Under the title "Ungesagtes" ("Unspoken"), the five articles and one discussion deal with aspects that one would tend to contrast with and deduct from the ideal of objectivity of science as "subjective" parts. On the one hand, it is about what the researching subject brings into the scientific work in often subtle ways: own views, emotions, values, personal beliefs. On the other hand, the influence of everything subjective on human behavior is itself also a topic of research.