The Current Status of Usability Studies of Information Technologies in China: A Systematic Study

Table 1

Inclusion and exclusion process.

Databases	Wanfang database	VIP	CNKI	EBSCO	Total
Retrievals from database	6411	1347	1698	358	9814
After exclusion of repeated and irrelevant	235	141	241	30	647
screening rate	3.7%	10.5%	14.2%	8.8%	6.6%