Abstract

Commonly, in the evaluation of the optical appearance of glass panes in building envelopes, anisotropies are a reason for a dispute between the architect or client and the façade manufacturer. Sometimes each party has a different perception, how strong the anisotropies are and what is permissible. This paper discusses in the first part the formation of the anisotropies and their natural sources. It is shown that the appearance of this phenomenon is dependent on the environmental conditions of the building site as well as the glass quality. If the application of thermally tempered glass cannot be avoided, the quality assurance of the production process has to be carefully planned. Furthermore a method for the quantitative measurement of anisotropies is proposed and prescribed in detail. This method can assist in the quality assurance process. Measurements are showing that probably the best tempered glass offers slight anisotropies and that under unfavorable conditions these anisotropies can become evident.

Abstract

This paper analyzes the use of Twitter by the candidates for the presidency of the Government of Spain of the five main parties at the national level –PSOE, PP, Vox, Podemos, and Ciudadanos– during the general elections campaigns held in April and November 2019. The main purpose of this study is to determine the strategies regarding the use of the microblogging network by the leaders, in terms of activity, interaction, and fame, and in terms of topics and discursive development, as well as their similarities and differences. The secondary objective is to study the evolution of these strategies both between the two campaigns and with respect to previous elections. To this end, this research is based on a content analysis methodology that studies quantitative, qualitative, and discursive elements. The results reveal an uneven use of Twitter in terms of frequency of updates, but similar in terms of its unidirectionality, with scarce interaction with other users and a predominance of tweets with their own content over retweets. The dissemination of other people’s content was used almost entirely to promote the candidate’s political party and, to a lesser extent, to interact with journalists. Dialog with citizens was almost always residual, both in retweets and in responses. This utilitarian conception of the microblogging network was accompanied by a polarizing thematic selection, with an almost general preponderance of political over policy issues. 

Abstract

This paper analyses the context of disinformation in Spain from the perspective of the pseudo-media (i.e., websites that mimic conventional media to offer partisan content based on alternative facts). Using a quantitative (N = 1,143) and qualitative (n = 396) methodology, this research analyses publications from eight Spanish pseudo-media that reach more than 4 million unique users. Results reveal an interest in three topics: vaccination, restrictions and speculation about Covid-19, national politics –focused on criticism against government– and topics related to human rights –mainly LGBTI, gender, immigration– with a total of 58.1% of the content published in four sections (International, Spain, Society, and Economy). The study reveals a growing trend towards polarisation and the use of clickbait techniques in four out of ten headlines. The Internet and social media are the most common sources quoted, while a third of the items lack sources or correspond to opinion pieces. Minorities and vulnerable groups are framed as a social threat, and the presentation of the coalition government as a danger to Spain that must be put to an end, which makes the discourse of these websites in tune with the ideology of the far right wing.

Abstract

The communication industry in Colombia has promoted over the last decade a process of transformation and design of new proposals in both traditional media and digital natives, a range of operational strategies to distribute textual, sound, and visual formats through the social networks, adapting the content to the particularities and attributes of each one of them. The irruption of the implementation of the peace accords, the pandemic and citizen nonconformity taken to the streets have served to verify the real dimension of this reconfiguration, as well as its effectiveness in terms of credibility and scope in the face of an unprecedented scenario that has transformed the social and cultural interaction of citizens through technology. This research focuses on the response of Colombian journalistic agents to the demand for information during the period 2019, 2020 and 2021, from a mixed quantitative-descriptive methodology that allows identifying, quantifying, and assessing the relationship between newspapers, radio stations and television channels with the new platforms. The corpus of the study is made up of the publications on social networks of the Colombian media with the greatest circulation according to the Colombian Association for Media Research: two newspapers (El tiempo and El espectador), five radio stations (Caracol radio, W radio, Blu radio, RCN radio and La FM) and the news from the two television networks with the highest audience (Noticias Caracol and Noticias RCN). The results of the study show a reinforcement of the brand of the journalistic company as a reference for information and credibility, however, the current situation has not served to legitimize the role of journalists in social networks and has underlined the fragility of a media ecosystem highly exposed to polarization, manipulation, and mistrust.

Abstract

The evolution from a public space such as the one defined throughout the twentieth century –characterised by unidirectionality and political and media intermediation– towards a digital scenario –with multiple actors and multi-directional messages– has not resolved the problems that existed beforehand, and has also generated others. This public space crisis has been aggravated by the fragmentation of audiences, often absorbed into their own echo chamber, and by the dispersion and jumble of voices that are an impediment to any possibility of unravelling the terms of public debate. Faced with enormous challenges such as disinformation, the conventional media, who have traditionally held the responsibility of providing quality information, address these issues from a position of extreme vulnerability, due to the disintegration of the former economic model and social credibility. In a context of uncertainty, crisis, and fragmented public spheres, and there being no alternatives that can guarantee distinct dialogue, the initiation of a social debate that prioritises quality of information is essential.