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731.
Richard Bradley 《Topoi》2011,30(1):39-45
Case-based reasoning is a familiar method of evaluating sentences. But when applied to conditionals, it seems to lead to implausible
conclusions. In this paper I argue that the problem arises from equating the probability of a conditional sentence on the
evidential supposition of some condition with the conditional probability of the former, given the latter. 相似文献
732.
What mechanisms underlie children’s language production? Structural priming—the repetition of sentence structure across utterances—is an important measure of the developing production system. We propose its mechanism in children is the same as may underlie analogical reasoning: structure‐mapping. Under this view, structural priming is the result of making an analogy between utterances, such that children map semantic and syntactic structure from previous to future utterances. Because the ability to map relationally complex structures develops with age, younger children are less successful than older children at mapping both semantic and syntactic relations. Consistent with this account, 4‐year‐old children showed priming only of semantic relations when surface similarity across utterances was limited, whereas 5‐year‐olds showed priming of both semantic and syntactic structure regardless of shared surface similarity. The priming of semantic structure without syntactic structure is uniquely predicted by the structure‐mapping account because others have interpreted structural priming as a reflection of developing syntactic knowledge. 相似文献
733.
Managing a new collaborative entity in business organizations: understanding organizational communities of practice effectiveness 总被引:1,自引:0,他引:1
Kirkman BL Mathieu JE Cordery JL Rosen B Kukenberger M 《The Journal of applied psychology》2011,96(6):1234-1245
Companies worldwide are turning to organizational communities of practice (OCoPs) as vehicles to generate learning and enhance organizational performance. OCoPs are defined as groups of employees who share a concern, a set of problems, or a passion about a topic and who strengthen their knowledge and expertise by interacting on a consistent basis. To date, OCoP research has drawn almost exclusively from the community of practice (CoP) literature, even though the organizational form of CoPs shares attributes of traditional CoPs and of organizational teams. Drawing on Lave and Wenger's (1991) original theory of legitimate peripheral participation, we integrate theory and research from CoPs and organizational teams to develop and empirically examine a model of OCoP effectiveness that includes constructs such as leadership, empowerment, the structure of tasks, and OCoP relevance to organizational effectiveness. Using data from 32 OCoPs in a U.S.-based multinational mining and minerals processing firm, we found that external community leaders play an important role in enhancing OCoP empowerment, particularly to the extent that task interdependence is high. Empowerment, in turn, was positively related to OCoP effectiveness. We also found that OCoPs designated as "core" by the organization (e.g., working on critical issues) were more effective than those that were noncore. Task interdependence also was positively related to OCoP effectiveness. We provide scholars and practitioners with insights on how to effectively manage OCoPs in today's organizations. 相似文献
734.
Accuracy rates with polygraphs using concealed information tests (CITs) depend on memory for crime details. Some participants read instructions on murdering a dummy victim that specified exact crime details asked on the subsequent CIT. Others read instructions not stating details, but still requiring interaction with the exact same details for the crime. For example, the murder weapon was under four heavy boxes. Instructions stated either "... remove the 4 boxes ..." or "... remove the boxes ..." Thus, each group removed four boxes, but only one group was primed with the number "4" beforehand. In addition, the victim unexpectedly shouted at some participants during the crime. An innocent group was not exposed to either manipulation. Memory, detection scores, and detection rates were lower for guilty participants not primed with details. Sound affected detection scores but not memory, and there was no interaction between the two factors. Information tests are limited by how crime information is received. 相似文献
735.
D. J. Bradley 《Synthese》2011,182(3):393-411
How do temporal and eternal beliefs interact? I argue that acquiring a temporal belief should have no effect on eternal beliefs for an important range of cases. Thus, I oppose the popular view that new norms of belief change must be introduced for cases where the only change is the passing of time. I defend this position from the purported counter-examples of the Prisoner and Sleeping Beauty. I distinguish two importantly different ways in which temporal beliefs can be acquired and draw some general conclusions about their impact on eternal beliefs. 相似文献
736.
