Beyond Query-Oriented Highlighting: Investigating the Effect of Snippet Text Highlighting in Search User Behavior

Table 6

Search benefit comparison across different search tasks.

	NA (%)	IN (%)	TR (%)	w/IA (%)	w/oIA (%)
C-CG	8.2	9.1	22.4	21.7	8.3
C-DCG	6.2	4.8	20.9	7.0	7.8
E-CG	15.6	10.6	14.6	20.4	0.7
E-DCG	14.3	17.6	18.2	26.4	10.6

Percentage decrease are, respectively, denoted by down arrow and down filled triangle, and percentage increase is, respectively, denoted by up arrow. Filled triangle indicates t-test; statistical significance at level.