Table 2.

Basic actions and parameters of the learner's habitual behaviors in cyberspace.

Number	Actions	Parameters
0	No action	The object in screen center
1	Mouse: click	On a button or link, on another place
2	Mouse: scroll	Speed, the object in screen center when stopping scrolling
3	Mouse: move	Speed, radius
4	Mouse: open a new page	Null
5	Mouse: change a page	Null
6	Mouse: close a page	Null
7	Mouse: store a page	Null
8	Keyboard: input	Number of characters
9	Keyboard: delete	Number of characters
10	Mouse and keyboard: retrieve information	Number of keywords
11	Mouse and keyboard: post information on BBS	Number of characters
12	Mouse and keyboard: send information to other people	Number of characters, number of receivers
13	Mouse and keyboard: chat with other people	Number of characters, number of people chatted with
14	Streaming media: voice communication	Acoustic feature parameters
15	Streaming media: video communication	Visual feature parameters