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جست‌وجو در واژگان

زبان محتوا

Concept information

اصطلاح مرجح

ObservationObservation  

تعریف

  • Research method that involves collecting data as they occur (for example, observing behaviors, events, development of condition or disease, etc.), without attempting to manipulate any of the independent variables.

در زبان های دیگر

URI

http://rdf-vocabulary.ddialliance.org/cv/ModeOfCollection/4.0.3/c680d43

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