Efecto de un ancla numérica en una tarea de numerosidad en monos maiceros (Sapajus apella)

The anchoring effect, very well-known and robust, has never been shown in non-human subjects. Based on Frederick and Mochon's proposal of a scale distortion theory that explains the anchoring effect in humans (2011a), this research project aims to test scale distortion in capuchin monkeys (Sapajus apella). The main research question was: What is the effect of exposure to a numeric anchor prior to solving a quantity discrimination task in capuchin monkeys? To answer that question, 6 capuchin monkeys were tested in a total of 1191 trials of a quantity discrimination task in which they had to choose one out of two containers with different amounts of peanuts. A change in their response patterns due to anchor exposure was expected. The 5 monkeys that understood the task were not able to consistently choose the higher amount as capuchin monkeys have been shown to do in similar tasks multiple times in the past...

• Autores: Carvajal Villalobos, Luz Angela
• Fecha de publicación: 2018
• Institución: Universidad de los Andes
• Repositorio: Séneca: repositorio Uniandes
• Idioma: spa
• OAI Identifier: oai:repositorio.uniandes.edu.co:1992/61856
• Acceso en línea: http://hdl.handle.net/1992/61856
• Palabra clave: Elección (Psicología); Sapajus apella; Toma de decisiones
• Rights: openAccess
• License: http://creativecommons.org/licenses/by/4.0/