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. 2010 Jun 30;12(2):e25. doi: 10.2196/jmir.1396

Table 7.

Consecutive search actions in a session between resource-based and task-based systems

Current Search Action Next Search Action Resource-based (n=1135)a
N (%) (95% CI)
Task-based (n=396)b
N (%) (95% CI)
Z P
No change No change 10 (0.9%)
(0.48-1.61)
7 (1.8%)
(0.86-3.60)
–1.23 .22
Change query only 17 (1.5%)
(0.94-2.39)
28 (7.1%)
(4.94-10.03)
–4.17 <.001
Change profile only 20 (1.8%)
(1.14-2.71)
6 (1.5%)
(0.70-3.27)
0.34 .73
Change query and profile 8 (0.7%)
(0.36-1.38)
16 (4.0%)
(2.50-6.46)
–3.27 .001
Change query only No change 16 (1.4%)
(0.87-2.28)
26 (6.6%)
(4.52-9.45)
–3.99 .001
Change query only 157 (13.8%)
(11.95-15.96)
125 (31.6%)
(27.18-36.30)
–6.95 <.001
Change profile only 122 (10.7%)
(9.08-12.69)
21 (5.3%)
(3.49-7.97)
3.75 <.001
Change query and profile 107 (9.4%)
(7.86-11.27)
42 (10.6%)
(7.94-14.03)
–0.66 .51
Change profile only No change 21 (1.9%)
(1.21-2.81)
5 (1.3%)
(0.54-2.92)
0.85 .40
Change query only 103 (9.1%)
(7.54-10.89)
24 (6.1%)
(4.11-8.86)
2.05 .04
Change profile only 228 (20.1%)
(17.86-22.52)
6 (1.5%)
(0.70-3.27)
13.88 <.001
Change query and profile 74 (6.5%)
(5.23-8.11)
15 (3.8%)
(2.31-6.15)
2.26 .02
Change query and profile No change 11 (1.0%)
(0.54-1.73)
5 (1.3%)
(0.54-2.92)
–0.46 .65
Change query only 98 (8.6%)
(7.14-10.41)
28 (7.1%)
(4.94-10.03)
1.02 .31
Change profile only 69 (6.1%)
(4.83-7.62)
13 (3.3%)
(1.93-5.53)
2.45 .01
Change query and profile 74 (6.5%)
(5.23-8.11)
29 (7.3%)
(5.15 to 10.32)
–0.54 .59

a 263 searches were excluded because the next search action was stop searching.

b 189 searches were excluded because the next search action was stop searching.