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La confiabilidad de las evaluaciones del aprendizaje conceptual: Índice Spearman-Brown del método split-halves = Reliability of the evaluation of conceptual learning: index of Spea... by Rositas, J., Badii Zabeh, Mohammad Hosein, Castillo, J.

“…Abstract. Based upon the curiosity to evaluate in a reliable and consistent fashion, the acquisition of knowledge, several methods of evaluating conceptual learning are presented, and among these, the method of Index of Spearman-Brown within the split-halves method is used for the estimation of the reliability of the measurement instrument. …”
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Outsourcing de software: Variables críticas en el proceso de toma de decisiones (Software outsourcing: Variables involved in decision making) by Palomo González, Miguel Ángel, Cantú, José

“…Outsourcing is defined as business processes that are performed by an organization (Supplier) establishes a contractual relationship (Costumer-Supplier) and is given the responsibility for execution of business processes to the supplier. Based on the significant investment in imports generated by companies in Mexico, it was performed a literature review to identify the key variables that, in principle, influence the decision to turn to Software Outsourcing and, at the end, we propose a Software Outsourcing Model. …”
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Degradación fotocatalítica solar de diclofenaco mediante óxido de zinc modificado con fluoruro. by Rueda Sayala, Laura

“…El uso de este catalizador modificado con fluoruro demostró en este estudio ser eficiente para la degradación de un contaminante emergente como el diclofenaco, por lo cual esta investigación establece las bases para el desarrollo de nuevas tecnologías sustentables basadas en el uso de un recurso natural como es la energía solar.…”
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Quenching simulation of steel grinding balls by Colás Ortíz, Rafael, Zapata Hernández, Óscar Jesús, Reyes, Luis A., Camurri, Carlos, Carrasco, Claudia, Garza Montes de Oca, Nelson Federico

“…ABSTRACT The phase transformations of high carbon steel during quenching and equalizing were modelled using commercial computer packages based on the finite element method and the kinetic transformation of steel. …”
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LADES: a software for constructing and analyzing longitudinal designs in biomedical research by Vázquez Alcocer, Alan, Garzón Cortes, Daniel Ladislao, Sánchez Casas, Rosa María

“…Several methods for constructing efficient longitudinal designs have been developed based on power analysis and the statistical model used for analyzing the final results. …”
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Análisis del comportamiento de las exportaciones del Departamento del Atlántico (Colombia) entre 2012 – 2016 = Analysis of the Behavior of the Exports of the Atlántico Department... by Lechuga Cardozo, Jorge Isaac

“…Under a quantitative approach, the documentary review based on data mining is used as a research technique in its development. …”
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Beneficios, barreras y apoyo social para el ejercicio en universitarios: diferencias por grado escolar by Cruz Castruita, Rosa María, González Castro, Juan Carlos Arturo, Raimundi, Maria Julia, Enríquez Reyna, María Cristina

“…ABSTRACT: Differences according to education level among exercise benefits, exercise barriers and exercise social support in university students were examined. Based on the model of Health Promotion Pender. Descriptive comparative design. …”
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Trustworthiness of randomized trials in endocrinology—A systematic survey by González González, José Gerardo, Dorsey Treviño, Edgar Gerardo, Alvarez Villalobos, Neri Alejandro, Barrera Flores, Francisco Jesús, Díaz González Colmenero, Alejandro, Quintanilla Sánchez, Carolina, Montori, Victor M., Rodríguez Gutiérrez, René

“…Background Trustworthy (i.e. low risk of bias) randomized clinical trials (RCTs) play an important role in evidence-based decision making. We aimed to systematically assess the risk of bias of trials published in high-impact endocrinology journals. …”
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Reassessment of the distribution and population size of Spizella wortheni by Scott Morales, Laura Magdalena, Vela Coiffier, Martha Patricia, Cotera Correa, Mauricio, Almejo Ramos, Mirna, Canales Delgadillo, Julio César

“…Our results demonstrate that conservation assessment based on limited records can exaggerate the vulnerability of species, and confirm that the Worthen’s Sparrow population and geographic distribution range are larger than previously determined, indicating that the Red List status of this species should be reconsidered. …”
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Climate complexity in the migratory cycle of Ammodramus bairdii by Bosso, Luciano, Peña Peniche, Alexander, Ruvalcaba Ortega, Irene, Rojas Soto, Octavio

“…The geographic areas with optimal, suboptimal and marginal conditions were identified, based on the distance to the centroid of the GN. …”
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Temozolomide Enhances Triple-Negative Breast Cancer Virotherapy In Vitro by Garza Morales, Rodolfo, González Ramos, Roxana, Chiba, Akiko, Montes de Oca Luna, Roberto, McNally, Lacey R., McMasters, Kelly M., Gomez Gutierrez, Jorge G

