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11.
Brandy N. Frazier Susan A. Gelman Henry M. Wellman 《Journal of cognition and development》2016,17(5):718-736
Research with preschool children has shown that explanations are important to them in that they actively seek explanations in their conversations with adults. But what sorts of explanations do they prefer, and what, if anything, do young children learn from the explanations they receive? Following a preliminary study with adults (N = 67) to establish materials for use with children, we addressed this question using a seminaturalistic methodology. Four- and 5-year-olds (N = 69) were dissatisfied when receiving nonexplanations to their explanatory questions, but they were satisfied when receiving explanations, and their satisfaction varied appropriately across several levels of explanatory information. Moreover, using recall as a measure of learning, whereas children typically failed to recall nonexplanations, their recall of explanatory information was consistently high and also varied appropriately across differing levels of information provided. These results confirm that children not only actively seek informative explanations in their everyday conversational interactions with adults, but they selectively retain the answers they receive. 相似文献
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We thank Deborah John, Lan Chaplin, and Daphna Oyserman for their insightful and generous responses. Each commentary seriously takes up the challenge we set forth at the end of our target article—how to link the research on children's concepts of object value to broader issues involving persuasion, including social influences on choices, behaviors, and values. In doing so, they build on our original paper in rich and exciting ways. 相似文献
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The present studies examined beliefs concerning the impact of psychosocial factors in the transmission of contagious illness, injuries, and disgust. In Studies 1 and 2, participants ranging from preschoolers through adults judged the likelihood that a character would get sick (or injured) after being contaminated by another individual who was either of no stated relation to the character or who was a best friend, a disliked person, or a family member. Studies 3 and 4 examined effects of psychosocial relatedness on judgments of disgust (a psychological response). Study 5 examined the influence of germs on judgments of disgust. Overall, preschoolers through 2nd graders judged that any type of relatedness decreased the possibility of contracting illness from another person. However, for disgust, preschoolers judged that negative contagion would have a more powerful effect, particularly in the presence of germs. Relatedness had no effect on judgments of injury transmission. These results suggest that young children treat the psychological and biological domains as distinct but mutually interacting. 相似文献
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Evaluating whether a limited sample of evidence provides a good basis for induction is a critical cognitive task. We hypothesized that whereas adults evaluate the inductive strength of samples containing multiple pieces of evidence by attending to the relations among the exemplars (e.g., sample diversity), six-year-olds would attend to the degree to which each individual exemplar in a sample independently appears informative (e.g., premise typicality). To test these hypotheses, participants were asked to select between diverse and non-diverse samples to help them learn about basic-level animal categories. Across various between-subject conditions (N=133), we varied the typicality present in the diverse and non-diverse samples. We found that adults reliably selected to examine diverse over non-diverse samples, regardless of exemplar typicality, six-year-olds preferred to examine samples containing typical exemplars, regardless of sample diversity, and nine-year-olds were somewhat in the midst of this developmental transition. 相似文献
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Hierarchical classes models are models for N-way N-mode data that represent the association among the N modes and simultaneously yield, for each mode, a hierarchical classification of its elements. In this paper we present a
stochastic extension of the hierarchical classes model for two-way two-mode binary data. In line with the original model,
the new probabilistic extension still represents both the association among the two modes and the hierarchical classifications.
A fully Bayesian method for fitting the new model is presented and evaluated in a simulation study. Furthermore, we propose
tools for model selection and model checking based on Bayes factors and posterior predictive checks. We illustrate the advantages
of the new approach with applications in the domain of the psychology of choice and psychiatric diagnosis.
Iwin Leenen is now at the Instituto Mexicano de Investigación de Familia y Población (IMIFAP), Mexico. The research reported
in this paper was partially supported by the Spanish Ministerio de Educación y Ciencia (programa Ramón y Cajal) and by the
Research Council of K.U.Leuven (PDM/99/037, GOA/2000/02, and GOA/2005/04).
The authors are grateful to Johannes Berkhof for fruitful discussions. 相似文献
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Children and adults commonly produce more generic noun phrases (e.g., birds fly) about animals than artifacts. This may reflect differences in participants’ generic knowledge about specific animals/artifacts (e.g., dogs/chairs), or it may reflect a more general distinction. To test this, the current experiments asked adults and preschoolers to generate properties about novel animals and artifacts (Experiment 1: real animals/artifacts; Experiments 2 and 3: matched pairs of maximally similar, novel animals/artifacts). Data demonstrate that even without prior knowledge about these items, the likelihood of producing a generic is significantly greater for animals than artifacts. These results leave open the question of whether this pattern is the product of experience and learned associations or instead a set of early-developing theories about animals and artifacts. 相似文献
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The present studies compare young children's explanations and predictions for the biological phenomenon of contamination. In Study 1, 36 preschoolers and 24 adults heard vignettes concerning contamination, and were asked either to make a prediction or to provide an explanation. Even 3-year-olds readily supplied contamination-based explanations, and most children mentioned an unseen mechanism (germs, contact through bodily fluids). Moreover, unlike adults who performed at ceiling across both explanation and prediction tasks, children were significantly more accurate with their explanations than their predictions. In Study 2, we varied the strength of cues regarding the desirability of the contaminated substance (N=24 preschoolers). Although desirability affected responses, for both levels of desirability participants were significantly more accurate on explanation than prediction questions. Altogether, these studies demonstrate a significant "explanation advantage" for children's reasoning in the domain of everyday biology. 相似文献
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