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141.
This study evaluated the effectiveness of a new career development program designed to help adolescents explore their interest in enterprise as a career option. Using a person-oriented approach, pre- and post-test measurements of enterprising interests in an intervention (n = 321) and a control group (n = 302) of adolescents aged 16.5 years on average were compared. As predicted, the frequency of five different patterns of enterprising interest development (stable high, stable low, decreaser, increaser, middle) differed between the two groups, with increasers and decreasers more prevalent in the intervention group. Furthermore, a discriminant function analysis revealed that adolescents in the stable high and increaser groups showed the most entrepreneurial personality profile (e.g., low risk avoidance, high social dominance). Moreover, increasers often had a non-entrepreneurial family background. Results suggest that the new program is a useful tool in supporting adolescents’ exploration of enterprise as future career option. 相似文献
142.
Alexander W. O'Donnell David L. Neumann Amanda L. Duffy Stefania Paolini 《Social and Personality Psychology Compass》2019,13(3)
Pavlovian conditioning is a form of associative learning shown to contribute to the development and reduction of clinical anxiety and fear, and more recently, intergroup anxiety and fear. The current review provides a synthesis of the literature on associative learning of fear toward outgroups. Findings are reviewed that outline how fear toward the outgroup, relative to the ingroup, can be preferentially learnt and is resistant to extinction‐based techniques. Novel future research directions for intergroup anxiety are then identified based upon previous research on clinical anxiety. It is proposed that processes known to enhance the extinction of specific phobia should be investigated with social stimuli. Specifically, it is argued that exploring cognitive factors during extinction and conducting extinction in multiple contexts may provide new avenues to pursue intergroup harmony through reduced intergroup anxiety. The review concludes by suggesting innovative research designs are needed to validate an associative learning account of fear toward outgroups outside of experimental settings. 相似文献
143.
Eva Schmitt‐Rodermund Elke Schrder Martin Obschonka 《International journal of psychology》2019,54(2):164-173
To achieve a better understanding of entrepreneurship development in women, longitudinal data on 672 individuals collected from 1922 to 1959 were analysed in a secondary investigation of the Terman Longitudinal Study. Women's reports on their occupations during 10 different years were assigned to one of two categories: work for pay (0/1), and work allowing for self‐employment (0/1) in the respective year. Structural equation modelling supported earlier results concerning male entrepreneurial activity. Personality and aspects of the parenting context the women had experienced by the average age of 12 predicted early entrepreneurial competencies (inventions, leadership) and occupational interests by age 13, which related to an entrepreneurship‐related career goal in 1936, when the participants were about 27 years of age on average. Such a career goal in turn predicted a higher number of occasions of entrepreneurship‐prone work. Surprisingly, we also found a relationship to divorce. Women who had experienced the failure of a marriage were in occupations with a potential for entrepreneurship more often. Reasons are discussed against a backdrop of historical timing and current findings to identify general aspects of entrepreneurship development. 相似文献
144.
This review focuses on prolactin as a potential candidate for the regulation of emotional and neuroendocrine stress responses in the brain. In particular, we summarise evidence for a brain prolactin receptor-mediated anxiolytic action both in female and male rats, and for inhibitory actions on the reactivity of the hypothalamic-pituitary-adrenal (HPA) axis and the neurohypophysial oxytocin system. These physiological functions of the brain prolactin system are especially relevant in the peripartum period, as an attenuation of behavioural and neuroendocrine stress responses has been described during pregnancy and lactation. At this time, there is an increase in brain prolactin receptor expression and binding, and an increase in hypothalamic prolactin gene expression. In the absence of a selective prolactin receptor antagonist, complementary approaches including chronic intracerebral infusion of prolactin, and antisense targeting of the long form of the brain prolactin receptor were used to investigate the actions of prolactin. The hypothesis of a brain prolactin system activated in the peripartum period which contributes to the adaptive changes in stress responsiveness in order to support reproductive functions is strongly emphasised. 相似文献
145.
One hundred forty-nine inpatients within a maximum security psychiatric facility were assessed with the Psychopathy Checklist: Screening Version (PCL:SV; S. D. Hart, D. N. Cox, & R. D. Hare, 1995). Within the total sample, 68% had a psychotic disorder and 30% met criteria for psychopathy. Using confirmatory factor analysis, the authors tested the 2-factor PCL:SV model of psychopathy and recent 3- and 4-factor models. Results indicated good fit for each model, with the 4-factor model showing best overall fit. Structural equation modeling was used to determine which psychopathy factors predicted 6-month follow-up of inpatient aggression. The 2-, 3-, and 4-factor models, respectively, accounted for 16%.27%. and 3l% of the variance in aggression. 相似文献
146.
Three experiments investigated a dissociation originally described by Neumann, Esselmann, and Klotz. Stimuli were geometric
shapes, preceded by similar shapes that were masked by metacontrast. Each experiment consisted of three parts. In the reaction time (RT) part, participants saw an array of geometric shapes, one of which was marked by bars, and had to respond to the marked
shape's position by pressing an appropriate button. A prime (a similar, but smaller stimulus) preceded either the marked or
an unmarked stimulus. In the temporal order judgment (TOJ) part, the task was to judge the temporal order of the marked and the unmarked stimulus. In the detection part, detectability of the prime was tested. Although its detectability was zero or close to zero, the prime affected both
RT and the apparent onset as measured by TOJ. The effect on RT was significantly larger than the effect on TOJ (Exp. 1). Increasing
the spatial context (number of non-target stimuli in the display) did not affect this pattern (Exp. 2). By contrast, reducing the temporal context (range of stimulus onset asynchronies) abolished the prime's effect in the TOJ task, although the prime affected
RT under identical conditions. It is concluded that partially different mechanisms mediate the prime's effect in the two tasks
and that the effect of stimulus context on TOJ found in the Neumann et al. study was due to temporal, not spatial context.
