Methodological Issues in Observational Studies
نویسندگان
چکیده
منابع مشابه
Methodological issues of confounding in analytical epidemiologic studies
Background: Confounding can be thought of as mixing the effect of exposure on the risk of disease with a third factor which distorts the measure of association such as risk ratio or odds ratio. This bias arises because of complex functional relationship of confounder with both exposure and disease (outcome). In this article, we provided a conceptual framework review of confounding issues in epi...
متن کاملmethodological issues of confounding in analytical epidemiologic studies
background: confounding can be thought of as mixing the effect of exposure on the risk of disease with a third factor which distorts the measure of association such as risk ratio or odds ratio. this bias arises because of complex functional relationship of confounder with both exposure and disease (outcome). in this article, we provided a conceptual framework review of confounding issues in epi...
متن کاملAchieving Consensus Deal with Methodological Issues in the Delphi Technique
Delphi is a powerful technique used to seek answers to appropriate questions. The purpose of this paper is to provide an overview of the Delphi technique as a research method. This paper discusses the scientific merit of the Delphi technique by investigating on 41 studies of Journal of Agricultural Education from 1981 to 2013, and 2 studies of Journal of Agricultural Science and Technology. The...
متن کاملSome interpretational issues connected with observational studies
After some general comments about observational studies and experiments, three examples of observational studies and their graphical representation are outlined. A distinction between direct and indirect distortion of effects by unobserved variables is drawn. Indirect distortion is illustrated by an example on bladder cancer.
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ژورنال
عنوان ژورنال: ACM SIGSOFT Software Engineering Notes
سال: 2019
ISSN: 0163-5948
DOI: 10.1145/3356773.3356799