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961.
Davis KM Burghardt GM 《Journal of comparative psychology (Washington, D.C. : 1983)》2011,125(4):404-410
We investigated whether turtles (Pseudemys nelsoni) could learn about a visual object cue to obtain food reinforcement by observing conspecifics that had learned the task. This study was designed with a three part task which, if completed by the observer turtles, would provide evidence of their abilities to learn from other turtles using stimulus enhancement, goal emulation, or copying. All four P. nelsoni turtles tested after observation of a trained demonstrator, whom they had direct access to during the demonstrator training trials, learned not only to follow another turtle to the stimulus indicating food, but also, in the absence of the demonstrator, to approach the correct stimulus regardless of spatial position. Therefore, all four P. nelsoni turtles tested showed evidence of stimulus enhancement learning. This is the first experimental study of social learning in any aquatic reptile demonstrating that they have the ability to learn from conspecifics. 相似文献
962.
Gordon B. Moskowitz Peizhong Li Jeff Stone 《Journal of experimental social psychology》2011,47(2):365-370
Two experiments examine nonconscious processes that facilitate pursuing egalitarian goals. It was hypothesized that when working on a task not known to be relevant to egalitarian goals there is heightened ability to detect opportunities to goal pursuit (goal-relevant people) embedded in the task, even when they are best ignored for optimal performance. Further, this selective attention should cease when the goal is sated, despite increased semantic accessibility of these opportunities that results from satiation. Experiment one introduced egalitarian goals via writing an essay about failing to be egalitarian to Black men. Next, an ostensibly unrelated task presented Black and White men in an array of faces as distracters to a focal task. Task performance was disrupted only by arrays containing Black men, and only among participants primed with egalitarian goals. This was not due to increased semantic accessibility of the concept “Black men.” Experiment two had all participants write failure essays and then write second essays. Half wrote affirming essays about egalitarianism and Black men. Despite this increased semantic accessibility of the group “Black men,” distracted attention was not evidenced. Instead, the goal had been satisfied and goal pursuit shut down. In contrast, the remaining participants wrote affirming essays in an irrelevant domain. Despite the decreased semantic accessibility, goal accessibility remained and was evidenced by selective attention to Black men. These findings reveal Black men are associated not with stereotypes, but egalitarian goals. They also point to the role goal completion versus self affirmation play in goal pursuit. 相似文献
963.
Stereotype activation is often described as beyond control, unable to be prevented by willing it or engaging the self-regulatory system. Four experiments illustrate that this initial stage of the stereotyping process is controllable. Stereotypes are shown to be implicitly inhibited as part of a goal shielding process. In each experiment, egalitarian goals are triggered through a task in which participants contemplate a past failure at being egalitarian to African American men. This is followed in each experiment by a task that measures stereotype activation/inhibition using reaction times to words (either control words or stereotype-relevant words) that follow the presentation of either faces of Black or White men. The first two experiments examine participants with egalitarian goals versus those with a control goal, whereas the last two experiments examine people with egalitarian goals versus those whose egalitarian strivings have been satisfied (by contemplating success at being egalitarian). Only participants with egalitarian goals exhibit stereotype inhibition, and this occurs despite the fact that they lack awareness of the inhibition and lack the conscious intent to inhibit stereotypes at the time the response is made. 相似文献
964.
Wickens CM Wiesenthal DL Flora DB Flett GL 《Journal of experimental psychology. Applied》2011,17(4):354-370
Two studies tested the applicability of Weiner's (1995, 1996, 2001, 2006) attributional model of social conduct to roadway environments. This model highlights the role of inferences of responsibility after making causal judgments for social transgressions. Study 1 employed written scenarios where participants were asked to imagine themselves driving on a major highway. The degree of controllability and intentionality of the driving act was manipulated experimentally by altering the specific event-related details provided to the participants. Study 2 extended this research to life events by having participants complete online driving diaries every 2 days, identifying their most negative/upsetting encounter with another motorist. The most anger-provoking event was selected from among 4 diary entries and participants were asked to respond to a questionnaire similar to that used in Study 1. Path analyses in both studies generally supported predictions derived from Weiner's model; the association between perceived controllability, intentionality, and dispositional locus of causality of the negative driving event and subsequent anger was mediated by perceptions of responsibility. Additional results in Study 2 suggested that low perceived controllability, intentionality, and dispositional locus of causality were associated with reduced perceived responsibility, which, in turn, facilitated feelings of sympathy. Anger was associated with aggressive responses to the offending driver, whereas sympathy was associated with prosocial responses. Recommendations were offered for improved driver safety, including the development of attributional retraining programs to combat self-serving attributional biases, teaching novice drivers about both formal and informal roadway communication, and the promotion of forgiveness among drivers 相似文献
965.
