tag:blogger.com,1999:blog-6976144462093297473.post3480059926222692815..comments2024-03-26T19:10:00.791-04:00Comments on West Coast Stat Views (on Observational Epidemiology and more): The most open-label of open-label experimentsJosephhttp://www.blogger.com/profile/10760453165301871031noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6976144462093297473.post-73928357073610118242010-11-01T14:19:44.617-04:002010-11-01T14:19:44.617-04:00I suspect that this could be handled by making the...I suspect that this could be handled by making the control population another intervention. <br /><br />In geenral, the poitn here seems to be that analzying the results of the lottery winners/losers may be possibily misleading. i would add in that loss to follow-up (counselling out, as you call it) would likely be the dominant effect in direct comparisons between schools. Analyzing lottery winners/losers using an "intention to treat" approach woudl remove the issue of differential loss to follow-up but would not account for halo or placebo effects.Josephhttps://www.blogger.com/profile/10760453165301871031noreply@blogger.com