▲这样用的 based 为形容词（在一般的词典都可查到它作为形容词的用法），比如第7版的牛津高阶英语词典的相关解释如下：

based / beist / adj. [not before noun]

1. (on sth) if one thing is based on another, it uses it or is developed from it (以某事)为基础，为根据：

The movie is based on a real-life incident. 这部电影以现实生活中的一件事为基础。

The report is based on figures from six different European cities. 报告的依据是欧洲六个不同城市的数据。

2. if a person or business is based in a particular place, that is where they live or work, or where the work of the business is done 在…居住(或工作)；基地(或总部)在…：

We're based in Chicago. 我们住在芝加哥。

a Chicago-based company 总部设在芝加哥的公司

▲你的句子中的Based on recent researches 为形容词短语，用作状语，表示“根据”，句意为：根据最近的研究，远程学习渐渐被证明与传统的校园教学形式同样有价值。