Skip to main content

Table 9 Perceived ease of usea

From: A comparative evaluation of PDQ-Evidence

Database

N

Mean

Standard deviation

Minimum

Maximum

PDQ-Evidence

83

1.65

0.63

1

3

PubMed

65

2.18

0.81

1

4

Cochrane Library

57

2.04

0.63

1

3

Google Scholar

21

1.62

0.59

1

3

Health Systems Evidence

10

2.40

0.97

1

4

Trip

10

1.50

0.71

1

3

EVIPNet

3

3

1

22

4

  1. aMeasured on a four-point scale: from 1 = very easy to 4 = very difficult