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821.
This study applies Hobfoll's notion of loss spirals to argue for a reciprocal relationship between role stress and 2 of its most commonly studied consequences: exhaustion and satisfaction. By means of structural equation modeling and a cross‐lagged design of 116 business managers, the researchers found support for a relationship between role stress and exhaustion. They also found that satisfaction influences role stress, a relationship that the existing literature has not examined. The study contributes a more complex understanding of the relationship between role stress and its modeled outcomes than has been achieved previously. 相似文献
822.
Individual vocal recognition behaviors in songbirds provide an excellent framework for the investigation of comparative psychological and neurobiological mechanisms that support the perception and cognition of complex acoustic communication signals. To this end, the complex songs of European starlings have been studied extensively. Yet, several basic parameters of starling individual vocal recognition have not been assessed. Here we investigate the temporal extent of song information acquired by starlings during vocal recognition learning. We trained two groups of starlings using standard operant conditioning techniques to recognize several songs from two conspecific male singers. In the first experiment we tested their ability to maintain accurate recognition when presented with (1) random sequences of 1–12 motifs (stereotyped song components) drawn from the training songs, and (2) 0.1–12-s excerpts of continuous song drawn from the training songs. We found that song recognition improved monotonically as more vocal material is provided. In the second experiment, we systematically substituted continuous, varying length regions of white noise for portions of the training songs and again examined recognition accuracy. Recognition remained above chance levels for all noise substitutions tested (up to 91% of the training stimulus) although all but the smallest substitutions led to some decrement in song recognition. Overall, above chance recognition could be obtained with surprisingly few motifs, short excerpts of song, and in the absence of large portions of the training songs. These results suggest that starlings acquire a representation of song during individual vocal recognition learning that is robust to perturbations and distributed broadly over large portions of these complex acoustic sequences. 相似文献
823.
Daniel Cojocaru 《Religion Compass》2012,6(1):72-81
In the first of three parts the reader is introduced to René Girard’s interdisciplinary theory of religion as he developed it throughout his academic career. From his initial formulation of “mimetic desire” in his work on the Europen novel (Deceit, Desire, and the Novel 1961/1965), over his equation of violence with the sacred in his study of comparative anthropology (Violence and the Sacred, 1972/1977) to the claim in Things Hidden Since the Foundation of the World (1978/1987) that the Gospels reveal the “scapegoat mechanism” on which archaic religion is based, the main concepts of Girardian theory will be discussed. The second part is devoted to the implications of Girard’s theory on political religion, as discussed by Emilio Gentile and Roger Griffin. In a final step, the discussion’s insights will be exemplified through a reading of Peace’s novel GB84, portraying the British Miners’ Strike of 1984/1985. True to the Girardian interdisciplinary spirit, it will be argued that a novelistic account of the Miners’ Strike can reveal the hidden history of conflictive mimesis and the quasi‐religious structure of the “two tribes” involved in the Strike. 相似文献
824.
Farrelly D 《British journal of psychology (London, England : 1953)》2011,102(3):406-430
Previous research highlighting the role sexual selection may play in the evolution of human cooperation has yet to distinguish what qualities such behaviours actually signal. The aim here was to examine whether female preferences for male cooperative behaviours are because they signal genetic or indirect phenotypic quality. This was possible by taking into account female participants' stage of menstrual cycle, as much research has shown that females at the most fertile stage show greater preferences specifically for signals of genetic quality than any other stage, particularly for short-term relationships. Therefore, different examples of cooperation (personality, costly signals, heroism) and the mate preferences for altruistic traits self-report scale were used across a series of four experiments to examine females' attitudes towards cooperation in potential mates for different relationship lengths at different stages of the menstrual cycle. The results here consistently show that female fertility had no effect on perceptions of cooperative behaviour, and that such traits were considered more important for long-term relationships. Therefore, this provides strong evidence that cooperative behaviour is important in mate choice as predominantly a signal of phenotypic rather than genetic quality. 相似文献
825.
College students in a psychology research-methods course learned concepts related to inferential statistics and hypothesis decision making. One group received equivalence-based instruction on conditional discriminations that were expected to promote the emergence of many untaught, academically useful abilities (i.e., stimulus equivalence group). A negative control group received no instruction, and a positive (complete instruction) control group received instruction on all possible relations (those taught to, and emerging untaught in, the stimulus equivalence group). On posttests, the stimulus equivalence group performed as well as the positive control group (and both outperformed the negative control group), but those in the equivalence-based instruction condition achieved this outcome with significantly less training, thereby demonstrating the efficiency of equivalence-based instruction. Social validity measures indicated that participants found the instruction to be beneficial and as enjoyable as traditional teaching methods. 相似文献
826.
827.
The goals of the present study were to examine how context impacts perceptions of children, and the extent to which context interacts with a child's age and gender to alter adults perceptions of children. Specifically, we examine how perceptions of honesty (i.e. knowing the difference between truth and lie, being trusted by adults, being reliable, and honest) and cognitive ability (i.e. having a good memory for events and being able to attend and concentrate) are the same or different in the context of a child sexual abuse case (CSA) than when no context is provided. First, the results revealed few significant findings with regard to either juror or child gender. The analyses did reveal several context effects, with attention, trusted, reliable and honesty each producing higher ratings, and therefore better perceived memories, in the CSA condition than the no context condition. Also, ratings of all the dependent variables varied by age and 4 out of the 5 higher order interactions involved child age. Importantly, we found that ratings of honesty and cognitive abilities were not linear with age but, typically, ratings increased with age but then leveled out or started decreasing after 8 years‐of‐age. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
828.
Marianna E. Carlucci Jenna M. Kieckhaefer Shari L. Schwartz Daniella K. Villalba Daniel B. Wright 《Applied cognitive psychology》2011,25(4):562-566
People's reports are affected by what others say. The current study compared memory conformity effects of people who interacted with a confederate, and of bystanders to that interaction. A second goal was to observe if memory conformity occurs in a naturalistic setting. A male confederate approached a group of people at the beach and had a brief interaction. About a minute later a research assistant approached the group and administered a target‐absent lineup to each person in the group. Memory conformity was observed. Bystanders were twice as likely to conform as those who interacted with the confederate. Forensic investigators should take into consideration the role a person plays in an event when assessing eyewitness evidence. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
829.
Daniel Whiting 《European Journal of Philosophy》2011,19(4):607-624
Abstract: According to deflationism, grasp of the concept of truth consists in nothing more than a disposition to accept a priori (non‐paradoxical) instances of the schema: (DS) It is true that p if and only if p. According to contextualism, the same expression with the same meaning might, on different occasions of use, express different propositions bearing different truth‐conditions (where this does not result from indexicality and the like). On this view, what is expressed in an utterance depends in a non‐negligible way on the circumstances. Charles Travis claims that contextualism shows that ‘deflationism is a mistake’, that truth is a more substantive notion than deflationism allows. In this paper, I examine Travis's arguments in support of this ‘inflationary’ claim and argue that they are unsuccessful. 相似文献
830.