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Within the current panorama of science evaluation, the limitations of citation indexes to study the social sciences and humanities have been the subject of wide debate. To resolve this situation, different products have been created for use in national contexts, since they cover certain aspects not contained in more international indices. An example is the In-RECS family, where an indicator such as the impact factor of Eugene Garfield is defined, but its contribution lies in the ability to evaluate research in Spain by obtaining citation indicators. This paper thus highlights the need to create new products for research evaluation in general, but particularly in the social sciences and humanities. The context in which different alternatives arise and are developed to evaluate existing journals is presented, along with Dialnet Metrics, a citation index developed by the Dialnet Foundation in collaboration with the EC3 Group and dozens of Spanish universities. Based on an analysis of the citations of source journals from different subject areas, Dialnet Metrics provides indicators to evaluate the research impact at different levels. This bibliometric product enables contextualized analysis at the micro (researchers), meso (journals), and macro (areas and universities) levels. Finally, the content, data volumes, and structure of this citation index are described quantitatively. [ABSTRACT FROM AUTHOR]

The news media's citations of journals, authors, and papers have been used avant la letre to study the impact of science in the lay press and some characteristics of scientific journalism. In this paper, the concepts of press citation and media impact are outlined by analogy to those of scientific citation and scientific impact, establishing their similarities and differences. Some possibilities of study using press citations counts are also outlined, as well as the development of new bibliometric indicators to measure the media impact of science. The analysis of press citations has advantages over alternative metrics (altmetrics) because the press is the main news producer and offers a more consolidated product with a professional filter. However, press citations also have some limitations, mainly the lack of a database of press citations from scientific journals in the international lay press. [ABSTRACT FROM AUTHOR]