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Random assignment of:
Allen county:
n=2,140 Assistance groups, representing 3,466 students.
(1,376 treatment group students and 695 control group students)
Shelby county:
n=571 Assistance groups, representing 895 students.
(246 treatment group students and 162 control group students)
These groups received assistance some time between Sept 95 and May 98.
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