En la sociedad contemporánea se ha intensificado el uso de las redes sociales, en las que compartir contenidos es una actividad esencial, lo que trae como consecuencia la exhibición y comunicación de discursos individuales, pertenecientes tanto a la dimensión pública como a la privada (Dhir et al., 2017; Raimondo et al., 2016). En este contexto, surgen conceptos como 'economía del cuidado', 'economía de la visibilidad' y 'economía de la vigilancia' asociados a las nuevas modalidades visuales que proliferan en las redes sociales y que pretenden obtener atención y visibilidad en el marco de un mismo apéndice. (Banet, 2018; Fernández Barbudo, 2019; Koskela, 2018). Los adolescentes persiguen estos objetivos, buscan ser populares y visibles en espacios, y para ello exponen su propia privacidad, sometiéndola así a una vigilancia constante (Winocur, 2015). Mueven su dimensión privada bajo el foco público con propósito de constituir una 'subjetividad visible' que orientan y reconstruyen según las reacciones de los comentarios de su audiencia, 'me gusta', visualizaciones que funcionan como mecanismos de validación y aceptación social en el discurso hegemónico del momento (Del Prete y Redon, 2020; Lalonde, 2019; Sibilia, 2008). Así, los adolescentes desarrollan activamente su propia visibilidad en estos espacios, crean la identidad que quieren presentar y la proyectan a través de su perfil mediático (Koskela, 2018). Estas nuevas circunstancias que involucran la producción del yo se desarrolla a través de la expresión visual, que media la privacidad misma y se orienta hacia la construcción de una imagen idealizada (Walsh y Baker, 2017; Winocur, 2015). Los más jóvenes experimentan tensiones por ser populares en las redes sociales, lo que favorece el despliegue de la privacidad, lo que lleva a lo que Berriman y Thomson (2014) denominado 'espectáculos paradójicos de intimidad'. Este predominio de la esfera privada en el discurso es el resultado de la imposición de la visibilidad como sinónimo de trascendencia social esencial para esta etapa de la vita (Walsh y Baker, 2017).

In this context, in which privacy has become a commodity to increase visibility and popularity on social networks, tensions between what is public and private are intensified (Koskela, 2018; Raimondo et al., 2016). The barriers that separated both dimensions are currently characterized by their porosity, especially the private dimension, as a result of the progressive erosion that is experienced, despite the effort for colonization throughout history (Franke, 2019). Against this, different studies (Fernández Barbudo, 2019; Raimondo et al., 2016; Stejin and Vedder, 2015) demand a new meaning of public-private perception in contemporary society.

En línea con lo anterior, se pretende profundizar en las repercusiones de los entornos digitales; estableciendo como objetivo principal: identificar, analizar y comprender la percepción de la dimensión público-privada adolescente en entornos digitales y su impacto en la construcción de la identidad. Se pretende dar respuesta: ¿cómo perciben los adolescentes gallegos la dimensión público-privada y cómo influyen en la construcción de su identidad?

The study population is made up of adolescents from Galicia (Spain) between 12 and 16 years old belonging to both Compulsory Secondary Education and Basic Vocational Training. A mixed design is chosen, which combines quantitative and qualitative techniques in order to achieve a more solid and complete knowledge about the public-private conception of minors in digital environments and its impact on the construction of identity. In this way, it is advocated for a dual purpose: descriptive and interpretative, and for integrative pluralism that defends methodological complementarity in order to dilute the limitations and increase the strengths of both paradigms. Specifically, the design is of an explanatory sequential type, since it has a first quantitative phase and a second qualitative phase (Creswell and Plano, 2018). The first phase of this research consists of a survey whose results are transcendental to address the second phase: the case study; advocating for methodological triangulation to obtain a broad understanding of the phenomenon of study. In the first phase, the data collection technique is developed as the questionnaire, with the purpose of obtaining standardized information from a large sample of subjects. The questionnaire will be digital to facilitate completion in schools. Previously it will be validated through expert review in addition to being submitted to a pilot study before being administered to the sample. The analysis of the responses collected through the questionnaire will select the subjects participating in the second phase. The body of data obtained will be analyzed using the SPSS statistical package. In the second phase, the case study method is chosen because of its suitability to understand a phenomenon and to delve into the 'how' and the 'why' according to contextual conditions. The following qualitative techniques will be used to collect the data: observation of subjects in digital environments and monitoring of their contributions, and in-depth interviews with the subject of the case and its nearest circle. The data collected will be analyzed through Atlas.ti. This research is currently in its initial phase of literature review. A preliminary exploratory study related to the first phase has also been carried out through the application of questionnaires to the population under study in two educational centres in Galicia. In this way, a first approach to the research problem was obtained, as well as an extensive vision of it.

This first approach to the research problem reflects the impact of social networks on the public-private perception of adolescents and on their identity construction. The immersion and publication in these digital spaces affect their conception of privacy, which increases the discrepancies between adolescents with and without presence in social networks. These latter minorities at this vital stage keep the boundaries between what is public and what is private clear. However, those who are embedded in social networks have overlapping public-private dimensions that are permanently crossed by the search for visibility. Teens expose their privacy on social media because of the need they feel to exhibit, a requirement to achieve popularity and visibility in these environments. These conditions infer in adolescents, who orient their practices, mediated by their privacy, towards the projection of an idealized image at a social level positioned thus, the 'visibility of the self' as the central nucleus of their media productions (Berriman and Thomson, 2014). The female gender presents a greater dilution of the borders between the public and the private, predominating in the search for being visible in these spaces. It shows the significance that the family has in the construction of this perception, as well as the urgency that educational centers adopt an active role in adolescent training in its digital aspect. Therefore, the public-private perception has been transformed due to the perceptions that dominate the current society and invite to be exposed in the social networks to levels never before known. It is thus considered the emergence in the contemporaneity of a progressive crisis of the private sphere that has a special impact on adolescence.

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