Man and Sin by Piet Schoonenberg (1964) 2.3 YB
Summary of text [comment] pages 87 and 88
[So what are survey questions actually measuring?
Something2a is the actuality that gains the subject’s attention. Yet, even this actuality is one element in a dyad.
The other element is the researcher and the conditions.
These are very difficult to assess. Consequently, the thought experiment3a treats these as constants.]