The hypothesis may be put forward, to be tested by the s subsequent investigation, that this development has been in large part a matter of the reciprocal interaction of new factual insights and knowledge on the one hand with changes in the theoretical system on the other.
Talcott Parsons, Peter Hamilton (1985). “Readings from Talcott Parsons”, Chichester [West Sussex] : E. Horwood ; London ; New York : Tavistock Publications
