This Article Full Text (PDF) References Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Gelman, A. Search for Related Content

Commentary—Discussion of the Article "Website Morphing"

Departments of Statistics and Political Science, Columbia University, New York, New York 10027
gelman{at}stat.columbia.edu

The article under discussion illustrates the trade-off between optimization and exploration that is fundamental to statistical experimental design. In this discussion, I suggest that the research under discussion could be made even more effective by checking the fit of the model by comparing observed data to replicated data sets simulated from the fitted model.

Key Words: discussion; Web; morphing
History: Received: November 17, 2008; accepted: November 17, 2008.