Sub-criteria

Median of test

Mean

Standard deviation

Barriers with staff

30

28.88

0.26

Affective barriers

18

33.61

0.29

Comfort with the library

33

18.72

0.14

Knowledge of the library

21

12.05

0.1

Mechanical barriers

3

6.06

0.09

Total score

105

99.343

0.61