Petya, On "Mon, 16 Feb 2004 11:32:04 EST." "Radoeva, Petya" wrote > Is there any way to introduce a cluster size correction in a Fixed > Effects with a Conjunction analysis? I don't see any obvious way how to > do that. Please let me know what you think! I do appreciate you help. Is 15 months a bit too slow for a reply? I'm sorry for the delay! There is no Random Field theory to find P-values for clusters of conjunctions... yet. Keith Worsley had a student that found *Global Null* p-values for cluster size. As far as can figure, there won't be any random field P-values for the Conjunction Null. Hope this helps.