Results 61 to 70 of about 42,344 (212)

Nonstandard Errors

open access: yesThe Journal of Finance, Volume 79, Issue 3, Page 2339-2390, June 2024.
ABSTRACT In statistics, samples are drawn from a population in a data‐generating process (DGP). Standard errors measure the uncertainty in estimates of population parameters. In science, evidence is generated to test hypotheses in an evidence‐generating process (EGP).
ALBERT J. MENKVELD   +342 more
wiley   +1 more source

Measuring Language Gains in a Foreign Language Context

open access: yesColombian Applied Linguistics Journal, 2020
Learning gain can be defined as the difference between students’ language competences demonstrated at two different points in time. In this article, we reported on a small-scale study aimed at measuring learning gains and piloting the methods chosen ...
Ana Muñoz Restrepo   +3 more
doaj   +1 more source

A Quantitative Provenance Analysis (QPA) Approach to Quantify Controls on Sediment Generation and Sediment Flux in the Upper Reaches of the Magdalena River (Colombia): 1. Natural and Anthropic Controls on the Sand Fraction

open access: yesJournal of Geophysical Research: Earth Surface, Volume 129, Issue 5, May 2024.
Abstract This study investigates the upper Magdalena river basin (Colombia), which is characterized by tectonic activity, tropical climate, heterogeneous lithological assemblages, and anthropic influence. It aims to comprehend factors controlling sediment generation, flux, and composition by incorporating petrographic data from 27 recent fluvial ...
S. Liedel   +6 more
wiley   +1 more source

López, Juan Carlos y Mario Cerutti (editores). Historia económica y empresarial México-Colombia, s. XIX–XX. Nueve estudios de economía regional

open access: yesH-Industri@, 2019
Reseña de: López, Juan Carlos y Mario Cerutti (editores). Historia económica y empresarial México-Colombia, s. XIX–XX. Nueve estudios de economía regional.
María Fernanda Erazo Obando
doaj  

A Quantitative Provenance Analysis (QPA) Approach to Quantify Controls on Sediment Generation and Sediment Flux in the Upper Reaches of the Magdalena River (Colombia): 2. Lithological Control on Contribution to Silt‐ to Clay‐Sized Fractions

open access: yesJournal of Geophysical Research: Earth Surface, Volume 129, Issue 5, May 2024.
Abstract The composition of 27 fluvial silt and clay sediments was used in this study to identify and quantify the processes in the upper valley of the Magdalena river in South Colombia. The combination of seismic activity, intense precipitation, and landsliding resulted in limited chemical weathering and a very efficient transfer of weathered products
S. Liedel   +5 more
wiley   +1 more source

Presentación

open access: yesRicercare, 2018
Presentación. Gil Araque, Fernando. Revista Ricercare. No. 9, Julio-Diciembre de 2018. pp.2-8. Universidad EAFIT, Revista del Departamento de música, Grupo de investigación en Estudios musicales. ISSN 2346-4879.
Fernando Gil Araque
doaj  

onciliación trabajo – familia en mujeres ejecutivas de empresas privadas de la ciudad de Medellín

open access: yesCuadernos Hispanoamericanos de Psicología, 2019
The current study aims to understand the work-family conciliation experience in a group of women in management positions from private companies in the city of Medellín. This qualitative study was based on in-depth interviews.
Natalia Villa Correa   +3 more
doaj   +1 more source

La experimentación educativa, social y técnica en los medialabs universitarios

open access: yesRevista Complutense de Educación, 2020
El presente estudio explora las actividades, los proyectos y las líneas de acción de veinticuatro medialabs de instituciones de educación superior elegidos a partir de un sistema no probabilístico.
María Isabel Villa   +2 more
doaj   +1 more source

Reestructuración del proceso de desarrollo de productos de la empresa ARBORIT S.A. [PDF]

open access: yes, 2012
El presente proyecto de grado de Ingeniería de Diseño de Producto de la Universidad EAFIT se realizó con el fin de reestructurar el proceso de desarrollo de productos de la empresa ARBORIT S.A. Dicha propuesta se llevó a cabo principalmente utilizando la
Davidson Berrío, Érica   +2 more
core  

Reducing Cadmium in Cocoa (Theobroma cacao) Cultivars: Analysis of Advantages and Limitations of Different Strategies and Their Potential Application in Colombia

open access: yesInternational Journal of Agronomy, Volume 2024, Issue 1, 2024.
The large global demand for cocoa positions this fruit as an agrifood product of great economic value, with high‐quality standards regarding its sensory and nutritional characteristics. Entities such as the Pollutants Panel of the European Food Safety Authority (EFSA) and the European Union (EU) have strictly regulated cadmium (Cd) content in cocoa ...
Claudia Lucumí Villegas   +4 more
wiley   +1 more source

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