Concept information
优选词，正式主题词
Experiment.FieldInterventionField/Intervention experiment
定义
- An experiment conducted in a natural, uncontrolled setting, in which the researcher manipulates one or several independent variables. Intervention/clinical studies are one example of field experiments.
其它语言
URI
http://rdf-vocabulary.ddialliance.org/cv/ModeOfCollection/4.0.3/5ff61de
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