tag:blogger.com,1999:blog-9263167.post4923707880539295279..comments2024-03-27T13:25:58.065-04:00Comments on Stayin' Alive: Way cool Big ScienceCervanteshttp://www.blogger.com/profile/11302076828795198187noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-9263167.post-2172517735809558122010-10-27T16:35:43.095-04:002010-10-27T16:35:43.095-04:00Yes, this is expensive but it's the only way t...Yes, this is expensive but it's the only way to do it. It's called a prospective cohort study - it's like the Framingham Heart Study or the Women's Health Initiative.<br /><br />Retrospective studies, as you say, aren't worth a fraction as much.Cervanteshttps://www.blogger.com/profile/11302076828795198187noreply@blogger.comtag:blogger.com,1999:blog-9263167.post-65948930121288240162010-10-27T16:20:21.717-04:002010-10-27T16:20:21.717-04:00this kind of study is so important, and in ways we...this kind of study is so important, and in ways we might not yet perceive. it is so hard to reconstruct factors retrospectively -- records are destroyed, nobody may have paid attention to various factors, etc. presumably, one advantage is not only tracking a lot of factors over time, with a large and diverse population, but records will be kept.kathy a.https://www.blogger.com/profile/14479337952651746193noreply@blogger.com