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921.
    
In making causal inferences, children must both identify a causal problem and selectively attend to meaningful evidence. Four experiments demonstrate that verbally framing an event (“Which animals make Lion laugh?”) helps 4-year-olds extract evidence from a complex scene to make accurate causal inferences. Whereas framing was unnecessary when evidence was isolated, children required it to extract and reason about evidence embedded in a more complex scene. Subtler framing stating the causal problem, but not highlighting the relevant variables, was equally effective. Simply making the causal relationship more perceptually obvious did facilitate children's inferences, but not to the level of verbal framing. These results illustrate how children's causal reasoning relies on scaffolding from adults.  相似文献   
922.
    
Children growing up in a dual-language environment have to constantly monitor the dynamic communicative context to determine what the speaker is trying to say and how to respond appropriately. Such self-generated efforts to monitor speakers' communicative needs may heighten children's sensitivity to, and allow them to make better use of, referential gestures to figure out a speaker's referential intent. In a series of studies, we explored monolingual and bilingual preschoolers' use of nonverbal referential gestures such as pointing and gaze direction to figure out a speaker's intent to refer. In Study 1, we found that 3- and 4-year-old bilingual children were better able than monolingual children to use referential gestures (e.g., gaze direction) to locate a hidden toy in the face of conflicting body-distal information (the experimenter was seated behind an empty box while the cue was directed at the correct box). Study 2 found that by 5 years of age, monolingual children had mastered this task. Study 3 established that the bilingual advantage can be found in children as young as 2 years old. Thus, the experience of growing up in a bilingual environment fosters the development of the understanding of referential intent.  相似文献   
923.
    
ABSTRACT

This study examined whether the severity of cerebral white matter abnormalities (evident on MR images as white matter hyperintensities (WMH)) was related to the cognitive performance of 141 high-functioning older adults. The elderly showed the typical age decrement on measures of processing speed, working memory, and inhibition; however WMH severity was significantly related only to processing speed. The strength of this relationship was, however, influenced by the educational level of the participants, such that processing speed was more associated with WMH severity in less-educated than in well-educated participants. This is consistent with recent concepts of cognitive reserve, but does raise a question as to the underlying source of the cognitive decrement found in the sort of well-educated elders typically used in cognitive-aging studies.  相似文献   
924.
    
ABSTRACT

The purpose of this study was to determine the effectiveness of semantic cues provided at encoding and during retention for older adults' memory. For the California Verbal Learning Test-II, participants received semantic or nonsemantic cues that were varied across groups at encoding and during the retention interval. Provision of a semantic cue at encoding led to greater semantic clustering at learning, but not increased recall performance. Providing a semantic cue during the retention interval led to better delayed free recall and greater semantic clustering. No group differences in recall or semantic clustering were found at delayed cued recall. The current findings suggest that semantic cues can be beneficial for recalling unstructured information when administered during the retention interval.  相似文献   
925.
    
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928.
    
The present paper describes some of the most relevant events in the development of psychology in Latin America. After proposing a synthesis of antecedents, the paper addresses some scientific and professional activities leading to the birth of scientific psychology in several Latin American countries during the last decade of the 19th century. Next, the paper describes the foundation of university‐level institutions for education and professional training of psychologists during the first half of the 20th century. Finally, some reflections comment on the mechanisms which led to the creation and maintenance of several scientific communities contributing to a thriving contemporary Latin American psychology.  相似文献   
929.
    
The recent emergence of atheist movements despite marginalization and distrust by a majority of Americans has been explained as a successful deployment of identity politics, but scholars have less often considered the importance of how identity and power intersect with political opportunity occurring within organizational and religious fields. Analyzing the case of the U.S. Air Force Academy (USAFA) Cadet Freethinkers Group, we demonstrate that although it encountered opportunity in the organizational shock of the 2004 USAFA proselytism controversy, this opportunity was not a blank check, but instead afforded some possibilities for action and not others. Freethinkers’ actions to secure official recognition were limited by (1) their low placement in the chain of command and (2) a collective identity inclusive of secular humanism and atheism, which did not produce enough unity to take collective actions risking punishment, and created ambiguity vis‐à‐vis religion that allowed USAFA administrators to accept or deny their institutional membership claims through appeal, respectively, to functional or substantive definitions of religion.  相似文献   
930.
    
Domestic violence affects not only the victims and perpetrators, but also children living in these households. This study examined the long-term effects of a training presented to all employees working in 22 different rural school districts (N = 556). Quantitative and qualitative data were collected to determine the long-term impact of the training. After approximately 4 years, the staff who had received the training reported that they had significantly more confidence in handling families dealing with domestic violence; however, both groups reported similar levels of general knowledge of the topic. Recommendations for training school personnel are provided along with key elements for replicating the training.  相似文献   
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