![]() ![]() ![]() Also, the accuracy of the gathered data is only as good as the accuracy of available records. In this example, it is possible for the researchers to tend to select participants who already have a known history of being abused. That would be very expensive and time-consuming.Ī disadvantage of this kind of study is that it is prone to bias. Problem Statement Previous studies have established that the adherence rates to ED-generated referrals are below par. ![]() A Retrospective Study is a kind of research design where the investigators study a phenomenon by looking back at events that have already happened.įor example, to look at the relationship between serial killers and child abuse, the investigators will identify convicted serial killers, and find out which of them have a past history of being abused as children.Ī major advantage of a Retrospective Study is that it allows the study of rare phenomena without having to use a very large sample size, and without having to spend a long time following the subjects to find out the outcome. If you were to do a Prospective Study on serial killers and child abuse, you would have to recruit an extrermely large sample of abused children and follow them for several years in order to find out which ones turn out to become serial killers. Example: Research Protocol Retrospective Review of Records This protocol is being used as an example with permission from the author, Syed Javed Zaidi, MD. Good Example Of Purpose Research Proposal The aim of this study is to quantify ED-generated follow-up adherence rates amongst white, Black American, and Hispanic patients discharged from the ED of a managed care system. ![]()
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