The Central Limit theorem states the exact probability value of estimating

Which statement best summarizes research on test delivery?

A) Students who used pencil-and-paper tests outperformed those who used handheld computers. B) Students who used paper-and-pencil tests outperformed those who used notebook computers. C) Students who used any type of computer outscored those who used paper-and-pencil tests. D) There are no meaningful differences between students who take their tests using a computer and those who take it using pencil and paper.

According to the article Making the Grade about the Abcedarian Intervention Program, during the school age intervention, children in school age intervention groups received:

(a) a pencil box with pencils and markers (b) regular home visits (c) a substantial stipend for remaining in the study (d) a series of videos about how to pay attention to teachers