Around 1970 there was a dramatic change in the approach to accounting research. Several reasons have been suggested for this change inmethodological direction by those reviewing the development of accounting thought. p.1 Gaffikin, M. 2007. Accounting Research andTheory: The Age of Neo-Empiricism. The Australasian Accounting, Business and Finance Journal. Feb. V1/1. pp1-19.

The conceptual framework is an example of theoretical development and research that has not contributed meaningly to the development of accounting practice if for no other reason than it has not been completed.

Explain how CF has not contributed ?