Participants
Data were collected between June 25 and July 21 in 2020. All of the investigators are 83 males and 194 females (N=277) with a different diploma and different professions. Among them, 253 are majority and 24 are ethnic (aging from 7 to 55), including 78 primary and secondary school students, 150 people hold a bachelor degree, 38 people master degree and 11 people doctoral degree from the eastern, central and western region of China, the geographic distribution features are also represented with random assigned.
Table 1 Demographic features of participants