The last decade has seen two significant phenomena emerge in research communication: the rise of open access (OA) publishing, and evidence of online sharing in the form of altmetrics. There has been limited examination of the effect of OA on online sharing for journal articles, and little for books. This paper examines the altmetrics of a set of 32,222 books (of which 5% are OA) and a set of 220,527 chapters (of which 7% are OA) indexed by the scholarly database Dimensions in the Social Sciences and Humanities. Both OA books and chapters have significantly higher use on social networks, higher coverage in the mass media and blogs, and evidence of higher rates of social impact in policy documents. OA chapters have higher rates of coverage on Wikipedia than their non-OA equivalents, and are more likely to be shared on Mendeley. Even within the Humanities and Social Sciences, disciplinary differences in altmetric activity are evident. The effect is confirmed for chapters, although sampling issues prevent the strong conclusion that OA facilitates extra attention at whole book level, the apparent OA altmetrics advantage suggests that the move towards OA is increasing social sharing and broader impact.

中文翻译：

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人文和社会科学领域开放获取书籍的另类注意力优势

在过去的十年里，研究交流中出现了两个重要的现象：开放获取 (OA) 出版的兴起，以及以替代度量形式的在线共享的证据。关于 OA 对期刊文章在线共享的影响的研究有限，对书籍的研究也很少。本文研究了 32,222 本书（其中 5% 为 OA）和一组 220,527 章（其中 7% 为 OA）的替代度量，这些章节由社会科学和人文学科的学术数据库 Dimensions 索引。OA 书籍和章节在社交网络上的使用率明显更高，在大众媒体和博客中的覆盖率更高，并且有证据表明政策文件中的社会影响率更高。OA 章节在维基百科上的覆盖率高于非 OA 章节，并且更有可能在 Mendeley 上共享。即使在人文和社会科学领域，替代度量活动的学科差异也很明显。这种效果在章节中得到证实，尽管抽样问题阻止了 OA 有助于在整本书层面获得额外关注的有力结论，但明显的 OA 替代指标优势表明，向 OA 的转变正在增加社会共享和更广泛的影响。