The power of multiple testing procedures can be increased by using weighted p-values (Genovese, Roeder and Wasserman 2005). We derive the optimal weights and we show that the power is remarkably robust to misspecification of these weights. We consider two methods for choosing weights in practice. The first, external weighting, is based on prior information. The second, estimated weighting, uses...

Heeter and Winn explore the concept of meaningful play, describe highlights of the Meaningful Play: Designing and studying games that matter conference, and introduce the articles in this issue.

Morris Library is the cornerstone that allows Southern Illinois University Carbondale to fulfill its core mission of teaching and research—it is a major educational force in the region, state, and nation. The breadth and depth of the Library's collection assists the University in attracting the brightest students and extraordinary faculty. The Library's facilities, services, and holdings are ut...

Morris Library is the cornerstone that allows Southern Illinois University Carbondale to fulfill its core mission of teaching and research—it is a major educational force in the region, state, and nation. The breadth and depth of the Library's collection assists the University in attracting the brightest students and extraordinary faculty. The Library's facilities, services, and holdings are ut...

Morris Library is the cornerstone that allows Southern Illinois University Carbondale to fulfill its core mission of teaching and research—it is a major educational force in the region, state, and nation. The breadth and depth of the Library's collection assists the University in attracting the brightest students and extraordinary faculty. The Library's facilities, services, and holdings are ut...

as part of the moral order on the one hand and as pathological phenomena on the other. Dr. Riese writes interestingly of his seventeenth century theorists, and the reader will find much of what he has to say rewarding, especially with respect to the work of medical men so little known as de la Forge and de la Chambre. Rather than praise the obvious merits of Dr. Riese's monograph, however, I sh...