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Kwang Ng Aik; Rodrigues Daphne |
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Title |
A Big-Five Personality Profile of the Adaptor and Innovator |
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2011 |
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The Journal of Creative Behavior |
Abbreviated Journal |
J. Creativ. Behav. |
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36 |
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4 |
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254-268 |
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This study explored the relationship between two creative styles (adaptor and innovator) and the Big Five personality traits (extraversion, agreeableness, conscientiousness, neuroticism, and openness to experience). 164 teachers from 3 secondary and 2 primary schools in Singapore completed a self?report questionnaire, which consisted of the Kirton Adaption?Innovation Inventory and the NEO?Five Factor Inventory. It was found that adaptors were significantly more conscientious than innovators, while innovators were significantly more extraverted and open to experience than adaptors. No significant differences were found between adaptors and innovators in neuroticism and agreeableness. The study also revealed a meaningful pattern of relationships between the Big Five personality traits and the three facet scales of the KAI. Specifically, Sufficiency of Originality was negatively correlated with Openness to Experience and Extraversion; Rule Governance was positively correlated with conscientiousness but negatively correlated with openness to experience; Efficiency was positively correlated with conscientiousness. The overall findings supported the fundamental contention that different creative styles were due to different combinations of personality traits, with adaptors being more conscientious, while innovators being more extraverted and open to experience. These personality?based differences in creative styles between adaptors and innovators had resulted in much social conflict between them. One way of resolving it is to make known the nature and value of different creative styles to these two different types of creators. |
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Wiley-Blackwell |
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doi: 10.1002/j.2162-6057.2002.tb01068.x |
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Equine Behaviour @ team @ |
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6384 |
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Author |
Romero L. M. |
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Title |
Using the reactive scope model to understand why stress physiology predicts survival during starvation in Galápagos marine iguanas |
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2011 |
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General and Comparative Endocrinology |
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Gen Comp Endocrinol |
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Reactive scope; Allostasis; Glucocorticoids; Stress; Survival |
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Even though the term “stress” is widely used, a precise definition is notoriously difficult. Notwithstanding this difficulty, stress continues to be an important concept in biology because it attempts to describe how animals cope with environmental change under emergency conditions. Without a precise definition, however, it becomes nearly impossible to make testable a priori predictions about how physiological and hormonal systems will respond to emergency conditions and what the ultimate impact on the animal will be. The reactive scope model is a recent attempt to formulate testable predictions. This model provides a physiological basis to explain why corticosterone negative feedback, but not baseline corticosterone concentrations, corticosterone responses to acute stress, or the interrenal capacity to secrete corticosterone, is correlated with survival during famine conditions in Galápagos marine iguanas. Reactive scope thus provides a foundation for interpreting and predicting physiological stress responses. |
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0016-6480 |
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Equine Behaviour @ team @ |
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5584 |
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Riebli, T.; Avgan, B.; Bottini, A.-M.; Duc, C.; Taborsky, M.; Heg, D. |
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Behavioural type affects dominance and growth in staged encounters of cooperatively breeding cichlids |
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2011 |
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Animal Behaviour. |
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Anim. Behav. |
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81 |
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1 |
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313-323 |
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behavioural syndrome; body condition; Neolamprologus pulcher; personality; reserves; strategic growth; submission |
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In animals, behavioural properties such as aggressive propensity are often consistent over a life span, and they may form part of a behavioural syndrome. We studied how aggressive propensity influences dominance, contest behaviour and growth in the cooperatively breeding cichlid fish Neolamprologus pulcher. We tested whether intrinsic aggressive propensity (1) influences dominance in paired contests, (2) causes different aggression levels in contests with partners matched for aggressive propensity compared to unmatched partners, and how it (3) affects growth rate in groups that were either matched or unmatched for aggressive propensity. Intrinsic aggressive propensity was first scored with a mirror test and classified as high, medium or low. Thereafter we tested fish with either high or low aggressive propensity with partners matched for size and either matched or unmatched for aggressive type in a paired contest for a shelter. We scored dominance, aggression and submission. As predicted, (1) dominance was more clearly established in unmatched than in matched contests and (2) individuals with high aggressive propensity launched more attacks overall than fish with low intrinsic aggressiveness, suggesting a higher propensity to escalate independently of winning or losing the paired contest. However, contrary to expectation, (3) individuals with low aggressiveness grew faster than aggressive ones in unmatched groups, whereas the opposite occurred in matched groups. This suggests that individuals with low aggressive propensity may benefit from conflict evasion, which might allow them to gain dominance in the future owing to larger body size. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5319 |
