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301.
Shown commensurate actions and information by an adult, preschoolers’ causal learning was influenced by the pedagogical context in which these actions occurred. Four-year-olds who were provided with a reason for an experimenter’s action relevant to learning causal structure showed more accurate causal learning than children exposed to the same action and data accompanied by an inappropriate rationale or accompanied by no explanatory information. These results suggest that children’s accurate causal learning is influenced by contextual factors that specify the instructional value of others’ actions. 相似文献
302.
Previous studies have suggested that children's learning of the relation between number words and approximate numerosities depends on their verbal counting ability, and that children exhibit no knowledge of mappings between number words and approximate numerical magnitudes for number words outside their productive verbal counting range. In the present study we used a numerical estimation task to explore children's knowledge of these mappings. We classified children as Level 1 counters (those unable to produce a verbal count list up to 35), Level 2 counters (those who were able to count to 35 but not 60) and Level 3 counters (those who counted to 60 or above) and asked children to estimate the number of items on a card. Although the accuracy of children's estimates depended on counting ability, children at all counting skill levels produced estimates that increased linearly in proportion to the target number, for numerosities both within and beyond their counting range. This result was obtained at the group level (Experiment 1) and at the level of individual children (Experiment 2). These findings provide evidence that even the least skilled counters do exhibit some knowledge of the form of the mapping between large number words and approximate numerosities. 相似文献
303.
Sally A. Linkenauger Jessica K. Witt Jonathan Z. Bakdash Jeanine K. Stefanucci Dennis R. Proffitt 《Psychological science》2009,20(11):1373-1380
ABSTRACT— Perception of one's body is related not only to the physical appearance of the body, but also to the neural representation of the body. The brain contains many body maps that systematically differ between right- and left-handed people. In general, the cortical representations of the right arm and right hand tend to be of greater area in the left hemisphere than in the right hemisphere for right-handed people, whereas these cortical representations tend to be symmetrical across hemispheres for left-handers. We took advantage of these naturally occurring differences and examined perceived arm length in right- and left-handed people. When looking at each arm and hand individually, right-handed participants perceived their right arms and right hands to be longer than their left arms and left hands, whereas left-handed participants perceived both arms accurately. These experiments reveal a possible relationship between implicit body maps in the brain and conscious perception of the body. 相似文献
304.
Jessica Brown 《Philosophical Studies》2009,143(3):397-405
In my remarks, I discuss Sosa's attempt to deal with the sceptical threat posed by dreaming. Sosa explores two replies to
the problem of dreaming scepticism. First, he argues that, on the imagination model of dreaming, dreaming does not threaten
the safety of our beliefs. Second, he argues that knowledge does not require safety, but a weaker condition which is not threatened
by dreaming skepticism. I raise questions about both elements of his reply.
相似文献
Jessica BrownEmail: |
305.
In five experiments, rehearsal and recall phenomena were examined using the free recall and immediate serial recall (ISR)
tasks. In Experiment 1, participants were presented with lists of eight words, were precued or postcued to respond using free
recall or ISR, and rehearsed out loud during presentation. The patterns of rehearsal were similar in all the conditions, and
there was little difference between recall in the precued and postcued conditions. In Experiment 2, both free recall and ISR
were sensitive to word length and presentation rate and showed similar patterns of rehearsal. In Experiment 3, both tasks
were sensitive to word length and articulatory suppression. The word length effects generalized to 6-item (Experiment 4) and
12-item (Experiment 5) lists. These findings suggest that the two tasks are underpinned by highly similar rehearsal and recall
processes. 相似文献
306.
Numerous recent studies suggest that human learners, including both infants and adults, readily track sequential statistics computed between adjacent elements. One such statistic, transitional probability, is typically calculated as the likelihood that one element predicts another. However, little is known about whether listeners are sensitive to the directionality of this computation. To address this issue, we tested 8-month-old infants in a word segmentation task, using fluent speech drawn from an unfamiliar natural language. Critically, test items were distinguished solely by their backward transitional probabilities. The results provide the first evidence that infants track backward statistics in fluent speech. 相似文献
307.
In this short response, we selectively address some of the key issues and criticisms raised by our esteemed commenters. First, we clarify our standpoint vis à vis "biological" arguments, underscoring that our article is not to be read as hostile to all forms of explanations that incorporate biology into the explanation of religious behavior and belief, but only against those explanations that attempt to imply that socialization plays no role ("the it's all biology" argument). Second, we defend the explanatory scope of our proposal by showing that our argument is not vulnerable to the "simpler" counterexplanation proposed by Hoffmann. Finally, we contextualize where our contributions fit in terms of more encompassing arguments regarding the operation of gender and gendering processes as multicausal, multilevel phenomena, as well as explicitly stating our perspective on the role that "risk" should play in the explanation of religious behavior and belief. 相似文献
308.
Jessica M. Nolan P. Wesley Schultz Eric S. Knowles 《Journal of applied social psychology》2009,39(5):1035-1056
Radio and television offer promising media for addressing large‐scale social problems. Unfortunately, very few mass‐media messages have utilized social psychological theories of persuasion and influence. This article summarizes 2 studies that evaluated the effectiveness of a state‐sponsored public service announcement aimed at reducing improper disposal of used motor oil among do‐it‐yourself oil changers. Study 1 was a field experiment with 120 oil changers in San Diego County. Inertial resistance and low perceived behavioral control were identified as obstacles to proper disposal. In Study 2 , we used the disrupt‐then‐reframe technique to successfully overcome these obstacles and promote proper disposal of used oil. The results underscore the usefulness of empirically validated persuasion techniques in changing behavior via mass media. 相似文献
309.
Despite a large literature on infants’ memory for visually presented stimuli, the processes underlying visual memory are not well understood. Two studies with 4-month-olds (N = 60) examined the effects of providing opportunities for comparison of items on infants’ memory for those items. Experiment 1 revealed that 4-month-olds failed to show evidence of memory for an item presented during familiarization in a standard task (i.e., when only one item was presented during familiarization). In Experiment 2, infants showed robust memory for one of two different items presented during familiarization. Thus, infants’ memory for the distinctive features of individual items was enhanced when they could compare items. 相似文献
310.
Despite the potential benefits of self-disclosure, individuals with lower self-esteem (LSEs) tend to avoid self-revelations. The present study investigated the role of self-esteem in predicting detrimental responses to the disclosure of a personal failure. We employed a novel experimental design where all participants experienced a lab-induced stressor (failure feedback on a competence test) and half were randomly assigned to disclose this information to their dating partner. In contrast to LSEs who concealed the personal failure, LSEs who disclosed the failure reported several negative consequences that may further contribute to relationship-based distress. However, individuals higher in self-esteem (HSEs) benefitted from disclosing the personal failure in comparison to LSEs who disclosed and HSEs who concealed the failure. We discuss the consequences of disclosing personal failures to partners for HSEs and LSEs. 相似文献