Screening as an approach for adolescent suicide prevention

Among the provisions of the recently signed Garrett Lee Smith Memorial Act, Congress called for the use of screening to detect adolescents who are at risk for suicide. After a review of the literature, 17 studies involving screening instruments and programs were identified. We addressed the question: What do we know about the demonstrated effectiveness and safety of screening as a tool or program to prevent suicide among adolescents? While youth suicide screening programs offer the promise of improving identification for those who need treatment the most, further research is essential to understand how, when, where, and for whom screening programs can be used effectively and efficiently.     

The Small Worlds and Floyd's algorithms: a way to study scientific collaboration

Many proposals from the analysis of social networks focused on the study of scientific collaboration have been made recently. The Small Worlds theory seems to be the most efficient to study the inner features of the scientific community. Those researches have demonstrated that small communities are based on some key individuals who connect some groups which, on the contrary, would be disconnected. One of the disadvantages from the perspective of the analysis of networks is the lack of researches of particular nodes. With the implementation of a pseudocode algorithm of Floyd, we try to avoid this. To study how a small community is formed and, as a research of one case, we observe the invisible college which is formed when connecting the fifteen most productive authors of the Journal of Personality and Social Psychology .     

Emotion regulation and emotional information processing: The moderating effect of emotional awareness

The aim of this study was to examine the moderating role of emotional awareness in the relationship between emotion regulation strategies and emotional information processing. A total of 120 female students regulated emotions while watching an unpleasant film. Before and after emotion induction, participants completed a set of tasks that required matching facial expressions. The results demonstrated that participants who were high in emotional awareness showed a significantly smaller increase in error responses (i.e., incorrect matches) than participants who were low in emotional awareness. However, this effect was observed only in suppression (i.e., inhibition of an emotionally expressive behavior), masking (i.e., emotion experienced with a happy expression) and control (i.e., no regulation) conditions. Among reappraisers, who were instructed to adopt a neutral attitude toward the film, regardless of whether they were high or low in emotional awareness, there was not a significant increase in error responses. This study shows that the potentially damaging impact of negative emotions on the processing of emotional information can be prevented by a high emotional awareness or with the implementation of reappraisal as an emotion regulation strategy.     

On the role of the upper part of words in lexical access: evidence with masked priming

More than 100 years ago, Huey (1908/1968) indicated that the upper part of words was more relevant for perception than the lower part. Here we examined whether mutilated words, in their upper/lower portions (e.g., ), can automatically access their word units in the mental lexicon. To that end, we conducted four masked repetition priming experiments with the lexical decision task. Results showed that mutilated primes produced a sizeable masked repetition priming effect. Furthermore, the magnitude of the masked repetition priming effect was greater when the upper part of the primes was preserved than when the lower portion was preserved-this was the case not only when the mutilated words were presented in lower case but also when the mutilated words were presented in upper case. Taken together, these findings suggest that the front-end of computational models of visual-word recognition should be modified to provide a more realistic account at the level of letter features.     

Organizational identification and commitment: correlates of sense of belonging and affective commitment

The general purpose of this work is to analyze the overlap between organizational identification and commitment. Specifically, our study focuses on the analysis of the differences and similarities between sense of belonging (a dimension of organizational identification) and affective commitment (a dimension of organizational commitment). In order to do this, we analyzed their discriminant validity and raised their relationship with variables that previous research had showed like precedent and subsequent variables of them: value congruence, perceived support, organizational citizenship behavior, and intention to continue in the organization. A total of 292 people at one organization completed surveys measuring the variables previously described. The results showed that sense of belonging and affective commitment are different concepts and they have different relationships with relation to precedent and subsequent variables. Affective commitment seems to be more useful than sense of belonging to predict organizational citizenship behavior aimed at the organization and intention to continue. Some practical implications are described.     

