Pervading constructivist metatheory is a position of epistemological humility, a recognition that, whatever the status of an external reality, its meaning for us is determined by our constructions of its significance, rather than the 'brute facts' themselves.
Neimeyer articulates the foundational epistemological premise of constructivism — that experiential meaning is constituted by the construing subject, not read off from an independent reality — and traces it to Kantian philosophy.
, Meaning Reconstruction and the Experience of Lossthesis