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1
tesis de grado
La investigación es de tipo descriptiva, transversal, de diseño no experimental. Estudia la variable atención selectiva con el propósito de determinar cuál es el nivel de atención selectiva que presentan los estudiantes de primaria de 9, 10 y 11 años de Ica. Se trabajó en una muestra no intencional de 123 estudiantes de educación primaria comprendido entre las edades de 9, 10 y 11 años, siendo 65 varones y 58 mujeres; se utilizó el instrumento de Percepción de diferencias (CARAS) de L. Thurstone y M. Yela adaptado por Delgado y colaboradores (2004) para medir el nivel de atención selectiva de los estudiantes; la información fue procesada mediante el programa SPSS 22 así mismo se elaboró nuevos baremos para la población. Los resultados fueron que los estudiantes presentaron niveles muy bajos hasta niveles muy altos de AS, con mayor índice en niveles promedio y promedio b...
2
artículo
The selection process of design team subcontractors by real estate companies is crucial in construction projects, directly affecting the quality and efficiency of the final results. However, the lack of time to evaluate potential subcontractors can lead to inadequate selection and negatively impact the project development. This study proposes an innovative approach to improve confidence in the selection processes of design team subcontractors in multifamily building projects by implementing Set Based Design (SBD) and Choosing by Advantages (CBA) methodologies. These methodologies, supported by Excel Macros programming and data visualization in Power BI, aim to automate and optimize the selection process, reducing human intervention. The study follows these steps: (1) information registration and analysis by experts, (2) determination of the conventional subcontract selection process in t...
3
artículo
Objetives: To describe the occupational medical characteristics of professional drivers and the toxicological results present in traffic accidents in an occupational health center in Metropolitan Lima. 2014-2018. Material and methods: Retrospective descriptive study of secondary source data analysis. The sample size analyzed was 11520 professional drivers from the city of metropolitan Lima during 2014 to 2018, selected from an unnamed database using a probabilistic simple randomization sample. Univariate descriptive statistics were used using absolute and relative frequency values, calculation of 95% confidence intervals and error diagrams for each of the variables, identifying the differences in each of the categories or levels of the variable. The information processing was performed in the statistical program R version 3.6. Results: 64% of drivers suffer from overweight or obesity, 58...
4
artículo
The objective of the research was to propose an adaptive system for traffic signalized intersections in the city of Jaén, based on algorithms and program execution. The design of the study was quantitative and experimental. Therefore, field data and primary sources were collected and analyzed to later build algorithms using the Knowlegde Discovery Databases methodology, going on to create an information base, train and validate with prediction algorithms the models that included selected variables, then predict times, which classify to a level of service; and finish with the development of a program using Visual Studio compatible with the generated algorithms, all this bearing in mind the Webster method and Highway Capacity Manual. The intersections were classified in their current situation with delays of 11.41 and 8.32 seconds, and levels of service "B", and "A"; two high precision mo...
5
tesis de grado
Universidad Nacional Agraria La Molina. Facultad de Zootecnia. Departamento Académico de Producción Animal
6
tesis de maestría
Universidad Nacional Agraria La Molina. Escuela de Posgrado. Maestría en Producción Animal
7
tesis de grado
Determinar la efectividad de la inspección visual con ácido acético (IVAA) en comparación con la reacción en cadena de la polimerasa (PCR) en la detección del Virus del Papiloma Humano (VPH) en el Hospital Vista Alegre durante los años 2023-2024. Materiales y métodos: Estudio comparativo, cuantitativo, no experimental y retrospectivo. Se analizó una muestra de 293 pacientes seleccionadas aleatoriamente entre 519 historias clínicas. Se evaluaron las tasas de sensibilidad, especificidad y concordancia (índice Kappa) entre IVAA y PCR. La recolección de datos se realizó a partir de las historias clínicas, y los resultados fueron procesados utilizando software estadístico. Resultados: La sensibilidad del IVAA fue de 22.9% y su especificidad de 98.4%, mientras que la PCR presentó una mayor sensibilidad para identificar infecciones subclínicas de VPH. El índice Kappa de concor...
8
artículo
The exchange of news on social networks has become a new source of income for the media. In this regard, it is argued that traditional media have had to adapt to the new reality to survive in the new media environment where they compete with news portals. This proliferation of media has allowed citizens to have more options to choose the news of their choice. Under the assumption that voters' preferences for related media affect the editorial lines of the media, the article investigates what type of media, traditional or digital, is more likely to satisfy the demands of readers. To answer this question, data extracted from Twitter about the #Frena case in Mexico is used. The modeling and visualization of the same were done in the RStudio program. The findings suggest that users tend to share media hyperlinks that are ideologically closer to their political beliefs and that digital media ...
