Forenpsy: un banco estandarizado de testimonios ficticios de testigos para la investigación en psicología experimental y judicial
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2025-02
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Colegio Oficial de la Psicología de Madrid
Resumen
Para realizar experimentos controlados y replicables simulando juicios hemos creado ForenPsy, el primer banco de testimonios estandarizado y abierto en español. ForenPsy incluye nueve historias (tres de cada tipo de delito: homicidio, amenazas y allanamiento) con 14 testimonios cada una (siete de inocencia y siete de culpabilidad), lo que hace un total de 126. Trescientos participantes respondieron dos preguntas sobre cada testimonio: una sobre si el testimonio indicaba inocencia o culpabilidad, que muestra que el índice de acuerdo con el valor esperado fue .85, y otra sobre el grado de culpabilidad que atribuían a cada testimonio, que fue significativamente inferior para los testimonios de inocencia que para los de culpabilidad, lo que indica que los estímulos funcionaron adecuadamente. ForenPsy, así como las normas de los testimonios, está disponible en OSF y puede utilizarse y mejorarse de manera colaborativa para realizar experimentos replicables simulando contextos judiciales.
In order to conduct controlled and replicable experiments simulating legal trials, we present ForenPsy, the first standardized and open testimonial database in Spanish. We curated nine cases (three for each type of crime: homicide, threats, and burglary), with 14 testimonies each (seven suggesting innocence, seven suggesting guilt), resulting in 126 testimonies. Three hundred participants responded two questions for each testimony: one about whether the testimony suggested innocence or guilt, which showed that the index of agreement between the expected judgment and the actual judgment was .85, and another rating the degree of guilt suggested by each testimony, which yielded significantly lower values for innocence testimonies than for guilt testimonies, thereby showing that the testimonials worked properly. ForenPsy, as well as the standards for testimonies, are available at the OSF, so that it can be used and improved by researchers interested in conducting controlled and replicable experiments simulating judicial environments.
In order to conduct controlled and replicable experiments simulating legal trials, we present ForenPsy, the first standardized and open testimonial database in Spanish. We curated nine cases (three for each type of crime: homicide, threats, and burglary), with 14 testimonies each (seven suggesting innocence, seven suggesting guilt), resulting in 126 testimonies. Three hundred participants responded two questions for each testimony: one about whether the testimony suggested innocence or guilt, which showed that the index of agreement between the expected judgment and the actual judgment was .85, and another rating the degree of guilt suggested by each testimony, which yielded significantly lower values for innocence testimonies than for guilt testimonies, thereby showing that the testimonials worked properly. ForenPsy, as well as the standards for testimonies, are available at the OSF, so that it can be used and improved by researchers interested in conducting controlled and replicable experiments simulating judicial environments.
Palabras clave
Banco de datos
Psicología forense
Metodología
Ciencia abierta
Testimony
Dataset
Forensic psychology
Methodology
Open science
Psicología forense
Metodología
Ciencia abierta
Testimony
Dataset
Forensic psychology
Methodology
Open science
Descripción
Materias
Cita
Álvarez, M., Martínez Pereña, N., Agudo Díaz, U., & Matute, H. (2025). Forenpsy: un banco estandarizado de testimonios ficticios de testigos para la investigación en psicología experimental y judicial. Anuario de psicología jurídica, 35, 113-119. https://doi.org/10.5093/APJ2025A9