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

Table 4

Comparison between different term highlighting strategies.

	S2 (%)	S3 (%)	S4 (%)
C-CG	8.8	4.7	8.3
C-DCG	7.3	4.1	7.6
DT	12.8	13.8	12.5
C-RN	10.5	5.5	9.1
C-RD	17.6	0.8	9.8
C-SL	10.0	5.0	9.4

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