Major attention has been given to establishing a national policy on ed
ucational standards and assessments. This article presents detail abou
t background events culminating in public decision making by the Natio
nal Council on Education Standards and Testing. Explanations for their
deliberations were based on the ascendance of new approaches to asses
sment and the emergence of two classes of assessment experts: advocate
s and researchers. The article illustrates how experts in these roles
have differential effect on educational reform.