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Understanding the actions of others depends on the insight that these actions are structured by intentional relations. In a number of conceptual domains, comparison with familiar instances has been shown to support children's and adults' ability to discern the relational structure of novel instances. Recent evidence suggests that this process supports infants' analysis of others' goal-directed actions (Gerson &; Woodward, 2012). The current studies evaluated whether labeling, which has been shown to support relational learning in other domains, also supports infants' sensitivity to the goal structure of others' actions. Ten-month-old infants observed events in which a familiar action, grasping, was aligned (simultaneously presented) with a novel tool-use action, and both actions were accompanied by a matched label. Following this training, infants responded systematically to the goal structure of the tool-use actions in a goal imitation paradigm. In control conditions, when the aligned actions were accompanied by nonword vocalizations, or when labeling occurred without aligned actions, infants did not respond systematically to the tool-use action. These findings indicate that labels supported infants' comparison of the aligned actions, and this comparison facilitated their understanding of the novel action as goal-directed. 相似文献
144.
Miriam A. Novack Annette M. E. Henderson Amanda L. Woodward 《Journal of cognition and development》2014,15(4):539-550
By the end of the 1st year, infants expect spoken labels to be extended across individuals and thus seem to understand words as shared conventional forms. However, it is unknown whether infants' willingness to extend labels across individuals is constrained to familiar forms, such as spoken words, or whether infants can identify a broader range of symbols as potential conventions. The present study tested whether 12-month-old infants will extend a novel sign label to a new person. Results indicate that 12-month-olds expect signed object–label relations to extend across agents but restrict object preferences to individuals. The results suggest that infants' expectations about conventional behaviors and linguistic forms are likely broad at 12 months. The implications of these findings for infants' early conceptions of conventional behaviors as well as our understanding of the initial state of the learner are considered. 相似文献
145.
Veronica Hefner Kelly Woodward Laura Figge Jennifer L. Bevan Nicole Santora Sabeen Baloch 《Media Psychology》2014,17(2):185-207
A recent trend in screen media is the casting of older women who have bodies that are the shapes and sizes of younger women. These aging beauties can be found in shows such as Cougar Town and Desperate Housewives. It was predicted that heavy viewers of these media would report stronger eating disorder symptomatology, greater body ideal discrepancies, and stricter food choices than light viewers. Participants were 166 midlife women (M: 44.57 years) who completed an online questionnaire that asked about body ideals, disordered eating, food choices, and exposure to aging beauty programming. Results demonstrate that media exposure was associated with stronger reports of disordered eating, greater discrepancies between actual body size and both women's ideal body size as well as perceptions of how others wanted them to look, and stricter food choices when around other people. Ideal self-discrepancies mediate the association between aging beauty media and disordered eating symptomatology. Our study builds on extant work related to media consumption, body concerns, and eating behaviors among a non–college-aged sample. 相似文献
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When performing tasks in alternation, substantial slowing occurs when the stimuli have features relevant to both tasks (i.e., when stimuli are bivalent as opposed to univalent). One possible source of this slowing, herein called a bivalency cost, is that encountering bivalent stimuli leads to a more cautious response style. To investigate this, we employed a paradigm that required performing three simple tasks, with bivalent stimuli occasionally encountered on one task. The results show that regardless of the feature overlap among the stimuli used for the different tasks, the introduction of bivalent stimuli slowed responding on all tasks and it was accompanied by a decrease in response errors. Overall, it appears that bivalent stimuli recruit a more cautious approach to task-switching performance. 相似文献
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Previously, we proposed a theoretical framework that classified infants into qualitative categories of reactivity, rather than on a continuous dimension. The present research used an objective statistical procedure (maximum covariance analysis, or MAXCOV) to determine if a qualitative latent structure, consistent with our theoretical conjectures, would be found to underlie quantitative indices of reactivity to stimuli in a sample of 599 four-month-old infants. Results of the MAXCOV analysis showed clear evidence of a latent discontinuity underlying the behavioral measures of infant reactivity. The base rate of the latent class (or taxon) was estimated at 10%. Infants within the putative high-reactivity taxon, compared with infants not in the taxon, were elevated on measures of behavioral inhibition at 4.5 years. These results provide objective empirical support for a central tenet in our theoretical model by supporting the taxonicity of infant reactivity. 相似文献
150.
James Woodward 《Erkenntnis》1992,36(2):181-218
This paper explores the idea that laws express relationships between properties or universals as defended in Michael Tooley's recent book Causation: A Realist Approach. I suggest that the most plausible version of realism will take a different form than that advocated by Tooley. According to this alternative, laws are grounded in facts about the capacities and powers of particular systems, rather than facts about relations between universals. The notion of lawfulness is linked to the notion of invariance, rather than to the metaphysical notion of a necessary connection. 相似文献