Abduction in economics: a conceptual framework and its model

We discuss in this paper the scope of abduction in Economics. The literature on this type of inference shows that it can be interpreted in different ways, according to the role and nature of its outcome. We present a formal model that allows to capture these various meanings in different economic contexts.     

Can the eyes reveal a person’s emotions? Biasing role of the mouth expression

In this study we investigated how perception of the eye expression in a face is influenced by the mouth expression, even when only the eyes are directly looked at. The same eyes appeared in a face with either an incongruent smiling, angry, or sad mouth, a congruent mouth, or no mouth. Attention was directed to the eyes by means of cueing and there were no fixations on the mouth. Participants evaluated whether the eyes were happy (or angry, or sad) or not. Results indicated that the smile biased the evaluation of the eyes towards happiness to a greater extent than an angry or a sad mouth did towards anger or sadness. The smiling mouth was also more visually salient than the angry and the sad mouths. We conclude that the role of the eyes as a “window” to a person’s emotional and motivational state is constrained and distorted by the configural projection of an expressive mouth, and that this effect is enhanced by the high visual saliency of the smile.     

Starting to Solve the Method Puzzle in Salesperson Self-Report Evaluations

The performance effect is used to explain the significant differences between salespersons’ self-evaluation and supervisors’ ratings of job performance. It is shown that bottom performers overestimate, whereas top salespeople underestimate their performance. Also, results indicate that bottom performers are significantly more inaccurate than top salespeople in their job performance estimation. Finally, results indicate that the relationship between inaccuracy of self-evaluation and job performance is curvilinear. Managerial implications are provided as well as directions for future research and limitations.     

Experimental evidence for action imitation in killer whales (Orcinus orca)

Comparative experimental studies of imitative learning have focused mainly on primates and birds. However, cetaceans are promising candidates to display imitative learning as they have evolved in socioecological settings that have selected for large brains, complex sociality, and coordinated predatory tactics. Here we tested imitative learning in killer whales, Orcinus orca. We used a ‘do-as-other-does’ paradigm in which 3 subjects witnessed a conspecific demonstrator’s performance that included 15 familiar and 4 novel behaviours. The three subjects (1) learned the copy command signal ‘Do that’ very quickly, that is, 20 trials on average; (2) copied 100 % of the demonstrator’s familiar and novel actions; (3) achieved full matches in the first attempt for 8–13 familiar behaviours (out of 15) and for the 2 novel behaviours (out of 2) in one subject; and (4) took no longer than 8 trials to accurately copy any familiar behaviour, and no longer than 16 trials to copy any novel behaviour. This study provides experimental evidence for body imitation, including production imitation, in killer whales that is comparable to that observed in dolphins tested under similar conditions. These findings suggest that imitative learning may underpin some of the group-specific traditions reported in killer whales in the field.     

Priming the mental time-line: effects of modality and processing mode

The notion of a mental time-line (i.e., past corresponds to left and future corresponds to right) supports the conceptual metaphor view assuming that abstract concepts like “time” are grounded in cognitively more accessible concepts like “space.” In five experiments, we further investigated the relationship between temporal and spatial representations and examined whether or not the spatial correspondents of time are unintentionally activated. We employed a priming paradigm, in which visual or auditory prime words (i.e., temporal adverbs such as yesterday, tomorrow) preceded a colored square. In all experiments, participants discriminated the color of this square by responding with the left or the right hand. Although the temporal reference of the priming adverb was task irrelevant in Experiment 1, visually presented primes facilitated responses to the square in correspondence with the direction of the mental time-line. This priming effect was absent in Experiments 2, 3, and 5, in which the primes were presented auditorily and the temporal reference of the words could be ignored. The effect, however, emerged when attention was oriented to the temporal content of the auditory prime words in Experiment 4. The results suggest that task demands differentially modulate the activation of the mental time-line within the visual and auditory modality and support a flexible association between conceptual codes.     

The Relationship Between Sexual Orientation and Gender Identification Among Males in a Cross-Cultural Analysis in Brazil, Turkey and Thailand

This study measures and compares the level of congruency between male sexual orientation and gender identification using the Kinsey Scale in three cultures: Brazil (Florianópolis), Turkey (Istanbul) and Thailand (Bangkok) with social class as the control mechanism. Quantitative techniques are utilized in comparing the self-evaluation of sexual orientation and gender identification among young men with same-sex, opposite-sex and both-sex orientations or behaviors. Results: In all three cultures, homosexuals were much more likely than bisexuals or heterosexuals to enjoy receiving anal sex and performing fellatio. Bisexual and heterosexual men, as expected, reported enjoying vaginal penetration and cunnilingus more than homosexual men. Same-sex oriented male self-evaluations of homosexual orientation and feminine gender identification scored similarly on the Kinsey Scale (0–6) in all three countries. These data support the traditional identity trichotomy used in the field: homosexuality, bisexuality and heterosexuality. When controlling for nationality only small differences were found amongst the participants; however, social class or level of education did have a significant effect on the relationship between self-evaluation of sexual orientation and gender identification.     

Religious upbringing and current religiosity in Spanish nursing and medicine students

The influence of religious education in the family upon current spiritual and religious tendencies was assessed in a sample of 599 Spanish nurse and medicine students using a religiosity scale and answers to a series of belief/disbelief statements. Results showed that nursing and medicine students were equally low-religious, with no differences in religiosity total scores between participants coming from religious families; however, medical students coming from nonreligious families showed higher religiousness than the corresponding nursing trainees. This distinction appeared both across religiosity items and in a variety of responses to belief/disbelief of Christian/secular assertions. Regression analysis showed that religious family background was a consistent predictor of religious beliefs at young adulthood, and its influence was higher for medical students. In addition to establish religious upbringing as an important factor modulating enduring religiosity, these findings provide distinctions between nurse and medical trainees, and reproduce, in a Spanish mainly catholic sample, the structure of religiosity factors previously found on North American mainline protestants.     

So why can’t you intend to drink the toxin?

In this paper I revisit Gregory Kavka’s Toxin Puzzle and propose a novel solution to it. Like some previous accounts, mine postulates a tight link between intentions and reasons but, unlike them, in my account these are motivating rather than normative reasons, i.e. reasons that explain (rather than justify) the intended action. I argue that sensitivity to the absence of possible motivational explanations for the intended action is constitutive of deliberation-based intentions. Since ordinary rational agents display this sensitivity, when placed in the toxin scenario they will believe that there is no motivational explanation for actually drinking the toxin and this is why they can’t form the intention to drink it in the first place. I thus argue that my Motivating-Explanatory Reason Principle correctly explains the toxin puzzle, thereby revealing itself as a genuine metaphysical constraint on intentions. I also explore at length the implications of my account for the nature of intention and rational agency.     

Coping with HIV Related Stigma and Well-Being

The goal of this study was to analyze the relationships to be found among stigma perception, active and avoidant coping strategies, and subjective and psychological well-being in a sample of 133 people with HIV. The results showed that stigma perception and avoidant coping strategies (venting, self-blame, denial, behavioural disengagement and substance use) were positively associated, whereas, both stigma perception and avoidant coping were negatively associated with different measures of well-being (affect balance, self-acceptance and environmental mastery). These negative relationships between stigma perception and the three well-being measures were mediated by the use of avoidant coping strategies. Results suggest that psychosocial intervention programs for people who report psychological distress arising from prejudice must be aimed at developing appropriate ways to deal with this prejudice. Intervention programs should also include strategies to directly increase well-being since from a positive psychology viewpoint certain interventions have been shown to do so, and HIV research has also shown that well-being is associated with lower mortality rates.