bn:03475905n
Noun Concept
Categories: Statistical data types, Design of experiments, Observational study, Webarchive template wayback links
EN
observational study  Bias in observational studies  non-experimental  observation study  observational data
EN
In fields such as epidemiology, social sciences, psychology and statistics, an observational study draws inferences from a sample to a population where the independent variable is not under the control of the researcher because of ethical concerns or logistical constraints. Wikipedia
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EN
In fields such as epidemiology, social sciences, psychology and statistics, an observational study draws inferences from a sample to a population where the independent variable is not under the control of the researcher because of ethical concerns or logistical constraints. Wikipedia
Draws inferences about the possible effect of a treatment on subjects, where the assignment of subjects into a treated group versus a control group is outside the control of the investigator Wikipedia Disambiguation
Draws inferences from a sample to a population where the independent variable is not under the control of the researcher because of ethical concerns or logistical constraints Wikidata