Thanks for your reply, hlsmith.
The data is clustered in 52 groups, those being the individual judges. Sample size is 19‘950 observations. Confidence interval for the mentionned relationship between SVP an SP is 95%.
I am currently doing my master thesis and have difficulties fully understanding how to interpret the results of my binary logistic regression. The code and the plot of said code are attached. The plot is labelled in German, sorry for that.
In Switzerland, almost...