Increases in museum attendance, although only rough estimates were available on incremental impacts (30 percent incremental attendance in one case and 10 percent in another); Increased credibility of host museums, both with the visiting public and their volunteers. ###>Les visiteurs sont plus nombreux, même si l'on disposait seulement de données approximatives sur les répercussions (augmentation de 30 p. 100 de la clientèle dans un cas et de 10 p.