Received: 17 December 1997 / Accepted: 15 December 1998 相似文献
147.
Ein Modell kortikaler Einfachzellen mit dominanter opponenter Inhibition zur robusten Kontrastdetektion Zusammenfassung. Im primären visuellen Pfad wird Information in zwei getrennten, komplementären Domänen repräsentiert, den on- und off-Zellen. In dieser Arbeit untersuchen wir die Interaktion von on- und off-Zellen zur Generierung der Eingabe für eine kortikale Einfachzelle. Basierend auf physiologischen Studien schlagen wir einen Mechanismus vor, bei dem eine kortikale Einfachzelle aus beiden Domänen eine Eingabe erhält, wobei die Eingabe aus dem opponenten Pfad stärker gewichtet wird. Mit diesem Mechanismus der dominanten opponenten Inhibition können Antworten von kortikalen Einfachzellen auf Hell-Dunkel-Balken simuliert werden, die im primären visuellen Kortex der Katze gemessen wurden. Bei der Verarbeitung synthetischer und natürlicher Bilder können mit dem neuen Modell schärfere Antworten und bessere Rauschunterdrückung erreicht werden. Wir geben eine stochastische Analyse der Rauschunterdrückungscharakteristika des vorgeschlagenen Mechanismus und präsentieren detaillierte numerische Simulationen mit systematischen Parametervariationen. Die Resultate zeigen, dass das Modell kortikaler Einfachzellen mit dominanter opponenter Inhibition robuster gegenüber verrauschten Eingaben wird, weitgehend unabhängig von der Stärke des Rauschens. Diese Eigenschaft ist möglicherweise der Grund für die physiologisch gemessene dominante Inhibition und für die Repräsentation von Kontrastinformation in zwei komplementären Domänen. Basierend auf diesen Ergebnissen stellen wir die Hypothese auf, dass dominante opponente Inhibition im visuellen System verwendet wird, um in verrauschten Umgebungen Kontraste robust extrahieren zu können. Summary. In the primary visual pathway, information is represented in two distinct, complementary domains, namely "on" and "off" cells. In this work we examine how on and off cells may interact to form the input to simple cell subfields. On the basis of physiological evidence, we propose a mechanism of dominating opponent inhibition, where a simple cell subfield is driven by both on and off domains, receiving more heavily weighted input from the opponent pathway. We demonstrate that the model can account for physiological data on luminance gradient reversal recorded from simple cells in cat striate cortex. Next, we use the model for the processing of synthetic and natural images, showing that sharpness of response and robustness to noise can be increased by dominating opponent inhibition. Finally, we present a stochastic analysis of the noise-suppression characteristics of the proposed mechanism accompanied by detailed simulations with systematic parameter variations. Results show that dominating opponent inhibition makes the simple cell responses more robust to noise, largely independently of the amount of noise added. This property may give a rationale for the strong inhibition measured physiologically and for the representation of contrast information in two complementary domains. On the basis of these findings, we hypothesize that the visual system uses dominating opponent inhibition in order to robustly extract features in noisy environments. 相似文献
148.
The Schedule of Affective Disorders and Schizophrenia-Change Version (SADS-C; Spitzer & Endicott, 1978b) is a brief, highly reliable structured interview with clinical applications to diverse populations. This investigation involved reanalyses of data from 2 earlier studies (Rogers, Grandjean, Tillbrook, Vitacco, & Sewell, 2001; Ustad, Rogers, & Salekin, 1998). Focusing on 2 clinical samples from a metropolitan jail, we investigated its subscales via exploratory and confirmatory factor analysis. A good model fit was found (comparative fit index =.92; robust comparative fit index =.94) for 4 subscales (Dysphoria, Psychosis, Mania, and Insomnia) with good interrater reliability (M intraclass coefficient =.95) and clinical relevance. As a preliminary screen for feigned mental disorders, 2 detection scales (Symptom Combinations and Symptom Selectivity) were moderately successful. By maximizing negative predictive power, the SADS-C detection strategies proved effective at ruling out feigning for mentally disordered offenders with a high likelihood of genuine disorders. 相似文献
149.
150.
Cognitive and affective components of empathy and their relationship with personality dimensions in a Chinese sample
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David L. Neumann Raymond C. K. Chan Yi Wang Gregory J. Boyle 《Asian Journal of Social Psychology》2016,19(3):244-253
Empathy is an essential component of social interactions and may be related to personality characteristics. However, this issue has not been extensively examined in a Chinese sample. Students at six universities in China (N = 257) completed the Interpersonal Reactivity Index (IRI), the Eysenck Personality Questionnaire‐Revised (EPQ‐R), and the Depression, Anxiety and Stress Scale (DASS‐21). Using multiple regression analyses, and after accounting for demographic variables (sex and age), it was found that the affective empathy component Personal Distress positively predicted EPQ‐R Neuroticism scores (β = .49), negatively predicted Extraversion (β = –.21) and Lie scale scores (β = –.22), and positively predicted DASS‐21 Depression (β = .26), Anxiety (β = .34) and Stress scores (β = .39). Empathic Concern positively predicted Lie Scale scores (β = .21), and negatively predicted Psychoticism scores (β = –.24). Individuals with high scores in Empathic Concern were also found to score more highly on Fantasy, Personal Distress, Neuroticism, Stress and Anxiety. Thus, more empathic individuals are likely to experience elevations in negative affectivity when they perceive the emotional suffering of others. 相似文献