7. Maimonides, a twelfth-century scHioldr,、 sald,““TWwenty-
five children may be put in the charge ot one teacher. 上
the number in the class exceeds twenty-five but 1s not more
than forty, he should have an ass1stant to help with the
instruction. IF there are more than forty, two teachers must
be appointed””ISrael follows Maimonides's rule in deter-
mining the number of teachers for each class. How could
you use Maimonides sfule as a natural cxperiment to Study
the effect_ of teacher-student ratios on student achievement?
8..Oregon expanded its Medicald coverage in _2008.
Roughly 90,000 people applied but the state had funds
to cover only an additional 30,000 people (Who were tfan-
domly chosen from the total applicant pool of 90,000).
How could you use the Oregon experlence to esStlmate
the impact of increased access to healthcare on health
Outcomes?