认知资源和信息类型对大学生职业印象形成的影响

采用加工分离程序,探讨了认知资源和信息类型对大学生职业印象形成的影响及其心理加工机制。结果表明：(1)印象形成受到包括认知资源的限制、刻板化信息和个体化信息的典型性等多种因素的影响。刻板化信息间接地对印象形成起作用。个体化信息的作用远大于认知资源。(2)在印象形成过程中,控制性加工和自动化加工是并行的。(3)刻板化信息以内隐的自动化加工为主,个体化信息加工则存在外显与内隐两种方式。     

Collective action and subordinate group identity in a simulated society game

Abstract: This research examined the effects of upward mobility and resource disparity on subordinates’ collective action and group identity in a context of intergroup negotiation by using a simulated society (SIMSOC) game. According to the social identity theory, it was hypothesized that when individual mobility opportunities for a subordinate group increase, the members of the subordinate group are less likely to participate in collective actions and to appreciate the merits of their own group identity. Four hundred and fifty‐four undergraduates participated in 12 separate SIMSOC games. For each game, approximately 40 undergraduates were divided into dominant and subordinate groups. Each of the four combinations of high/low levels of upward mobility and large/small resource disparity was played out three times. Subordinates in the low‐mobility condition acted collectively more frequently and evaluated their own group more positively than those in the high‐mobility condition. A signifificant positive correlation between the frequency of subordinates’ collective action and in‐group favoritism was found.     

A neuropsychological dimension for anchoring effects

Previous research has shown that strength of handedness predicts differences in sensory illusions, Stroop interference, episodic memory, and beliefs about body image and the origin of species. Recent evidence also suggests handedness differences in the susceptibility to information framing and persuasion. The present paper extends this line of work to decision anchoring effects. In Experiment 1, 131 introductory psychology students responded to 12 real‐world knowledge questions after being given random, uninformative high or low anchors. Results indicated that “strong‐handers” showed larger anchoring effects than “mixed‐handers.” In Experiment 2, 89 introductory psychology students responded to 6 real‐world knowledge questions in a modified, two‐step anchoring task in which participants were given a credible source for the anchored information and asked to give pre‐ and post‐anchor estimates. In contrast to Experiment 1, results revealed that mixed‐ and strong‐handers were affected similarly by anchoring. In Experiment 3, 158 students were asked to estimate the answer to one of two versions of 8! (8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 or 1 × 2 × 3 × 4 × 5 × 6 × 7 × 8)—a multiplication problem in which the high and low anchors are inherently informative. Here, mixed‐handers showed larger anchoring effects than strong‐handers. A theory centered around the notion of hemispheric specialization and the communication between the two halves of the brain as well as arguments about the informativeness of anchors, metacognition, and recent theorizing in the anchoring literature are used to account for these data. Copyright © 2005 John Wiley & Sons, Ltd.     

Maternal Care and Individual Differences in Defensive Responses

Abstract— Familial transmission of mental illness is common. Recent studies in behavioral neuroscience and biological psychiatry reveal the importance of epigenetic mechanisms of transmission that center on the developmental consequences of variations in parental care. Studies with rats suggest that environmental adversity results in patterns of parent–offspring interactions that increase stress reactivity through sustained effects on gene expression in brain regions known to regulate behavioral, endocrine, and autonomic responses to stress. While such effects might be adaptive, the associated cost involves an increased risk for stress-related illness.     

Properties of intermodal transfer after dual visuo- and auditory-motor adaptation

Previous work documented that sensorimotor adaptation transfers between sensory modalities: When subjects adapt with one arm to a visuomotor distortion while responding to visual targets, they also appear to be adapted when they are subsequently tested with auditory targets. Vice versa, when they adapt to an auditory-motor distortion while pointing to auditory targets, they appear to be adapted when they are subsequently tested with visual targets. Therefore, it was concluded that visuomotor as well as auditory-motor adaptation use the same adaptation mechanism. Furthermore, it has been proposed that sensory information from the trained modality is weighted larger than sensory information from an untrained one, because transfer between sensory modalities is incomplete. The present study tested these hypotheses for dual arm adaptation. One arm adapted to an auditory-motor distortion and the other either to an opposite directed auditory-motor or visuomotor distortion. We found that both arms adapted significantly. However, compared to reference data on single arm adaptation, adaptation in the dominant arm was reduced indicating interference from the non-dominant to the dominant arm. We further found that arm-specific aftereffects of adaptation, which reflect recalibration of sensorimotor transformation rules, were stronger or equally strong when targets were presented in the previously adapted compared to the non-adapted sensory modality, even when one arm adapted visually and the other auditorily. The findings are discussed with respect to a recently published schematic model on sensorimotor adaptation.     

