Assertion: motivation's effect | /r/HasProperty | treated as the result
Facets:
value: meaningfully
type: MANNER
Source sentences:
text: Motivational effects of homogeneous ability grouping of children in schools have been meaningfully treated as the result of changing the strength of a student’s subjective probability of success in schoolwork, relative to his peers, from what it would normally be in a more heterogeneous class-room situation.