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181.
Asch's (1956) research on group pressure to conform implied that it is difficult to be a lone dissenter. Extending this to the analysis of voting patterns in the U.S. Supreme Court's 1953-2001 terms, it was found that of 4,178 decisions, the 8-1 split was the least common (10%). Unanimous decisions were most common (35%), followed by 5-4 splits (21%), 6-3 splits (20%), and 7-2 splits (14%). Large differences were found among the 29 Justices serving during this period as to how often they were lone dissenters, led by Justice William Douglas, who issued lone dissents on about 6% of the decisions on which he voted. 相似文献
182.
A number of studies have recently examined the link between individual differences in media multitasking (using the MMI) and performance on working memory paradigms. However, these studies have yielded mixed results. Here we examine the relation between media multitasking and one particular working memory paradigm—the n-back (2- and 3-back)—improving upon previous research by (a) treating media multitasking as a continuous variable and adopting a correlational approach as well as (b) using a large sample of participants. First, we found that higher scores on the MMI were associated with a greater proportion of omitted trials on both the 2-back and 3-back, indicating that heavier media multitaskers were more disengaged during the n-back. In line with such a claim, heavier media multitaskers were also more likely to confess to responding randomly during various portions of the experiment, and to report media multitasking during the experiment itself. Importantly, when controlling for the relation between MMI scores and omissions, higher scores on the MMI were associated with an increase in false alarms, but not with a change in hits. These findings refine the extant literature on media multitasking and working memory performance (specifically, performance on the n-back), and suggest that media multitasking may be related to the propensity to disengage from ongoing tasks. 相似文献
183.
Hillman BG Gupta SC Stairs DJ Buonanno A Dravid SM 《Neurobiology of learning and memory》2011,95(4):404-414
N-methyl-D-aspartate (NMDA) receptors play an important role in excitatory neurotransmission and mediate synaptic plasticity associated with learning and memory. NMDA receptors are composed of two NR1 and two NR2 subunits and the identity of the NR2 subunit confers unique electrophysiologic and pharmacologic properties to the receptor. The precise role of NR2C-containing receptors in vivo is poorly understood. We have performed a battery of behavioral tests on NR2C knockout/nβ-galactosidase knock-in mice and found no difference in spontaneous activity, basal anxiety, forced-swim immobility, novel object recognition, pain sensitivity and reference memory in comparison to wildtype counterparts. However, NR2C knockout mice were found to exhibit deficits in fear acquisition and working memory compared to wildtype mice. Deficit in fear acquisition correlated with lack of fear conditioning-induced plasticity at the thalamo-amygdala synapse. These findings suggest a unique role of NR2C-containing receptors in associative and executive learning representing a novel therapeutic target for deficits in cognition. 相似文献
184.
Sahdra BK MacLean KA Ferrer E Shaver PR Rosenberg EL Jacobs TL Zanesco AP King BG Aichele SR Bridwell DA Mangun GR Lavy S Wallace BA Saron CD 《Emotion (Washington, D.C.)》2011,11(2):299-312
We examined the impact of training-induced improvements in self-regulation, operationalized in terms of response inhibition, on longitudinal changes in self-reported adaptive socioemotional functioning. Data were collected from participants undergoing 3 months of intensive meditation training in an isolated retreat setting (Retreat 1) and a wait-list control group that later underwent identical training (Retreat 2). A 32-min response inhibition task (RIT) was designed to assess sustained self-regulatory control. Adaptive functioning (AF) was operationalized as a single latent factor underlying self-report measures of anxious and avoidant attachment, mindfulness, ego resilience, empathy, the five major personality traits (extroversion, agreeableness, conscientiousness, neuroticism, and openness to experience), difficulties in emotion regulation, depression, anxiety, and psychological well-being. Participants in Retreat 1 improved in RIT performance and AF over time whereas the controls did not. The control participants later also improved on both dimensions during their own retreat (Retreat 2). These improved levels of RIT performance and AF were sustained in follow-up assessments conducted approximately 5 months after the training. Longitudinal dynamic models with combined data from both retreats showed that improvement in RIT performance during training influenced the change in AF over time, which is consistent with a key claim in the Buddhist literature that enhanced capacity for self-regulation is an important precursor of changes in emotional well-being. 相似文献
185.
