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. 2008 Jan 22;10(1):e2. doi: 10.2196/jmir.963

Table 7.

Comparison of confidence between pre-search and post-search right and wrong answers (N = 928)

Confidence inAnswer Pre-Search, No. (%) Post-Search, No. (%) zScore PValue
Right answer (n= 568) (n = 761)
Not confident/ somewhat confident 208 (36.6) 34 (4.5) 14.91 < .001
Confident/ very confident 350 (61.6) 727 (95.5) –15.60 < .001
Not provided 10 (1.8)
Wrong answer (n= 360) (n = 167)
Not confident/ somewhat confident 154 (42.8) 30 (18.0) 6.28 < .001
Confident/ very confident 199 (55.3) 137 (82.0) –6.75 < .001
Not provided 7 (1.9)