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Table 10 Perceived time spent searchinga

From: A comparative evaluation of PDQ-Evidence

Database

N

Mean

SD

Minimum

Maximum

PDQ-Evidence

83

1.51

0.67

1

4

PubMed

65

2.17

0.84

1

4

Cochrane Library

57

1.91

0.63

1

3

Google Scholar

21

2.00

1.00

1

4

Health Systems Evidence

10

2.20

1.03

1

4

Trip

10

1.70

0.67

1

4

EVIPNet

3

2.00

1.00

1

3

  1. aMeasured on a four-point scale: from 1 = very little time to 4 = much too much time