Vol. 34 No. 1 (2020): Uniciencia. January-june, 2020

Original scientific papers (evaluated by academic peers)

• Study of the effects of an earthquake on a geodetic reference frame

  Jose Valverde-Calderón (Author)

  1-19

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.1

• Integration of Remote Usability Tests in eXtreme Programming: A Literature Review

  Diego Sánchez-Hernández, Fulvio Lizano-Madriz, María Marta Sandoval-Carvajal (Author)

  20-31

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.2

• Comparison of fatty acids profile of the gonads and eggs of Lutjanus guttatus (Perciformes: Lutjanidae) obtained from wild and captive broodstock

  Jonathan Chacón-Guzmán, Milagro Carvajal-Oses, Pedro Toledo-Agüero, Héctor Flores-Gatica (Author)

  32-59

  • PDF
  • HTML
  • EPUB
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.3

• Management and use of organic solid waste during the period 2013−2016 at Universidad Nacional

  Julian Rojas-Vargas, Yanory Monge-Fernández, Andrea Herrera-Araya (Author)

  60-73

  • PDF
  • HTML
  • EPUB

  DOI: https://doi.org/10.15359/ru.34-1.4

• Impacts of attitudes, social development, mother’s educational level and self-efficacy on academic achievement in mathematics

  José Andrey Zamora-Araya (Author)

  74-87

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.5

• What modes of use does the mathematics teacher propose in initial training to teach the Pythagorean theorem in secondary education?

  Jorhan José Chaverri-Hernández, Kimberly Hernández-Arce, María José Castillo-Céspedes, David Vallejos-Meléndez, Miguel Picado-Alfaro (Author)

  88-110

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.6

• Comparison of parameters of the generalized extreme value distribution associated with extreme rainfall events in Central America

  Helen S. Guillén-Oviedo, Luis R. Cid-Serrano, Eric J. Alfaro-Martínez (Author)

  111-128

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.7

• Modeling of university dropout using Markov chains

  José Alejandro González-Campos, Cristian Manuel Carvajal-Muquillaza, Juan Elías Aspeé-Chacón (Author)

  129-146

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.8

• Evaluation of the hypothesis of the Monster of Troy vase as the earliest artistic record of a vertebrate fossil

  Julián Monge-Nájera (Author)

  147-151

  • PDF
  • HTML
  • EPUB

  DOI: https://doi.org/10.15359/ru.34-1.9

• What do we Think About Water? Public Perception of the Current Situation of Water Resources in Costa Rica: an Indicator of Water Understanding and Management

  Helga Madrigal-Solís, Silvia Echeverría-Sáenz, Yanina Pizarro-Mendez, Carolina Alfaro-Chinchilla, Sylvia Jiménez-Cavallini, Jacqueline Centeno-Morales, Nelly López-Alfaro, Andrea Suárez-Serrano (Author)

  159-188

  • PDF
  • HTML
  • EPUB
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.10

• Measurement of blue water footprint in Universidad Nacional in Costa Rica from 2012 to 2016

  Fabián Chavarría-Solera, Rebeca Gamboa-Venegas, Jeison Rodríguez-Flores, Diana Chinchilla-González, Andrea Herrera-Araya, Ana Carolina Herra-Solís (Author)

  189-203

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.11

• Use of arguments and analogies in preparation for the International Biology Olympics and their contributions to promotion of scientific thinking skills in Costa Rican students

  Irama Cortés-Muñoz, Melvin Steve Porras-Araya, José Pereira-Chaves, Susana Jiménez-Sánchez (Author)

  204-218

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.12

• Factors that influence student dropout and failing grades in a university mathematics course

  Mario Castillo-Sánchez, Ronny Gamboa-Araya, Randall Hidalgo-Mora (Author)

  219-245

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.13

• College mathematics assessment practices: Tensions and challenges in their conceptual network

  Gloria García-Oliveros, Beatriz Salguero-Rivera, Oswaldo Rodríguez-Díaz, Erminsul Palomino-Bejarano, Rafael Caicedo-Valencia (Author)

  246-262

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.14

• Representation in the solution of mathematical problems: an analysis of metacognitive strategies of secondary education students

  Blanca Arteaga-Martínez, Jesús Macías, Noemí Pizarro (Author)

  263-280

  • PDF (Spanish)
  • HTML (Spanish)
  • EPUB (Spanish)

  DOI: https://doi.org/10.15359/ru.34-1.15