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Aceptabilidad de un protocolo de intervención psicoterapéutica breve, dirigido a personas que han vivido un evento altamente estresante.
(Universidad de Concepción, 2024) Garabito Rifo, Sandra Sonalch; García Martínez, Felipe
BACKGROUND: Highly stressful events are referred to when a situation or event has the potential to generate negative consequences in affected persons, such as the presence of post-traumatic and depressive symptoms. The construction of programs that prevent the appearance of a psychopathological response after these events is one of the challenges we face today. Both the perceptions and acceptability of users and therapists towards intervention programs can influence expected results. The programme is expected to have good acceptability among both users and therapists.
OBJECTIVE: To evaluate the acceptability of an intervention program with a focus on short systemic therapy.
METHOD: A comparative sequential exploratory mixed design was used. In the first quantitative phase, a six-session intervention program was applied, evaluating levels of depressive symptomatology by using depressive symptomatology scales, post-traumatic growth and life satisfaction at two points: before (pre) and after (post) of the intervention. In the second qualitative phase, semi-structured interviews were conducted with eight users and two therapists to deepen experience and perceptions about the program. Finally, qualitative and quantitative results were integrated to categorize findings and understand the overall impact of the intervention.
RESULTS: In the qualitative phase, participants expressed a positive assessment of the organized structure of the sessions, highlighting as an important element the empathy of the therapists. It was also mentioned that the use of relaxation techniques and narrative techniques contributed to emotional well-being. In the quantitative phase, there was a decrease in depressive symptoms and an increase in post-traumatic growth and life satisfaction among the eight users. Improvement of indicators of emotional well-being and reduction of post-traumatic and depressive symptoms.
CONCLUSION: This study showed that the intervention protocol in Brief Systemic Therapy obtained favorable results for users, who indicated that the structure and techniques used were favorable for their process. Both users and therapists highlighted the therapeutic alliance as an important factor within the intervention. Therefore, the results obtained for the sample of eight users and their two therapists indicate acceptability to the intervention process, which is useful for the proposed objectives. Providing basis for future applications of the protocol in clinical and governmental settings, where the therapist alliance plays an important role.
Calidad de vida de localidades rurales en la comuna de Antuco: evaluación multidimensional y potencial de desarrollo.
(Universidad de Concepción, 2024) Castillo Muñoz, Nicolás Luciano; Rebolledo Villagra, Jaime
El presente estudio examina las localidades rurales de Antuco desde una perspectiva que integra factores objetivos (infraestructura, transporte, acceso a agua potable y condiciones económicas) con aspectos subjetivos (bienestar percibido, arraigo e identidad territorial). A partir de un método mixto —encuestas estandarizadas y entrevistas a actores clave— se constata la precariedad de servicios básicos, la limitada disponibilidad de transporte público y la carencia de una visión planificada a largo plazo, elementos que refuerzan la desigualdad y la dependencia de recursos externos.
A la par, se observa la resiliencia de las comunidades, reflejada en iniciativas de autogestión y en un fuerte sentido de pertenencia. Del mismo modo, surgen oportunidades asociadas al emprendimiento rural y al turismo sostenible, aunque sujetas a la falta de infraestructura y escaso respaldo institucional. En conjunto, estos hallazgos evidencian la tensión entre la necesidad de mejorar condiciones materiales y la preservación de la identidad territorial, así como la importancia de equilibrar el potencial económico y cultural para avanzar en la calidad de vida de la comuna.
Influencia de las propiedades ácidas y redox en el mecanismo de la oxidación selectiva de metanol a formiato de metilo.
(Universidad de Concepción, 2025) Galdames Oliva, Gabriel Alexander; Karelovic Burotto, Alejandro Iván; Jiménez Concepción, Romel Mario
Perception and production of english nuclear accent placement by l2 learners: the role of working memory and proficiency.
(Universidad de Concepción, 2024) Riquelme Figueroa, Constanza Javiera; Pereira Reyes, Yasna
Prosody is widely recognized as one of the most challenging aspects of second language (L2) speech acquisition (del Saz & Grau, 2022). This study seeks to determine the role of proficiency and working memory (WM) in the perception and production of English nuclear accent (NA) by L1 Spanish learners. Specifically, the study examines both the default patterns of NA placement and exceptions to these rules. To this end, participants completed perception and production tests, together with a proficiency test and a reading span test to measure WM. The study employed 24 university participants from the English teacher education programme from a university based in Concepción-Chile, all of whom had previously completed an English intonation course. Results indicated that learners perceived default patterns more accurately, while their production of non-default patterns showed better performance. This suggests an asymmetry between perception and production, as no direct relationship between these two skills was observed. Proficiency showed weak positive correlations with most variables. WM, however, exhibited weak negative correlations across several measures of perception and production of NA. While subtle, these trends suggest that higher working memory capacity may not necessarily facilitate perception and production performance in this context, although further research is required.
Acoustic scattering and elastic waves: a hybridizable discontinuous galerkin approach and an incursion in the method of fundamental solutions.
(Universidad de Concepción, 2025) Artaza Covarrubias, Fernando Antonio; Solano Palma, Manuel; Sánchez-Vizuet, Tonatiuh
We are interested in the computational simulation of the interaction between a transient acous tic wave and a bounded elastic solid in an unbounded fluid medium. We start by placing an artificial boundary surrounding the solid, where we impose boundary conditions that do not necessarily represent the physics of the problem. After applying the Laplace transform to the original problem, we propose and analyze a coupled Hybridizable Discontinuous Galerkin (HDG) scheme, in which two mixed variables are included (the stress tensor and the velocity of the acoustic wave) and the symmetry of the stress tensor is imposed weakly by adding the antisymmetric part of the strain tensor (the rotation) as an additional unknown. The optimal convergence of the method is demonstrated theoretically and some preliminary numerical re sults are presented. In the last chapter, we introduce the Method of Fundamental Solutions and use it to solve some boundary value problems in order to familiarize ourselves with this tool and set the basis to couple the Method of Fundamental Solutions with an HDG scheme in a future work.