“…However, oncolytic adenovirus (OAd)-based mono-therapeutic clinical trials have resulted in modest outcomes. …”
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Nutritional contribution of fish meal and microalgal biomass produced from two endemic microalgae to the growth of shrimp Penaeus vannamei by Pacheco, Juan, Gamboa Delgado, Julián, Alvarado, Ángel, Nieto López, Martha Guadalupe, Tapia, Mireya, Cruz, Lucia

“…Results demonstrate that low dietary inclusion levels of microalgal biomass elicit similar or higher growth rates than diets based on a fish meal only. Isotopic data indicated that microalgae actually contributed protein to tissue accretion. …”
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Etiquetas de secuencias expresadas diferenciales de frutos de aguacate raza mexicana (Persea americana Mill. var. drymifolia) by Sánchez González, Enrique Ignacio, Hernández Delgado, Sanjuana, Aguirre Arzola, Víctor Eustorgio, Torres Castillo, Jorge Ariel, Gutiérrez Díez, Adriana

“…Diez genotipos con frutos de forma y tamaño diferentes fueron seleccionados para generar ESTs por la técnica de despliegue diferencial.Se obtuvieron en total 393 fragmentos diferenciales amplificados, 82 fragmentos diferenciales fueron secuenciados y editados para identificación y comparación en las bases de datos para nucleótidos y proteínas del NCBI. …”
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Transmission dynamics of an iridescent virus in an experimental mosquito population: the role of host density. by Marina Fernández, Carlos F., Fernández Salas, Ildefonso, Ibarra, Jorge E., Arredondo Jiménez, Juan Ignacio, Valle, Javier, Williams, Trevor

“…Maximum likelihood models based on the binomial distribution were fitted to empirical results. …”
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Diplomacia del Agua by García Waldman, David Horacio, Ortiz Téllez, Gustavo Daniel, Pamanes Durán, Alejandro Raisuli

“…Es por eso que no encontramos explicación de por qué la ONU no ha creado un órgano dentro de su misma institución o por qué no ha promovido la creación de algún otro organismo que sea totalmente independiente especializado en lo que se denominaría diplomacia del agua para intervenir en los conflictos presentes, lo cual coincide con la perspectiva teórica de Carius, Dabelko y Wolf “The UN should develop an integrated, systematic program of preventive water diplomacy based on modified versions of the World Bank and International Monetary Fund for Global Environment Facility framework”4 (2004). …”
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Synthesis and physicochemical characterization of photo crosslinked hydrogels of alginate/gelatin and a-tocopherol nanocapsules for their potential use as biomaterials by Palacios Santos, José Ernesto

“…Therefore, this project proposes the developments of photo crosslinked hydrogel matrices of alginate and gelatin and nanocapsules of polycaprolactone loeaded with atocopherol that have a potential use for a natural regenerative response of the skin by eliminating excessive free radicals. Based on what previously explained the question was raised: Will hydrogels made with biopolymers and loaded with nanoencapsulated a-tocopherol promotes a faster and more effective cell proliferation response? …”
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Modelo para aprendizaje basado en competencias para la utilización de software aplicado a proyectos de construcción en las empresas constructoras del área metropolitana de Monte... by Aguilar Guevara, Francisco

“…Después, en marco teórico se hace un compendio de textos y documentos pertinentes al tema de investigación, recopilados en diferentes dependencias académicas y bases de datos electrónicas, tratando de establecer un análisis de lo que dicen sus autores, y señalando de que manera apoyan lo que se plantea en este documento. …”
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Evaluación de las poblaciones de las principales presas de jaguar y puma en las serranías del municipio de Nácori Chico, Sonora, México by De Jesús Avendaño, José

“…Con esta información se pretender establecer las bases para establecer estrategias de conservación y manejo de los grandes felinos en el área. …”
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Síntesis de compuestos organoboro y su aplicación como rotor molecular fluorescente: viscocromismo y tinción celular by Lara Cerón, Jesús Alfredo

“…Propósito y método de estudio: El presente trabajo está centrado en la síntesis y caracterización espectroscópica, espectrométrica y óptica de una serie de compuestos boro derivados de bases de Schiff con aminoácidos, los cuales serán aplicados como rotor molecular fluorescente (RMF) en mezclas de diferente relación de metanol y glicerol para proveer ambientes de diferente viscosidad, con el objetivo de observar un incremento en la intensidad de fluorescencia respecto al aumento de viscosidad. …”
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Tailoring the microstructure and tribological properties in commercially pure aluminium processed by High Pressure Torsion Extrusion by Sergejev, F., Omranpour, B., Kommel, L., Ivanisenko, J., Hernández Rodríguez, Marco Antonio Loudovic, García Sánchez, Edgar, Antonov, M.

“…Three different HPTE regimes based on the extrusion speed of the punch (v, mm/min) and rotational speed of the die (Ï�, rpm) were used in this work: v7w1, v1w1, and v1w3. …”
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