Description of Social contribution 
Function	Promoting communication, enjoyment, social capital	
Relevance	Belongingness, commitment, harmony, trust	
Target	Youth	
Respondent	Youth	
Feature	6 items in 5-point rating scale	
Reliability	.846	
References	Ngai, Steven Sek-yum, Chau-kiu Cheung, and Chi-tat Chan. 2019. Report of Cyber Youth Outreach. Hong Kong, China: Boys & Girls’ Club Association, Caritas Hong Kong, and Hong Kong Federation of Youth Groups.	

Scoring of Social contribution
Response	No	Rather little	Average	Rather a lot	Very much	
Score for Items 1 –3, 5, 6	0	25	50	75	100	
Score for Items 4	100	75	50	25	0	

Scale score: average of item scores	Action	
70-100	Appreciation	
30-70	Some concern for promotion	
0-30	Great concern for promotion