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41by Dionisio Reyes, Yudalia Juana“... reviews basic concepts of probability theory, inference and sampling. Finally, it presents some...”
Published 2015
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42“.... Methodology: a probabilistic stratified random sampling by level of complexity was done and then a simple...”
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43“... descriptive study, using non-probability sampling for convenience of year selection. The evaluation...”
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44by Moraima Fernández-Rodríguez, Bicera Nfundiko Christian, Rafael Guardado-Lacaba, Yuri Almaguer-Carmenates“... taken 13 samples in total around the river bed and in different points subsequent and previous...”
Published 2018-06-01
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45by Manuel Molina“... design, with antegrade direction and concurrent temporality, with sampling of a closed cohort and control...”
Published 2019-01-01
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46by Wilmer Antonio Ortiz“... in the Department of Basic Sciences of the Dean of Civil Engineering of the Universidad Centroccidental Lisandro...”
Published 2018-04-01
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47by Manuel Molina“... temporality, with sampling of a closed cohort and control of the exposure. It is the most appropriate design...”
Published 2018-07-01
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48Primera serie dendroarqueológica en los Andes Centrales: resultados preliminares de Chankillo, Casma“... from the algarrobo (Prosopis sp.) tree meets basic requirements for its use in the discipline. The goal...”
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49by Daniel Campos Ruiz Diaz“... and overcome poverty in general and especially rural poverty. It was a representative sample at the level...”
Published 2016-06-01
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50“... global psychomotor development of basic concepts in children four years of a private educational...”
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51“... global psychomotor development of basic concepts in children four years of a private educational...”
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52by Fred G. Manrique A, Juan M. Ospina D, Giomar M. Herrera A, Sandra M. Camacho, Deisy L. Saavedra“... sample of seronegative pregnant women at risk of acquiring Chagas disease in two municipalities with high...”
Published 2010-11-01
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53by Ruth Cristina Hernández-Ching“... convenience sampling was used to collect data from eight students enrolled in the Bibliographic Research...”
Published 2018-02-01
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54by Gisselle María Liz Gregor Retamozo, Miguel Ángel Alegre Brítez, Chap Kau Kwan Chung“...The basic tool that diagnoses the Competitive Advantage and discovers the means to improve...”
Published 2020-01-01
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55by José Raúl Tapia Varela, Deivis Samuel Palacios Salgado, Carlos Alberto Romero-Bañuelos, Salvador Ruiz Bernés, Roberto Padilla-Noriega, José Trinidad Nieto Navarro“.... The information regarding the length-weight relationship (LWR) is basic for the development...”
Published 2020-03-01
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56Envejecimiento y capacidad funcional en adultos mayores institucionalizados del occidente de México.by Raymundo Velasco Rodríguez, Marcela Bejines Soto, Rogelio Sánchez Gutiérrez, Ana Bertha Mora Brambila, Verónica Benítez Guerrero, Lidia García Ortiz“... basic daily activities. Methods: A multicenter, cross-sectional descriptive study was conducted on 373...”
Published 2015-01-01
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57by José Antonio López-Villalobos, Ana María Sacristán-Martín, Mercedes Garrido-Redondo, María Teresa Martínez-Rivera, María Victoria López-Sánchez, Luis Rodríguez-Molinero, Ana Belén Camina-Gutiérrez, Jesús Andrés-de Llano“... and methods: The study included a sample of 228 participants between 8 and 14 years old (114 controls, 57 ADHD...”
Published 2019-05-01
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58by José Antonio López-Villalobos, Ana María Sacristán-Martín, Mercedes Garrido-Redondo, María Teresa Martínez-Rivera, María Victoria López-Sánchez, Luis Rodríguez-Molinero, Ana Belén Camina-Gutiérrez, Jesús Andrés-de Llano“...-T), untreated cases (ADHD-N), and controls. Material and methods: The study included a sample of 228...”
Published 2019-05-01
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59by Alfaro Meza, Ténesis Jesús, Barbieri Piñarreta, Ruth Mercedes, Bulnes Herrera, Catherine Jannett, Contreras Bonilla, José Antonio“... large dimensions Basic human needs, Foundations of well-being and Opportunities. A research with a...”
Published 2021
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60“... and writing are the basic and constitutive academic elements of literacy. In the face of this problem...”
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