The international group for the psychology of mathematics education (PME), set up a study group, the group known as representation working group to mainly study mathematics representation in 1989.

数学教育心理国际研讨组在1989年专门成立了研究小组，这个小组称为表征研究工作小组，主要研究数学表征的有关问题。

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That's according to a report released on Tuesday by the Education International Cooperation Group (EICG), a consultative agency for study overseas.

这份报告在本周二由国际教育集团发布，国际教育集团是一家专门研究留学市场的咨询机构。

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T he study group using clinical nursing route to give health education for patients, the control group using normal health education.

研究组采用临床护理路径对患者进行健康教育，对照组采用传统随时健康教育方式。

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And using criteria of the security-focused education group SANS to gauge offline applications, the study found that 18% of government apps passed, compared with 28% of finance industry apps and 34% of commercial software.

FORBES: Study Confirms The Government Produces The Buggiest Software

The study, published by education software company Renaissance Learning, also looked at a younger group in primary schools.

BBC: Teenagers' book choices 'go for easier reads'