Assertion: researcher | /r/CapableOf | try to change circumstance
Facets:
value: in an experimental design
type: OTHER
value: to change the situation
type: PURPOSE
value: actively
type: MANNER
Source sentences:
text: In an experimental design, the researcher actively tries to change the situation, circumstances, or experience of participants (manipulation), which may lead to a change in behaviour or outcomes for the participants of the study.