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201.
The authors examined how 2 lemur species (Eulemur fulvus and Lemur catta) reason about tools. Experiment 1 allowed subjects to use 1 of 2 canes to retrieve an inaccessible food reward. Lemurs learned to solve this problem as quickly as other primates. Experiment 2 then presented subjects with novel tools differing from the originals along one featural dimension. Subjects attended more to tools' sizes than to their colors and made no distinction between tools' shapes and textures. Experiments 3 and 4 presented problems in which some of the tools' orientations had to be modified relative to the food. Subjects performed well on these problems, sometimes modifying the position of the tool. These results are discussed in light of the performance of other primates on this task.  相似文献   
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The Baltimore Mural Project (BMP) seeks to connect religious studies education to the growing literature on threshold concepts in order to address bottleneck areas in student learning. The project is designed for undergraduate service courses comprised of mostly non‐majors: for example, world religions. Students in these courses often struggle to understand and apply the discipline's unique approaches to the study of religion (i.e. its threshold concepts). Rather than merely memorize certain facts about a religious tradition's myths [or world forming stories], rituals [or embodied disclosures], materials, and so on... students are asked to apply threshold concepts related to religion, art, and the social good to the study of murals in Baltimore. Through a series of project elements (including: field work, photography, digital geomapping, and quantitative, qualitative, and archival research) the BMP helps students who struggle with threshold concepts in religious studies by creatively connecting the more conventional aspects of world religions courses to social justice issues related to mural art in Baltimore. By experientially helping students to make these connections, they are able to find creative routes through otherwise hindering barriers to their learning in religious studies.  相似文献   
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We compared trajectories of terminal cognitive decline in older Black (n = 3372) and White (n = 1756) persons from a defined population who completed tests of episodic memory and perceptual speed at 3-year intervals for up to 18 years. During a mean of 9.9 years of observation, 1608 Black persons and 902 White persons died. Preterminal decline of episodic memory did not differ by race. Terminal episodic memory decline began earlier in Black persons (mean of 4.3 years before death) than in White persons (mean = 3.9 years) and progressed more slowly. By contrast, terminal decline of perceptual speed began earlier in White persons (mean = 5.0 years) than in Black persons (mean = 4.5 years). Rate of perceptual speed decline was more rapid in White persons than in Black persons in both the preterminal and terminal periods. The results indicate that terminal cognitive decline occurs in Black persons but suggest that the rate of cognitive decline during the terminal period is less rapid in Black persons than in White persons.  相似文献   
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Critics recently have focused attention on the roles of race and gender in Shakespeare's Othello, examining how the play interrogates social norms and disagreeing over whether those norms ultimately are subverted or upheld. However, in focusing on the play's Caucasian, patriarchal society, critics have largely overlooked the textual issue of age: Othello and Desdemona are separated by as much as a generation. The mature Othello would bring to mind for early modern audiences several theatrical and social conventions, from the Roman comedic tradition to the role of the aged cuckold. These conventions generally are challenged in the early part of the play, then upheld in later acts as Othello descends into Iago's alternative reality. This article demonstrates how early modern views of age and aging work with racial stereotypes both to ennoble the character of Othello and to destroy him.  相似文献   
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Fillenbaum (Journal of Personality and Social Psychology, 1966, 4, 532–537; Fillenbaum & Frey, Journal of Personality, 1970, 38, 43–51) has proposed that a relatively large number of subjects within certain experiments will adopt a faithful subject role, that is, they will intentionally avoid basing their behavior on any suspicions they may have regarding the experimenter's hypothesis. However, examination of the studies on which this conclusion was based casts doubt on whether Fillenbaum's subjects were truly faithful or whether they may have become aware of the nature of the deception after all opportunity for awareness to influence their responses had passed. To test this hypothesis, awareness measures were administered to subjects either before they took an incidental learning test or (as in Fillenbaum's studies) after the test. As predicted, fewer subjects were classified as faithful in the first condition than in the second. It was concluded that, in fact, very few if any subjects are actively faithful. Discussion also concerned the problems associated with role analyses of subject behavior.  相似文献   
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