Sentences with phrase «discernible effect on the performance»
Vouchers have a moderately large, positive effect on the achievement of African - American students, but no discernible effect on the performance of students of other ethnicities.
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We find that vouchers have a moderately large, positive effect on the achievement of African - American students, but no discernible effect on the performance of students of other ethnicities.
School resources more than tripled but with no discernible effect on performance.