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Newton-Fisher, N.E.; Lee, P.C. |
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Grooming reciprocity in wild male chimpanzees |
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2011 |
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Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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81 |
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2 |
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439-446 |
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altruism; biological market theory; Budongo; chimpanzee; grooming; Pan troglodytes |
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Understanding cooperation between unrelated individuals remains a central problem in animal behaviour; evolutionary mechanisms are debated, and the importance of reciprocity has been questioned. Biological market theory makes specific predictions about the occurrence of reciprocity in social groups; applied to the social grooming of mammals, it predicts reciprocity in the absence of other benefits for which grooming can be exchanged. Considerable effort has been made to test this grooming trade model in nonhuman primates; such studies show mixed results, but may be confounded by kin effects. We examined patterns of reciprocity within and across bouts, and tested predictions of the grooming trade model, among wild male chimpanzees, Pan troglodytes: a system with negligible kin effects. In accord with the model's expectations, we found that some grooming was directed by lower- to higher-ranked individuals, and that, on average, higher-ranked individuals groomed more reciprocally. We found no support, however, for a prediction that more reciprocity should occur between individuals close in rank. For most dyads, reciprocity of effort occurred through unbalanced participation in grooming bouts, but reciprocity varied considerably between dyads and only a small proportion showed strongly reciprocal grooming. Despite this, each male had at least one reciprocal grooming relationship. In bouts where both individuals groomed, effort was matched through mutual grooming, not alternating roles. Our results provide mixed support for the current grooming trade, biological market model, and suggest that it needs to incorporate risks of currency inflation and cheating for species where reciprocity can be achieved through repeated dyadic interactions. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5329 |
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Bode, N.W.F.; Wood, A.J.; Franks, D.W. |
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Title |
The impact of social networks on animal collective motion |
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Journal Article |
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2011 |
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Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
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82 |
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1 |
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29-38 |
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collective motion; group cohesion; group position; hierarchical dynamics; social network |
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Many group-living animals show social preferences for relatives, familiar conspecifics or individuals of similar attributes such as size, personality or sex. How such preferences could affect the collective motion of animal groups has been rather unexplored. We present a general model of collective animal motion that includes social connections as preferential reactions between individuals. Our conceptual examples illustrate the possible impact of underlying social networks on the collective motion of animals. Our approach shows that the structure of these networks could influence: (1) the cohesion of groups; (2) the spatial position of individuals within groups; and (3) the hierarchical dynamics within such groups. We argue that the position of individuals within a social network and the social network structure of populations could have important fitness implications for individual animals. Counterintuitive results from our conceptual examples show that social structures can result in unexpected group dynamics. This sharpens our understanding of the way in which collective movement can be interpreted as a result of social interactions. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5393 |
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Sanga, U.; Provenza, F.D.; Villalba, J.J. |
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Transmission of self-medicative behaviour from mother to offspring in sheep |
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Journal Article |
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2011 |
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Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
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82 |
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2 |
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219-227 |
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feeding; food selection; Ovis aries; polyethylene glycol; sheep; tannins |
