She is well aware of the research literature that shows little evidence that family income has a large causal impact on student achievement. (educationnext.org)
The study is careful to note that the results can not be taken as definitive proof of Teach to One's causal impact because the study lacked an experimental design. (educationnext.org)
Follow our reasoning, and I think you'll agree that there is a direct, causal impact on renters insurance. (effectivecoverage.com)