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.]