Assertion: controlled experiment | /r/CapableOf | compare result
Facets:
value: often
type: TEMPORAL
value: from experimental samples against control samples
type: TRANSITIVE-OBJECT
Source sentences:
text: A controlled experiment often compares the results obtained from experimental samples against control samples, which are practically identical to the experimental sample except for the one aspect whose effect is being tested (the independent variable).
text: It often compares the results from experimental samples against control samples.