State anxiety impairs attentional control when other sources of control are minimal

Research suggests anxiety impairs attentional control; however, this effect has been unreliable. We argue that anxiety’s impairment of attentional control is subtle, and can be obscured by other non-emotional sources of control. We demonstrate this by examining conflict adaptation, an enhancement in attentional control following a trial with high conflict between distracter and target stimuli. Participants completed a Stroop task featuring incongruent (e.g. RED in green font; high-conflict) and control (e.g. +++ in green font; low-conflict) trials. More state-anxious participants showed greater Stroop interference following control trials, but interference was uniformly low following incongruent trials. This suggests state anxiety can impair attention, but other sources of top-down control – such as conflict adaptation – can easily overcome this impairment. This is consistent with recent theories of anxious cognition and shows that anxiety researchers must attend to the dynamics and sources of attentional control.     

Enhanced conflict-driven cognitive control by emotional arousal,not by valence

Emotion is widely agreed to have two dimensions, valence and arousal. Few studies have explored the effect of emotion on conflict adaptation by considering both of these, which could have dissociate influence. The present study aimed to fill the gap as to whether emotional valence and arousal would exert dissociable influence on conflict adaptation. In the experiments, we included positive, neutral, and negative conditions, with comparable arousal between positive and negative conditions. Both positive and negative conditions have higher arousal than neutral ones. In Experiment 1, by using a two-colour-word Flanker task, we found that conflict adaptation was enhanced in both positive and negative contexts compared to a neutral context. Furthermore, this effect still existed when controlling stimulus–response repetitions in Experiment 2, which used a four-colour-word Flanker task. The findings suggest emotional arousal enhances conflict adaptation, regardless of emotional valence. Thus, future studies should consider emotional arousal when studying the effect of emotion on conflict adaptation. Moreover, the unique role of the emotional context in conflict-driven cognitive control is emphasised.     

A mixed-methods process evaluation of a goal management intervention for patients with polyarthritis

Process evaluations of newly developed interventions are necessary to identify effective and less effective intervention components. First aim of this study was to identify key components of a psychosocial goal management intervention from the perspective of participants, and second aim was to evaluate the intervention’s fidelity. A mixed-methods approach was applied to 24 interviews with participants post-intervention and 16 audio recordings of random training sessions. Participants experienced three key components: (1) the content, in which specific exercises helped to raise awareness and (intention to) change goal management behaviour, (2) person-focused approach, specifically, the nurse as trainer and personal fit of the approach, and (3) social mechanisms, including facilitating group processes and interpersonal processes. Adherence to the protocol by the trainers was high, while differences were found in the degree to which they were able to apply the intended collaborative approach and psychological communication skills. The applied design provided valuable insights into the processes that took place. Both the effects experienced by participants in relationship to the content, approach and social mechanisms as well as the strengths and weaknesses found with regard to fidelity provide insights that can inform the development and implementation of person-focused interventions.     

Individual differences in proactive interference in verbal and visuospatial working memory

Proactive interference (PI) has been shown to affect working memory (WM) span as well as the predictive utility of WM span measures. However, most of the research on PI has been conducted using verbal memory items, and much less is known about the role of PI in the visuospatial domain. In order to further explore this issue, the present study used a within-subjects manipulation of PI that alternated clusters of trials with verbal and visuospatial to-be-remembered items. Although PI was shown to build and release across trials similarly in the two domains, important differences also were observed. The ability of verbal WM to predict performance on a measure of fluid intelligence was significantly affected by the amount of PI present, consistent with past research, but this proved not to be the case for visuospatial WM. Further, individuals’ susceptibility to PI in one domain was relatively independent of their susceptibility in the other domain, suggesting that, contrary to some theories of executive function, individual differences in PI susceptibility may not be domain-general.