Identifying User Interaction Patterns in E-Textbooks

Table 1

Frequencies of term selection patterns by interface version. Differences to 100% are due to rounding.

Type	Index	Concept map
Select terms in order of appearance in the text	24% (5)	26% (6)
Select terms at the beginning and end of the text	0% (0)	13% (3)
Select terms at the end of the text	24% (5)	9% (2)
Select terms at the end of the text and backtrack to start	10% (2)	4% (1)
Select terms at the beginning of the text only	33% (7)	35% (8)
Select terms at the middle of the text	5% (1)	13% (3)
None of the above	5% (1)	0% (0)