Lexical and semantic representations in the acquisition of L2 cognate and non-cognate words: evidence from two learning methods in children

How bilinguals represent words in two languages and which mechanisms are responsible for second language acquisition are important questions in the bilingual and vocabulary acquisition literature. This study aims to analyse the effect of two learning methods (picture- vs. word-based method) and two types of words (cognates and non-cognates) in early stages of children's L2 acquisition. Forty-eight native speakers of European Portuguese, all sixth graders (mean age = 10.87 years; SD= 0.85), participated in the study. None of them had prior knowledge of Basque (the L2 in this study). After a learning phase in which L2 words were learned either by a picture- or a word-based method, children were tested in a backward-word translation recognition task at two times (immediately vs. one week later). Results showed that the participants made more errors when rejecting semantically related than semantically unrelated words as correct translations (semantic interference effect). The magnitude of this effect was higher in the delayed test condition regardless of the learning method. Moreover, the overall performance of participants from the word-based method was better than the performance of participants from the picture-word method. Results were discussed concerning the most significant bilingual lexical processing models.     

Longitudinal impact of parental and adolescent personality on parenting

This study provides a test of how personality may shape social behaviors in a long-lasting dyad: the parent-adolescent relationship. In a large Belgian community sample, it was examined which parent Big Five characteristics were related to parenting and whether adolescent Big Five characteristics elicited certain parenting behaviors. Further, the proposition that individual differences are amplified under stress was examined by exploring whether parent personality was differentially related to parenting for parents of "easy" versus "difficult" adolescents. Moreover, possible differences in associations across parental and adolescent gender were explored. Mothers (N = 467) and fathers (N = 428) reported on their personality using the Five-Factor Personality Inventory; adolescents (N = 475) assessed their personality with the Hierarchical Personality Inventory for Children. Two types of parenting behaviors, overreactive discipline and warmth, were assessed 2 years later by parent self-reports, partner reports, and adolescent reports, from which multi-informant latent factors were created. Results indicate that parental personality was more relevant than adolescent personality for explaining overreactivity, but parent and adolescent personality were similarly relevant in explaining warmth. Especially parental and adolescent Agreeableness and adolescent Extraversion were important predictors of both types of parenting. Associations between parental personality and parenting were similarly related to parents of easy versus difficult adolescents, and for mothers and fathers parenting daughters or sons. Together, results show that parent characteristics as well as adolescent characteristics importantly affect dysfunctional and adaptive parenting.     

Procesos de aprendizaje y terapia de conducta en la adicción a la heroína

Resumen

Múltiples principios de condicionamiento clásico y operante interaccionan en la adición a la heroína. Destacan la presencia de RC Compensatorias en forma de Síndrome de Abstinencia Condicionado (SAC) y distintos programas de reforzamiento en el estilo de vida, argot y efectos de la heroína. En evaluación conductual se estudian los correlatos subjetivos y psicofisiológicos del SAC; la validez externa de los autorregistros se logra mediante análisis de orina. En terapia de conducta los programas de amplio espectro se combinan con la intervención comunitaria y apoyo médico. A nivel metodológico se resalta la necesidad de usar múltiples criterios de medición, introducción del análisis multivariado y uso de diseños estadísticos, realización de seguimientos a largo plazo.     

Developmental Changes in Early Comprehension and Production of Drawings: Evidence From Two Socioeconomic Backgrounds

Two studies examined young children's comprehension and production of representational drawings across and within 2 socioeconomic strata (SES). Participants were 130 middle-SES (MSES) and low-SES (LSES) Argentine children, from 30 to 60 months old, given a task with 2 phases, production and comprehension. The production phase assessed free drawing and drawings from simple 3-dimensional objects (model drawing); the comprehension phase assessed children's understanding of an adult's line drawings of the objects. MSES children solved the comprehension phase of the task within the studied age range; representational production emerged first in model drawing (42 months) and later in free drawing (48 months). The same developmental pathway was observed in LSES children but with a clear asynchrony in the age of onset of comprehension and production: Children understood the symbolic nature of drawings at 42 months old and the first representational drawings were found at 60 months old. These results provide empirical evidence that support the crucial influence of social experiences by organizing and constraining graphic development.