Purpose: This article harmonizes the causal diagram with the objective tree to evaluate service quality and to identify action strategies that improve the quality of service in the hotel ...industry.Design/methodology/approach: In stage I, we obtained the quality perception records of 127 historical costumers, and 384 questionnaires. Subsequently, a causal diagram was generated in stage II. And finally, the above-mentioned strategies were created. The Causal Diagram clarifies the relationship between customer complaints and company weaknesses.Findings: The goal tree makes it possible to categorize these strategies according to target levels.Research limitations/implications: Costumers' opinions could generate biases in their responses. Future studies must consider other methods, such as Fuzzy Logic to reduce this bias.Practical and social implications: This study approach can be replicated in other industrial sectors and is particularly useful for defining improvement plans related to service quality.Originality/value: The integration of these tools will allow managers to better understand the experiences reported by guests because it allows understanding of the behaviors between the variables that influence the quality of service and the variables under the tangible elements of the service.
This research used a model with fuzzy measurement on 132 surveys to assess the social acceptance of the wind industry in the Isthmus of Tehuantepec-Mexico. This study uses diffuse analysis in a ...region where people are difficult to interview due to cultural barriers. The results were categorized globally and internally in environmental, economic, and social impacts. The results demonstrate the rejection of the inhabitants by the installation of wind farms in their region. There is a lack of information, poor transparency, and involvement of communities within the decision-making processes, and it seems that the only beneficiaries are the farmers who rent their land for the installation of the wind turbines. Mexico has to develop a guidelines framework to improve wind energy development, according to the best international practices.
•Wind power public opinions were tested using fuzzy logic.•Wind power impacts were ranked in decreasing order.•Wind energy practices are not according to international forms.•Key areas of improvements in existing practices are identified.
Social acceptance is fundamental, and directly affects the installation of wind farms. In this paper, the factors that have had the greatest influence on the development of wind energy in the Itsmo ...region of Tehuantepec, Mexico are identified. The data were collected face to face through a semi-structured questionnaire of 31 people: owners, municipal authorities, opposition groups, and academic members. The results of the interview highlight the social impact, the lack of application, and concerning ILO Convention 169, the abuse of community rights. As a result, people interviewed perceive that the environmental impact of the installation, and operation of wind farms has been ambivalent: positive due to the intrinsic benefits that wind energy generates compared to other energy sources, and negative in terms of affectation by the noise, and the landscape. However, the income received by the owners of land in which wind facilities are located is lower compared to other parts of the world. In general, the facts show a disintegration between the authorities (federal, state, and municipal), universities are isolated from wind projects, communities are not consulted in projects, and large companies are the main beneficiaries.
Water availability significantly influences bird and mammal ecology in terrestrial ecosystems. However, our understanding of the role of water as a limiting resource for birds and mammals remains ...partial because most of the studies have focused on surface water bodies in desert and semi‐desert ecosystems. This study assessed the use of two types of surface water bodies (waterholes and epikarst rock pools) and one arboreal (water‐filled tree holes) by birds and mammals in the seasonally dry tropical forests of the Calakmul Biosphere Reserve in southern Mexico. We deployed camera traps in 23 waterholes, 22 rock pools, and 19 water‐filled tree holes in this karstic region to record visits by small, medium, and large‐bodied birds and mammals during the dry and rainy seasons. These cameras were set up for recording videos documenting when animals were making use of water for drinking, bathing, or both. We compared the species diversity and composition of bird and mammal assemblages using the different types of water bodies by calculating Hill numbers and conducting nonmetric multidimensional scaling (NMDS), indicator species, and contingency table analyses. There was a greater species richness of birds and mammals using surface water bodies than tree holes during both seasons. There were significant differences in species composition among bird assemblages using the different water bodies, but dominant species and diversity remained the same. Terrestrial and larger mammalian species preferentially used surface water bodies, whereas arboreal and scansorial small and medium mammals were more common in arboreal water bodies. These findings suggest that differences in water body characteristics might favor segregation in mammal activity. The different water bodies may act as alternative water sources for birds and complementary sources for mammals, potentially favoring species coexistence and increasing community resilience to environmental variation (e.g., fluctuations in water availability). Understanding how differences in water bodies favor species coexistence and community resilience is of great relevance from a basic ecological perspective but is also crucial for anticipating the effects that the increased demand for water by humans and climate change can have on wildlife viability.
This study examined the utilization of surface and arboreal water sources by birds and mammals in a seasonally dry tropical forest in southern Mexico. Camera traps were deployed in waterholes, rock pools, and water‐filled tree holes in the Calakmul Biosphere Reserve, Mexico. Bird and mammal species richness was higher in surface water bodies, with notable differences in usage patterns. Larger mammals preferred surface water, while arboreal mammals favored tree holes. The findings highlight the potential for water sources to influence species coexistence and community resilience in response to environmental changes.