Studies in mammals have implicated the neuropeptide oxytocin (OT) in processes of bond formation and stress modulation, yet the involvement of OT in human bonding throughout life remains poorly understood. We assessed OT in the plasma, saliva, and urine of 112 mothers and fathers interacting with their 4-6-month-old infants. Parent-infant interactions were micro-coded for parent and child's social behaviors and for the temporal coordination of their socio-affective cues. Parents were interviewed regarding their attachment to the infant and reported on bonding to own parents, romantic attachment, and parenting stress. Results indicated that OT in plasma (pOT) and saliva (sOT) were inter-related and were unrelated to OT in urine (uOT). pOT and sOT in mothers and fathers were associated with parent and child's social engagement, affect synchrony, and positive communicative sequences between parent and child. uOT was related to moments of interactive stress among mothers only, indexed by the co-occurrence of infant negative engagement and mother re-engagement attempts. pOT and sOT were associated with mothers' and fathers' attachment relationships throughout life: to own parents, partner, and infant, whereas uOT correlated with relationship anxiety and parenting stress among mothers only. Similar to other mammals, OT is involved in human attachment and contingent parenting. The dual role of OT in stress and affiliation underscores its complex involvement in processes of social bonding throughout life. 相似文献
966.
How do people choose between options? At one extreme, the 'value-first' view is that the brain computes the value of different options and simply favours options with higher values. An intermediate position, taken by many psychological models of judgment and decision making, is that values are computed but that the resulting choices depend heavily on the context of available options. At the other extreme, the 'comparison-only' view argues that choice depends directly on comparisons, with or even without any intermediate computation of value. In this paper, we place past and current psychological and neuroscientific theories on this spectrum, and review empirical data that have led to an increasing focus on comparison rather than value as the driver of choice. 相似文献
967.
Our aim was to investigate two personality traits (i.e., stoicism and sensation seeking) that may account for well-established gender differences in suicide, within the framework of the interpersonal theory of suicide. This theory proposes that acquired capability for suicide, a construct comprised of pain insensitivity and fearlessness about death, explains gender differences in suicide. Across two samples of undergraduates (N = 185 and N = 363), men demonstrated significantly greater levels of both facets of acquired capability than women. Further, we found that stoicism accounted for the relationship between gender and pain insensitivity, and sensation seeking accounted for the relationship between gender and fearlessness about death. Thus, personality may be one psychological mechanism accounting for gender differences in suicidal behavior. 相似文献
968.
Bissett PG Logan GD 《Journal of experimental psychology. Human perception and performance》2012,38(3):746-757
Control adjustments are necessary to balance competing cognitive demands. One task that is well-suited to explore control adjustments is the stop-signal paradigm, in which subjects must balance initiation and inhibition. One common adjustment in the stop-signal paradigm is post-stop-signal slowing. Existing models of sequential adjustments in the stop-signal paradigm suggest that post-stop-signal slowing may be based solely on the events of the previous trial, suggesting that post-stop-signal slowing is a reflexive byproduct of a stop signal. Alternatively, post-stop-signal slowing could be the result of implicit learning or strategic adjustment. The authors report three experiments that manipulated the probability of stop trial repetition and found that these contingencies eliminate, reverse, or greatly increase post-stop-signal slowing. When the contingency was not instructed or cued, modest adjustments of post-stop-signal slowing occurred, suggesting implicit learning. When the contingency was cued, performance adjustments occurred on the next trial, suggesting that strategies dominated post-stop-signal slowing. These results show that post-stop-signal slowing is not a reflexive byproduct of the stop signal. The large changes in strategy accompany large changes in task factors, suggesting that the modest post-stop-signal slowing usually observed may be a result of the relatively static task environment that does not encourage large strategic changes. 相似文献
969.
Bissett PG Logan GD 《Journal of experimental psychology. Learning, memory, and cognition》2012,38(4):955-966
Performance in the stop-signal paradigm involves a balance between going and stopping, and one way that this balance is struck is through shifting priority away from the go task, slowing responses after a stop signal, and improving the probability of inhibition. In 6 experiments, the authors tested whether there is a corresponding shift in priority toward the stop task, speeding reaction time to the stop signal. Consistent with this hypothesis, stop-signal reaction time (SSRT) decreased on the trial immediately following a stop signal in each experiment. Experiments 2-4 used 2 very different stop signals within a modality, and stopping improved when the stop stimulus repeated and alternated. Experiments 5 and 6 presented stop signals in different modalities and showed that SSRT improved only when the stop stimulus repeated within a modality. These results demonstrate within-modality post-stop-signal speeding of response inhibition. 相似文献
970.
Gordon B. Forbes Jaehee Jung Juan Diego Vaamonde Alicia Omar Laura Paris Nilton Soares Formiga 《Sex roles》2012,66(9-10):677-694
Body dissatisfaction and associated attitudes were studied in 18–24?years old women from universities in Rosario, Santa Fe, Argentina (N?=?118), Jo?o Pessoa, Paraíba, Brazil (N?=?81), and mid-Atlantic U.S. (N?=?102). Based on anecdotal reports, theoretical concerns, and empirical studies, we expected greater body dissatisfaction and negative body attitudes in our Argentine and Brazilian samples than in the U.S. sample. Body dissatisfaction was a significant problem in all samples, but we found few differences in levels of body dissatisfaction. The Argentine and Brazilian samples scored lower than the U.S. sample on measures associated with disordered eating, experienced less pressure to be thin, and were less likely to internalize the thin body ideal. Body shame was highest in the Brazilian sample and lowest in the Argentine sample. Cultural features in Argentina and Brazil that may offer some level of protection against the thin body ideal were discussed. 相似文献