All the simulations are extensively tested for usability and educational effectiveness, and a rating system is used to indicate what level of testing they have received.

所有模拟的可用性和教育效用都得到广泛的测试，并运用评级系统来显示所达到的测试水平。

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There have been many studies and formed relatively consistent view in the view of moral educational effectiveness, while lacking the research of moral repayment.

在德育实效性方面，已经有了许多研究并形成了较为一致的观点，但道德回报方面的研究还比较缺乏。

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Members of the commission and university officials were more than pleased to point out the similarities between the two rhetorical contests, saying the commission's 13 years of existence, and its fourth presidential election cycle, were testimony to its effectiveness as an educational organization.

CNN: Wait Chapel event a homecoming for the debate commission

The Education Secretary, David Blunkett, said on Sunday that he would be speaking to the Office for Standards in Education about evaluating the effectiveness of single sex teaching of some subjects in co-educational schools.

BBC: Single sex classes 'not the answer'