9
artículo
The exchange of news on social networks has become a new source of income for the media. In this regard, it is argued that traditional media have had to adapt to the new reality to survive in the new media environment where they compete with news portals. This proliferation of media has allowed citizens to have more options to choose the news of their choice. Under the assumption that voters' preferences for related media affect the editorial lines of the media, the article investigates what type of media, traditional or digital, is more likely to satisfy the demands of readers. To answer this question, data extracted from Twitter about the #Frena case in Mexico is used. The modeling and visualization of the same were done in the RStudio program. The findings suggest that users tend to share media hyperlinks that are ideologically closer to their political beliefs and that digital media ...
10
tesis de grado
Excelentísimos Miembros del Jurado: El presente trabajo tiene como finalidad ofrecer a los docentes del nivel primaria una herramienta metodológica como es la aplicación del programa basado en la música de Mozart la misma que permite el desarrollo autónomo y eficaz de los niveles de inteligencia visual-espacial en los alumnos del 5 “A” del nivel primario de la Institución Educativa Javier Pulgar Vidal, con el propósito de lograr que la música de Mozart influya en la personalidad y la inteligencia del niño mejorando su inteligencia visual-espacial, evidenciándose en sus niveles de logro. Asimismo, en cumplimiento del Reglamento de Grados y Títulos del Instituto Superior de Música Público Daniel Alomía Robles presento ante ustedes la Tesis Titulada “Programa basado en la música de Mozart para mejorar la inteligencia visual-espacial en los alumnos del 5 “A” del nive...
11
tesis de grado
The objective of this research is to improve student learning, through the Ideas Quim program it is sought to determine the influence on capacity includes and applies scientific knowledge in the third grade students of the Secondary Educational Institution Agro Industrial 128 Conima in the Moho province, in Puno._x000D_ The Ideas Quim program is a set of twelve sessions, which presents the development of visual organizers as a characteristic; in the development of the program a series of readings, practical exercises, selection of key words, projection of videos and short experiments are made, then a synthesis is made in visual organizers, as well as the cause - effect diagram, conceptual maps and mental maps; Finally, the students explain what they have understood by making use of the visual organizer created by them._x000D_ The research was of quantitative and pre-experimental design a...
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artículo
This article systematizes the learning experiences developed by members of a film analysis community of practice whose purpose was to educate gazes to offer resistance to the coloniality of seeing. It describes the theoretical foundations of decolonial audiovisual literacy, and the political-pedagogical project from which the education process was promoted. In addition, it presents the films that were analyzed and the criteria that guided the selection process. It explains from which assumptions and in which way the systematization of experiences was carried out by facilitators and apprentices participating in the Sound Film Grammar subject of the Specialization in Film Studies (EEC) of the University of Veracruz (Mexico): a graduate program where apprentices from diverse academic disciplines participate. By presenting empirical evidence of the apprentices’ voices and gazes, it describ...
13
artículo
This article systematizes the learning experiences developed by members of a film analysis community of practice whose purpose was to educate gazes to offer resistance to the coloniality of seeing. It describes the theoretical foundations of decolonial audiovisual literacy, and the political-pedagogical project from which the education process was promoted. In addition, it presents the films that were analyzed and the criteria that guided the selection process. It explains from which assumptions and in which way the systematization of experiences was carried out by facilitators and apprentices participating in the Sound Film Grammar subject of the Specialization in Film Studies (EEC) of the University of Veracruz (Mexico): a graduate program where apprentices from diverse academic disciplines participate. By presenting empirical evidence of the apprentices’ voices and gazes, it describ...
14
tesis de grado
The present quantitative, quasiexperimental, cross, of unknown selection. It aimed to determine the effectiveness of visual broadcast media: poster and flyer, to increase assistance of mothers at early stimulation program between the months of August and September 2016 in hospital I La Esperanza. The sample population consisted of 151 assistance’s mothers to the events scheduled selected for inclusion criteria. The data collection was applied by an attendance registry of mothers. The information obtained was tabulated and analyzed with statistical methodology, the pictures are presented in tables of double entry, statistical analysis was performed using. According to the results it came to the following conclusion: The average attendance of 1 person per day for the poster and 9 people per day for the steering wheel, making clear the difference in effectiveness between the two and the v...
