dictionary help| observer | medical dictionary |
One who perceives, notices, or watches; in behavioural research with humans, the investigator or his/her surrogate.
Origin: L. Observo, to watch
Nonparticipant observer, an investigator who studies a group of subjects engaged in certain activities but does not directly participate in these activities, presumably being able to study them more objectively.
Participant observer, an investigator who while studying the activities of a group of subjects also participates in their activities, presumably being able to gain more detailed, relevant information but with less objectivity.
(05 Mar 2000)
observation, observation, observational equivalence < Prev | Next > observer variation, obsession, obsessional neurosis
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