Abstract: Identifying positive influence dominating set (PIDS) with the smallest cardinality can produce positive effect with the minimal cost on a social network. The purpose of this article is to ...

Adjust the results for such things as student poverty, and the “southern surge” is even more impressive. On a ranking compiled by the Urban Institute, a think-tank, Mississippi comes top (see chart 1) ...

Four simple strategies—beginning with an image, previewing vocabulary, omitting the numbers, and offering number sets—can have a big impact on learning.

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