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artículo
Objective: To estimate seroprevalence of human toxocariosis in Lima inhabitants. Design: Cross-sectional study, non aleatory selection. Material and methods: To people living in Lima city urban marginal communities, an interview and clinical examination were done and serum samples obtained to detect antibodies against Toxocara by ELISA technique. Stool samples were also obtained to check parasites causing cross reactions with serology. Results: From 553 persons examined 23,3% were reactive. There were no sex differences and ELISA results related to anemia, leucocytosis, eosinophilia or intestinal parasites. People older than 15 yearold had twice the possibility to be reactive. Most frequent symptom in positive individuals was decrease of visual capacity. Most frequent parasites were Blastocystis hominis, Entamoeba coli, Giardia lamblia. Conclusions: Human toxocariosis is frequent in Lima...
16
artículo
La disponibilidad limitada de germoplasma de maíz palomero de alto rendimiento con buena calidad de expansión sigue siendo un desafío importante en Nigeria. Este estudio evaluó 36 híbridos simples de maíz palomero, sus líneas parentales y una variedad testigo en tres zonas agroecológicas distintas de Nigeria durante las temporadas de cultivo de 2019 y 2020 con el objetivo de identificar híbridos sobresalientes para los productores de palomitas de maíz. Se observó una variación genética significativa entre los híbridos y sus líneas parentales en la mayoría de los rasgos evaluados. El híbrido M4 × V4, con un rendimiento superior de grano (1.92 t.ha⁻¹) y una alta ventaja heterótica en rendimiento (62.71 %) sobre el testigo estándar, se destacó como un candidato potencial para la adopción comercial. Los híbridos M1 × V7, M2 × V8, M4 × V9 y M3 × V9 demostraron un...
17
tesis de grado
El presente trabajo de suficiencia profesional tuvo como objetivo general, fortalecer las competencias cognitivas de percepción, atención y memoria en un adolescente hospitalizado, mediante el programa “Aprendo y desarrollo mis habilidades”. Los objetivos específicos fueron tres: mejorar las competencias cognitivas del adolescente en el área de percepción: visual y auditiva; potenciar las competencias cognitivas del adolescente en el área de atención: selectiva, dividida y sostenida, y fortalecer las competencias cognitivas del adolescente en el área de memoria de trabajo. El caso tuvo como participante a un adolescente de diez años de edad con deficiencias cognitivas básicas. Las técnicas empleadas fueron: ludoterapia, gimnasia cerebral y mnemotecnia, empleándose actividades acorde a las áreas de intervención. Así mismo, se creó indicadores monitoreados con una ficha...
18
tesis de grado
Las prácticas de alimentación complementaria son los hábitos que tienen las madres de niños menores de 2 años, e incluyen los tipos de alimentos que ofrecen, las prácticas de higiene y la interacción de la madre con su hijo durante este proceso. Objetivo: Determinar las prácticas de alimentación complementaria de madres con niños de seis a veinticuatro meses que asisten al programa de CRED del Centro de Salud Santa Clara en Ate, 2024. Material y métodos: Investigación cuantitativa, no experimental y de tipo descriptivo. La muestra estuvo conformada por 90 madres con sus hijos de entre seis y veinticuatro meses, seleccionadas mediante muestreo por conveniencia. A las madres se les aplicó el cuestionario auto administrado “Prácticas de alimentación complementaria”. Resultados: El 68.9% de las madres presenta prácticas inadecuadas. La mayoría inicia la alimentación com...
19
tesis de maestría
El trabajo de investigación es un programa de juegos infantiles para mejorar el lenguaje oral en los estudiantes de 5 años de la I.E. Nº 1661 La Alegría del Saber de la ciudad de Nuevo Chimbote, realidad problemática, donde se observó alteraciones e inconsistencias en el lenguaje, expresando frases y oraciones cortas, omitiendo y sustituyendo fonemas en palabras que utilizan los niños al momento de manifestar sus ideas en diálogos y conversaciones con sus compañeros. Para ello se planteó como objetivo determinar que el programa de juegos infantiles mejore significativamente el lenguaje oral en los estudiantes de 5 años. La investigación fue de tipo Aplicativa cuyo diseño es pre experimental, pre y post test con un solo grupo de trabajo, utilizando como técnica la observación e instrumento de aplicación el Test PLON-R, el cual nos permitió conocer los resultados de las di...
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artículo
The adoption of M-learning and perceptual learning style preferences of South American EFL learners in a business English course were studied empirically. The descriptive correlational research design was used in this study. Data were gathered from 125 South American EFL students who were carefully sampled among 184 mobile-phone-wielding students registered in a business English program at a selected South American university. The Perceptual Learning Style Preference Questionnaire and Mobile Learning Questionnaire (MLQ) were used in the study (PLSPQ). The data revealed that students in a business English course have a high level of M-learning adoption. It was discovered that respondents favor auditory learning, visual learning, individual learning, tactile learning, and group learning with kinesthetic learning receiving the least attention. When students are grouped by gender and age, te...