Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12302-016-0073-x/MediaObjects/12302_2016_73_Fig4_HTML.gif)
Participants’ confidence in the results of their reliability (a) and relevance (b) evaluations when using the Klimisch method (n = 121) and the CRED evaluation method (n = 103). Chi-square analysis shows significant differences in the distribution of the responses between the two evaluation methods regarding reliability (p < 0.01) and relevance (p < 0.001)