Brandon Vaidyanathan Jonathan P. Hill Christian Smith 《Journal for the scientific study of religion》2011,50(3):450-469
Previous research on charitable giving has identified a significant relationship between political conservatism and greater financial giving to charitable causes. Yet that research has not adequately explored the important role of religion in that relationship, nor differences in financial giving targets (i.e., religious congregations, noncongregational religious organizations, and nonreligious organizations). Support for competing theories concerning political ideology, religious practice, and charitable financial giving is assessed using data from the Panel Study on American Ethnicity and Religion (PS‐ARE). For both religious and nonreligious giving, the effect of political ideology is completely mediated by participation in religious and civic practices. These findings support recent arguments on “practice theory” in cultural sociology and suggest that it is less the effect of ideology than of active participation in religious, political, and community organizations that explains Americans’ financial giving to religious and nonreligious organizations. 相似文献
186.
Signal detection theory forms the core of many current models of cognition, including memory, choice, and categorization. However, the classic signal detection model presumes the a priori existence of fixed stimulus representations--usually Gaussian distributions--even when the observer has no experience with the task. Furthermore, the classic signal detection model requires the observer to place a response criterion along the axis of stimulus strength, and without theoretical elaboration, this criterion is fixed and independent of the observer's experience. We present a dynamic, adaptive model that addresses these 2 long-standing issues. Our model describes how the stimulus representation can develop from a rough subjective prior and thereby explains changes in signal detection performance over time. The model structure also provides a basis for the signal detection decision that does not require the placement of a criterion along the axis of stimulus strength. We present simulations of the model to examine its behavior and several experiments that provide data to test the model. We also fit the model to recognition memory data and discuss the role that feedback plays in establishing stimulus representations. 相似文献
187.
Hunter A. McAllister John T. Blaze Crystal A. Brandon Joseph D. Deschamps Christine A. Fultyn Christina C. Parker Amanda D. Salcido Christopher D. Tarver Jennifer L. Thibodeaux 《Applied cognitive psychology》2011,25(1):127-134
The purpose of this research was to test whether delay between a mug book task and a lineup task moderates a simple mug shot exposure effect. Following the witnessing of a simulated theft, participants searched either a small, large or no mug book. Participants then viewed a lineup that contained either the perpetrator or an innocent replacement; the lineup occurred either immediately after viewing the mug book or 48 hours later. There were fewer suspect identifications and more lineup rejections in the mug book conditions than the no mug book control; this was explained in terms of the criterion for making choices carrying over from the mug book to the lineup. There was qualified support for delay moderating the mug book exposure effect. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
188.
Elizabeth A. Mellin Brandon Hunt Lindsey M. Nichols 《Journal of counseling and development : JCD》2011,89(2):140-147
This exploratory, qualitative study examined the professional identity of 238 practicing counselors and how they perceived counseling as distinct from psychology and social work. Participants' professional identities seemed to be grounded in a developmental, prevention, and wellness orientation toward helping. Participants also seemed to embrace a unified professional identity. Psychology was perceived as emphasizing testing and social work as focusing on systemic issues. Findings and implications for the counseling profession and interprofessional collaboration are discussed. 相似文献
189.
Brandon A. Sullivan Kathleen M. O’Connor 《Journal of experimental social psychology》2006,42(5):567-581
In a series of four studies, we examined whether and how negotiators’ task-related self-efficacy affects their performance. In the first two studies, we identified two theoretically meaningful self-efficacy constructs—distributive self-efficacy (DSE) and integrative self-efficacy (ISE)—and provided evidence of construct validity. In the third study, task-congruent self-efficacy was positively associated with negotiators’ self-reports of tactical decision-making. In the fourth study, we measured negotiators’ tactics and found that ISE and DSE affected negotiators’ initial choice of tactics. We conclude that ISE and DSE predisposes negotiators to select certain tactics, which then guide the course of the negotiation, and, ultimately, affect the quality of deals. 相似文献
190.
Brandon Hunt Connie Matthews Amy Milsom Julie A. Lammel 《Journal of counseling and development : JCD》2006,84(2):163-173
The authors interviewed 25 lesbians with physical disabilities about their counseling experiences. Using a phenomenological qualitative approach, the authors identified 9 themes. Five themes addressed participants' perceptions of their counselors: general satisfaction or dissatisfaction, counselors' general effectiveness, counselors' awareness and education regarding sexual orientation and/or disability, discrimination and bias, and counselor identity. Three themes related to the participants' attempts to negotiate the counseling process: coming out or self‐disclosure, self‐advocacy, and accessibility/accommodations. The final theme related to depression. 相似文献