observational
/ˌɒbzəˈveɪʃənl/ (bre, ipa) · /ˌɑːbzərˈveɪʃənl/ (ame, ipa) · /-shənᵊl -shnəl/ (ame, mw)
observational — adjective
- observationalpositive
- more observationalcomparative
- most observationalsuperlative
1. used to describe study, research, or work that gains information by following pe
used to describe study, research, or work that gains information by following people, events, or conditions closely and recording what happens, instead of first changing the situation.
The doctor used observational notes from home visits to understand the child's routines.
observational notes from [context]
Renata joined an observational study on how teenagers sleep during exams.
observational study on [topic]
The project was observational, so the nurses did not change any treatment.
Our art teacher set an observational drawing task with bowls of fruit.
The film crew kept an observational style, following farmers through the market.
- descriptive
close in research contexts, but broader and less focused on careful watching over time
- non-interventional
more technical, especially in medicine; stresses that no treatment is assigned
- watchful
everyday word for a person's alert attention, not usually for study design
- experimental
involves changing conditions to test an effect instead of only watching
- interventional
formal research term for studies that actively assign a treatment or action
文法句型
observational study
observational research
be observational rather than experimental
用法筆記
Most often modifies nouns such as study, research, data, method, or skills. In research writing, it commonly contrasts with experimental: observational work mainly watches and records what happens, while experimental work deliberately changes a condition or gives a treatment.