Sturz BR Cooke SP Bodily KD 《Journal of experimental psychology. Animal behavior processes》2011,37(3):368-374
Vectors are mathematical representations of distance and direction information that take the form of line segments where length represents distance and orientation in space represents direction. Vector-based models have proven beneficial in understanding the spatial behavior of a variety of species in tasks that require landmark-based navigation via vector addition and vector averaging to determine a location. Extant research regarding vector-based representational and computational accounts of landmark-based navigation has involved tasks that required solving for one unknown (i.e., a location). Using a novel landmark-based navigation task, we provide evidence consistent with a form of vector algebra that involves solving two simultaneous equations with two unknowns in order to determine a location in space. Results extend vector-based accounts of landmark-based navigation and provide a novel methodological approach to the testing of mobile organisms. 相似文献
737.
Bradley T. Erford Stephanie Crockett Monica Giguere Jenna Darrow 《Journal of Employment Counseling》2011,48(2):81-92
The authors reviewed article and author patterns for articles published in the Journal of Employment Counseling (JEC) from 1994 through 2009. Author demographic characteristics assessed included sex of lead and all authors, lead author domicile, employment setting of lead and all authors, and individuals and universities contributing most frequently to JEC. Article content was identified and research articles published in JEC were specifically analyzed for trends over time during 4‐year periods, including type of research design, quantitative/qualitative approach, intervention/nonintervention focus, random versus nonrandom sampling/assignment, sample size, participant types, and statistical analyses used. 相似文献
738.
739.
Biggs AT Kreager RD Gibson BS Villano M Crowell CR 《Journal of experimental psychology. Human perception and performance》2012,38(2):531-541
Emotion appears to have a substantial impact on a wide variety of attentional functions. However, stimuli that elicit affective responses also tend to be meaningful. Here we attempted to disentangle the effects of meaning from the effects of affect on attentional capture by irrelevant distractors. Experiment 1 used a previously unfamiliar distractor stimulus, and manipulated the amount of knowledge provided to observers about the distractor. The results suggested that increases in meaning can reduce attentional capture. Experiments 2 and 3 used both familiar and unfamiliar symbols (baseball logos and flags, respectively) as distractors. Critically, of the two familiar symbols, one was rated as affective-positive and the other was rated as affective-negative. As in Experiment 1, the results showed that unfamiliar distractors can capture attention. In addition, the results also suggested that the two affective distractors captured attention (so long as they were sufficiently intense). This finding suggests that while increased knowledge can reduce capture, affect can restore an item's ability to capture attention. Finally, the results of Experiment 4 showed that observers were slower to disengage from a negative item than from a positive item. This evidence emphasizes the differential roles of semantic knowledge versus affect on attentional capture. 相似文献
740.
Cognitive accounts of obsessive compulsive disorder (OCD) assert that core beliefs are crucial to the development, maintenance, and treatment of the disorder. There are a number of obsessive beliefs that are considered fundamental to OCD, including personal responsibility, threat estimation, perfectionism, need for certainty, importance of thoughts, and thought control. The present study investigated if pretreatment severity of obsessive beliefs, as well as the change in obsessive beliefs following treatment, predicted intensive, residential cognitive behavioral therapy (CBT) treatment outcome. A series of hierarchical regression analyses were carried out to investigate the relations between obsessive beliefs and treatment outcome. Results indicated that inflated pretreatment responsibility/threat estimation beliefs were significantly related to less overall obsessive compulsive (OC) symptom reduction at discharge, explaining 2% of the overall variance. Changes in obsessive beliefs broadly, and importance/control of thoughts specifically, were positively related to overall OC symptom reduction at discharge, respectively explaining 18% and 3.6% variance. Results are modestly consistent with a number of theoretical models, which argue that inflated responsibility, threat estimation, and thought control are important to the maintenance and treatment of OCD. 相似文献