Search results for "WLS"
showing 10 items of 41 documents
Gray plumage color is more cryptic than brown in snowy landscapes in a resident color polymorphic bird
2020
Abstract Camouflage may promote fitness of given phenotypes in different environments. The tawny owl (Strix aluco) is a color polymorphic species with a gray and brown morph resident in the Western Palearctic. A strong selection pressure against the brown morph during snowy and cold winters has been documented earlier, but the selection mechanisms remain unresolved. Here, we hypothesize that selection favors the gray morph because it is better camouflaged against predators and mobbers in snowy conditions compared to the brown one. We conducted an online citizen science experiment where volunteers were asked to locate a gray or a brown tawny owl specimen from pictures taken in snowy and snow…
Measurement invariance of the Satisfaction with Life Scale by gender, age, marital status and educational level
2019
Introduction The Satisfaction with Life Scale (SWLS) has shown strong evidence of acceptability, reliability, validity and invariance for gender, whereas there is mixed evidence of invariance by culture and age and the literature has not explored the roles of marital status and educational level. The SWLS should be invariant by marital status and educational level to be able to compare scores between groups. We aimed to explore the invariance of the SWLS by marital status and educational level. Method A convenience sample of 726 Spanish adults participated in a survey. We tested a one-factor model using confirmatory factor analysis. We tested the configural, metric and scalar invariance of …
Sobre cerámicas Helenísticas en Iberia / Hispania. Significado y funcionalidad
2012
In this work we are going to take a chronological and typological tour by studying the iconography that appears in the Hellenistic wares imported from the Central and Oriental Mediterranean between 3rd and 2nd centuries BC in Hispania Citerior, in particular from Cartagena. We are going to analyze its functionality in the places of origin, and with the help of the Hispanic contexts we will conclude whether its presence here is a consequence of a certain commercial dynamic, or if it answers to a decorative preference, of taste or trend; even if the images are significant related to ritual or convivial uses, public or private, by the local inhabitant who acquires and uses them.
Recognition of familiarity on the basis of howls: a playback experiment in a captive group of wolves
2015
Playback experiments were conducted with a pack of captive Iberian wolves. We used a habituation–discrimination paradigm to test wolves’ ability to discriminate howls based on: (1) artificial manipulation of acoustic parameters of howls and (2) the identity of howling individuals. Manipulations in fundamental frequency and frequency modulation within the natural range of intra-individual howl variation did not elicit dishabituation, while manipulation of modulation pattern did produce dishabituation. With respect to identity, across trials wolves habituated to unfamiliar howls by a familiar wolf (i.e., no direct contact, but previous exposure to howls by this wolf), but not to unfamiliar ho…
The Role of Searle's Constitutive Rules for the Rational Criticizability of Institutional Reality
2013
My hypothesis is that we can derive the normative conditions that institutions and institutional acts have to meet in order to be rationally acceptable/recognizable from the logical structure of institutional reality. Developing Searle's achievements on the constitutive role of speech acts in the construction of institutional reality and on their character of institutional acts, I'll show that the same types of constitutive rules underlying illocutionary acts also underlie institutional reality. I’ll then argue that we can derive a specific set of normative criteria for the rational criticizability of institutional acts from these constitutive rules in the same way that we can derive normat…
La igualdad de recursos de Ronald Dworkin: ¿una concepción fallida? | Dworkin’s Equality of Resources, a failed account?
2014
Resumen: Este artículo analiza la igualdad de recursos planteada por Ronald Dworkin. Sostiene que la propuesta es exitosa a la hora de mostrar que, bien entendida, la responsabilidad individual justifica un estado del bienestar más generoso que los que tenemos pero que no consigue identificar adecuadamente instituciones que la satisfagan adecuadamente. Dworkin no resuelve bien las objeciones que cuestionan la capacidad de su propuesta para generar resultados que sean fieles a la intuición que la motiva. Su respuesta hace depender el éxito de la implementación de su teoría de circunstancias que pueden no darse en la realidad. Abstract: This article examines Ronald Dworkin’s equality of res…
Fiducia ed etica pubblica. Una prospettiva fenomenologica
2021
L’etica pubblica riflette sull’intreccio di relazioni e equilibri che legano i cittadini, le istituzioni, la società civile e le comunità. Per essere efficace, questa riflessione deve abbandonare il formalismo dei ragionamenti astratti e ripartire dalle esperienze concrete che definiscono lo spazio pubblico. Il libro si interroga su tale dimensione densa di interrogativi morali dall’angolatura offerta dall’esperienza della fiducia e dal problema della convivenza interraziale. Attingendo agli strumenti metodologici offerti dalla fenomenologia, si esplorano le dinamiche, le motivazioni, le intenzionalità che danno vita allo spazio pubblico. La fiducia emerge così non come mero sentimento funz…
Fundamentación filosófica de la justicia intergeneracional
2012
Considerando el alcance de las consecuencias de nuestra crisis ecológica, un imperativo moral nos recuerda la necesidad de velar por las condiciones de vida de las generaciones futuras. Este texto ofrece un repaso por las principales propuestas filosóficas que han abordado dicho imperativo, tanto a su favor como en su contra. Hans Jonas y John Rawls han representado cada uno por su lado dos de las tendencias más importantes. El primero se ha ocupado de una fundamentación metafísica, mientras que el segundo ha optado por la política. La segunda parte de la tesina muestra igualmente como el debate se ha prolongado a través de las escuelas contractualistas y utilitaristas, filtrándose de este …
Rawls, l'educazione e l'uguaglianza delle opportunità
2000
International audience
Rawls, l'éducation et l'égalité des chances
1999
International audience