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Herbivores challenged by diets with high concentrations of tannins learn by individual experience to self-select medicinal compounds such as polyethylene glycol (PEG), which neutralizes the negative postingestive effects of tannins. We investigated the transmission of this acquired self-medicative behaviour from mother to offspring. One group of ewes (experienced, N = 8) was conditioned to associate the beneficial effects of PEG after consuming a tannin-rich diet. Ewes ingested a meal of high-tannin food and were then offered PEG. Subsequently, ewes ingested the same tannin-rich meal and were then offered a food (grape pomace; control) that did not have the medicinal effects of PEG. After conditioning, the experienced group and a naïve group of ewes (N = 8) were given a choice between the high-tannin food, PEG and grape pomace. Experienced ewes showed higher intake and preference for PEG than did naïve ewes (P < 0.05). Subsequently, experienced and naïve ewes with their naïve lambs, as well as a group of naïve lambs without their mothers (N = 8), were exposed to the tannin-rich diet, PEG and grape pomace. Lambs were then tested for their ability to self-medicate with PEG by offering them a choice between the tannin-rich diet, PEG and grape pomace. Lambs from experienced and naïve mothers showed a higher preference for PEG than did lambs exposed without their mothers (P = 0.05). Thus, the presence of the mother (experienced or naïve) was important for naïve lambs to learn about the medicinal benefits of PEG. We conclude that the mother's presence per se may increase the efficiency of creating new knowledge, such as preference for a medicine, within a group, beyond transmitting and maintaining this knowledge across generations. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5406 |
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Neumann, C.; Duboscq, J.; Dubuc, C.; Ginting, A.; Irwan, A.M.; Agil, M.; Widdig, A.; Engelhardt, A. |
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Assessing dominance hierarchies: validation and advantages of progressive evaluation with Elo-rating |
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2011 |
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Animal Behaviour |
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82 |
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4 |
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911-921 |
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David’s score; dominance hierarchy; dominance rank; Elo-rating; hierarchy stability; I&Si; Macaca mulatta; Macaca nigra; methodology |
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0003-3472 |
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Equine Behaviour @ team @ |
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5677 |
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Author |
Young, H.P. |
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Title |
The dynamics of social innovation |
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Journal Article |
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2011 |
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Proceedings of the National Academy of Sciences |
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Proc. Natl. Acad. Sci. U.S.A. |
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108 |
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Supplement 4 |
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21285-21291 |
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10.1073/pnas.1100973108 |
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Equine Behaviour @ team @ |
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5940 |
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Gorodnichenko, Y.; Roland, G. |
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Individualism, innovation, and long-run growth |
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2011 |
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Proceedings of the National Academy of Sciences |
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Proc. Natl. Acad. Sci. U.S.A. |
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108 |
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Supplement 4 |
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21316-21319 |
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10.1073/pnas.1101933108 |
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Equine Behaviour @ team @ |
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5941 |
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Author |
Bugnyar, T. |
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Knower–guesser differentiation in ravens: others' viewpoints matter |
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2011 |
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Proceedings of the Royal Society B: Biological Sciences |
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Proc. Roy. Soc. Lond. B Biol. Sci. |
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278 |
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1705 |
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634-640 |
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Differentiating between individuals with different knowledge states is an important step in child development and has been considered as a hallmark in human evolution. Recently, primates and corvids have been reported to pass knower–guesser tasks, raising the possibility of mental attribution skills in non-human animals. Yet, it has been difficult to distinguish ‘mind-reading’ from behaviour-reading alternatives, specifically the use of behavioural cues and/or the application of associatively learned rules. Here, I show that ravens (Corvus corax) observing an experimenter hiding food are capable of predicting the behaviour of bystanders that had been visible at both, none or just one of two caching events. Manipulating the competitors' visual field independently of the view of the test-subject resulted in an instant drop in performance, whereas controls for behavioural cues had no such effect. These findings indicate that ravens not only remember whom they have seen at caching but also take into account that the other's view was blocked. Notably, it does not suffice for the birds to associate specific competitors with specific caches. These results support the idea that certain socio-ecological conditions may select for similar cognitive abilities in distantly related species and that some birds have evolved analogous precursors to a human theory-of-mind. |
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raven; Corvus corax; knowledge attribution; perspective; competitive food retrieval; caching |
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Equine Behaviour @ team @ |
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