Warrantable evidence in nursing science

D A Forbes, K M King, K E Kushner, N L Letourneau, A F Myrick, J Profetto-McGrath
Journal of Advanced Nursing 1999, 29 (2): 373-9
Consensus among nurse scholars has not been reached regarding suitable qualities for accepting or rejecting the evidence arising from various world views. The authors' purpose in writing the paper is to describe the qualities or warrants for evaluating scientific findings (the 'evidence') of different research perspectives. The warrantable evidence pertinent to post-positivist, interpretivist, critical social theorist, and feminist perspectives are described and common warrants are suggested. Three warrants common to these scientific perspectives are proposed: (a) scrutiny and critique of methodological rigor and findings by the scientific community; (b) corroboration and intersubjectivity; and (c) scope of the evidence. The identification of common warrantable evidence will assist nurses in developing some core values regarding the constituents of good science or good scholarship even in the face of pluralism in nursing science approaches.

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