Human adenovirus 36 (HAdV-36) has been associated with obesity and changes in glucose and lipid metabolism. The virus has been reported to increase insulin sensitivity and paradoxically promote ...weight gain. Because of its effects on metabolism, infection with the virus could alter the response to several drugs used to treat type 2 diabetes (DM2), such as metformin. The aim of this study was to test whether HAdV-36 affects the response to metformin in a group of obese patients with DM2.
In a prospective cohort study, 103 obese patients with newly diagnosed DM2 were divided into two groups based on their HAdV-36 seropositivity (+HAdV-36 and -HAdV-36). Weight, glucose, cholesterol, triglycerides, body mass index, body fat percentage, and waist and hip circumference were measured and compared in both groups at baseline and after 45 days of metformin treatment.
Only glucose was significantly lower in the +HAdV-36 group at baseline, while all other variables were similar between the two study groups. After 45 days of follow-up, it was observed that the effect of metformin did not differ between the groups, but the variables improved significantly after treatment.
In this study, we did not find that HAdV-36 had an effect on the response to metformin in obese patients with DM2.
The use of apps in portable electronic devices has increased as important tool for mathematics teaching children. Although, at the same time, children’s physical inactivity has increased. This ...contradiction is reversed through a basic mathematics videogame and its dancing board. To use it, the user has to do physical activity.
This opportunity was identified by TRIZ Theory. The videogame was programmed in Unity 3D™ software (free version). The device was made with free access technology and low costs materials. Before to define the best design, it was tested three different patterns. The videogame contains different difficulty levels according the user knowledge. It also has tools to identify every user performance and help to manage different class groups.
El uso aplicaciones de dispositivos móviles como alternativa para el aprendizaje de matemáticas se ha incrementado en los niños; aunque su uso ha influido en el incremento del sedentarismo infantil. Se atiende la contradicción: uso de la tecnología sin sedentarismo a través de un videojuego y su tablero de baile. Su uso requiere que el usuario realice actividad física, evitando así, el sedentarismo.
Se identificó la oportunidad de desarrollo por medio de la TRIZ. El videojuego se programó en el software Unity 3D™. El dispositivo se ha creado con tecnologías de libre acceso y materiales de bajo costo. Antes de seleccionar la última configuración, se probaron tres diseños diferentes. El videojuego está diseñado con niveles de dificultad acordes a los conocimientos del usuario. También posee herramientas que permiten conocer el desempeño de cada estudiante y la gestión de diferentes grupos.
El sector Fintech en México ha cobrado gran relevancia, y muestra de ello ha sido su crecimiento del 14% durante 2019, con 441 empresas y la generación de 60,000 empleos. El objetivo de esta ...investigación es analizar la adopción de las Fintech por la generación Millenial en el Estado de San Luis Potosí, México. Se conformó una muestra seleccionada a conveniencia de 90 personas, cuyo rango de edad se encuentra entre los 20 y 50 años, y a la cual se le aplicó un instrumento de 30 preguntas relacionadas al conocimiento, uso y manejo de las Fintech. El trabajo es de carácter exploratorio y se adopta un enfoque cuantitativo-correlacional. Los resultados ponen de manifiesto que los Millenials adoptan en mayor medida estas tecnologías, siendo uno de los factores determinantes el costo asequible que ofrecen en comparación con la banca tradicional. Los encuestados manifestaron una preferencia para realizar sus transacciones financieras por medio de plataformas tecnológicas, en lugar de acudir a una sucursal.
El objetivo del presente trabajo fue evaluar el desempeño de una red de distribución de agua potable. Los datos se obtuvieron por medio del personal del sistema de aguas del municipio en estudio. Se ...emplearon métricas de capacidad Six Sigma para evaluar su desempeño mediante la simulación con el software EPANET. De acuerdo con los resultados, el sistema estudiado no cumple con los requerimientos de los usuarios. El desabastecimiento de agua no se debe a la falta de extracción, sino a las pérdidas que ocurren en el sistema, que pueden alcanzar hasta el 43 %. Se comparó el desempeño actual con el obtenido al inducir cambio en la simulación. El desempeño de la red puede ser mejorado con cambios en algunas condiciones de bombeo, distribución; además, la red requiere revisión y mantenimiento para evitar la pérdida de agua. Incrementar la extracción ocultaría el problema de desperdicio y generaría sobreexplotación de los pozos.
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