shanghai family		Year One	Shanghai
		The child and parents did not participate in the interview, but provided printed information of the Sky Class timetable