International collaboration and educational reform: the neglect of time as a concept and resource in comparative research.

The article presents a letter from the editor of "Comparative Education" concerning the February 2009 issue. The issue discusses the potential and impact of international collaboration in the areas of research, performance assessment, policy formulation, and international development cooperation. Papers in the issue include a paper concerning how international quality assurance and evaluation mechanisms are influencing policy formulation worldwide and a paper about the impact of educational innovations in Japan.