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112.
A theoretical framework is offered to explain mood contagion processes in groups. Specifically, we describe and test a two-stage leader activation and member propagation (LAMP) model that starts with the activation of the contagion process by leaders (Stage 1), followed by the mutual propagation of the mood among members (Stage 2). Results from 102 self-managing groups provide support for the LAMP model. Group mood convergence was negatively related to attribute diversity (in extroversion and neuroticism) between the leader and group members (Stage 1) and among group members (Stage 2). In both stages, group members’ susceptibility to emotional contagion and interpersonal attraction had positive main effects on group mood convergence, and moderated the relationship between attribute diversity and mood convergence in groups. The findings offer new insights into group mood convergence, as it unfolds over time. 相似文献
113.
Russell P. Guay In‐Sue Oh Daejeong Choi Marie S. Mitchell Michael K. Mount Kanghyun Shin 《International Journal of Selection & Assessment》2013,21(2):233-238
While much is known about the effects of personality traits on performance, there is still limited empirical evidence that examines how personality traits may interact with each other to impact dimensions of performance. This study examined how conscientiousness and agreeableness interact to predict both task performance and organizational citizenship behavior using a sample of 113 bank employees in South Korea. The interaction between the two personality traits was significantly related to both dimensions of performance. 相似文献
114.
Jin Nam Choi 《创造力研究杂志》2013,25(2-3):187-199
Studies on creativity have identified critical individual and contextual variables that contribute to individuals' creative performance. However, the psychological mechanisms through which these factors influence creative performance have not yet been systematically investigated. This study explored potential psychological processes that mediate the effects of various individual and contextual variables on the creative performance of individuals. The results, based on longitudinal, multisource data, show that underlying psychological processes (creative self-efficacy and creativity intention) completely mediated the effect of individual (motivation, personality, ability) and contextual factors (social influences from leaders and peers) on creative performance. This study informs the literature of potential psychological mechanisms through which individual and contextual factors influence the creative performance of individuals. 相似文献
115.
Sun Hae Lee Young Ju Chun Hyejeong Chung Sun In Shin Insoo Lee Dong Sook Lee Youn Shil Choi 《Contemporary Family Therapy》2013,35(2):388-399
The authors present a brief overview of the family therapy field in South Korea. Since its introduction in the late 1970s, family therapy has been developing into a professional field with education and training institutions, practice settings, credentials, and practitioners holding memberships in various professional organizations. While such issues as family values and types, filial piety, violence, interethnic marriage, and social polarization have resulted in an increased demand for family therapy, such services are not readily accessible to Korean families in need. Efforts should be made in increasing number of competent family therapists by strengthening both academic and clinical requirements for credentialing. Efforts are also needed in increasing accessibility of family therapy services by making them more available within a variety of human service contexts. 相似文献
116.
Memory studies utilizing long-term repetition priming have generally demonstrated that priming is greater for low-frequency than for high-frequency words and that this effect persists if words intervene between the prime and the target. In contrast, word-recognition studies utilizing masked short-term repetition priming have typically shown that the magnitude of repetition priming does not differ as a function of word frequency and does not persist across intervening words. We conducted an eyetracking-while-reading experiment to determine which of these patterns more closely resembles the relationship between frequency and repetition during the natural reading of a text. Frequency was manipulated using proper names that were either high-frequency (e.g., Stephen) or low-frequency (e.g., Dominic). The critical name was later repeated in the sentence, or a new name was introduced. First-pass reading times and skipping rates on the critical name revealed robust repetition-by-frequency interactions, such that the magnitude of the repetition-priming effect was greater for low-frequency than for high-frequency names. In contrast, measures of later processing showed effects of repetition that did not depend on lexical frequency. These results are interpreted within a framework that conceptualizes eye-movement control as being influenced in different ways by lexical- and discourse-level factors. 相似文献
117.
The main purpose of this study was to investigate how receiving personal counseling at a university counseling center helps students deal with their personal problems and facilitates academic functioning. To that end, this study used both clinical and academic outcome measures that are relevant to the practice of counseling provided at a counseling center and its unique function in an institution of higher education. In addition, this study used the clinical significance methodology (N. S. Jacobson & P. Truax, 1991) that takes into account clients' differences in making clinically reliable and significant change. Pre-intake and post-termination surveys, including the Outcome Questionnaire (M. J. Lambert, K. Lunnen, V. Umphress, N. Hansen, & G. Burlingame, 1994), were completed by 78 clients, and the responses were analyzed using clinical significance methodology. The results revealed that those who made clinically reliable and significant change (i.e., the recovered group) reported the highest level of improvement in academic commitment to their educational goals and problem resolution, compared with those who did not make clinically significant change. The implications of the findings on practice for counseling at university counseling centers and for administrators in higher education institutions are discussed. 相似文献
118.
Bechtoldt MN De Dreu CK Nijstad BA Choi HS 《Journal of personality and social psychology》2010,99(4):622-637
The extent to which groups are creative has wide implications for their overall performance, including the quality of their problem solutions, judgments, and decisions. To further understanding of group creativity, we integrate the motivated information processing in groups model (De Dreu, Nijstad, & Van Knippenberg, 2008) with work on epistemic social tuning (Lunn, Sinclair, Whitchurch, & Glenn, 2007). Three propositions were advanced: (a) Groups produce more ideas when members have high rather than low epistemic motivation, especially when members also have a prosocial rather than pro-self motivation; (b) these ideas are more original, appropriate, or feasible when a group norm favors originality, appropriateness, or feasibility; and (c) originality is valued more in individualistic cultures (e.g., the Netherlands), whereas appropriateness is valued more in collectivist cultures (e.g., Korea). Four studies involving 3-person groups generating ideas supported these propositions: Epistemic motivation (mild vs. intense time pressure; presence vs. absence of process accountability) stimulated production and originality, especially when prosocial rather than pro-self motives were present and participants were Dutch or originality norms were experimentally primed. When appropriateness norms were primed or participants were Korean, epistemic motivation stimulated production and appropriateness, especially when prosocial rather than pro-self motives were present. We discuss implications for research on group processes and for work on culture and creativity. 相似文献
119.
This study examined the effects of self-esteem as a mediator of the relationship between instrumentality, gender role conflict and depression in 464 Korean high school boys using structural equation modeling. The primary findings were: (a) instrumentality did not directly influence depression, but indirectly did so through the mediational variable of self-esteem, and (b) gender role conflict demonstrated direct and indirect effects on depression through the mediational variable of self-esteem. These results are consistent with the previous findings conducted in the U.S. and support applying these findings to different culture contexts. Implications of these findings for counseling practice with male adolescents and for future research are discussed. 相似文献
120.
June-Seek Choi Christopher K. Cain Joseph E. LeDoux 《Learning & memory (Cold Spring Harbor, N.Y.)》2010,17(3):139-147
Using a two-way signaled active avoidance (2-AA) learning procedure, where rats were trained in a shuttle box to avoid a footshock signaled by an auditory stimulus, we tested the contributions of the lateral (LA), basal (B), and central (CE) nuclei of the amygdala to the expression of instrumental active avoidance conditioned responses (CRs). Discrete or combined lesions of the LA and B, performed after the rats had reached an asymptotic level of avoidance performance, produced deficits in the CR, whereas CE lesions had minimal effect. Fiber-sparing excitotoxic lesions of the LA/B produced by infusions of N-methyl-d-aspartate (NMDA) also impaired avoidance performance, confirming that neurons in the LA/B are involved in mediating avoidance CRs. In a final series of experiments, bilateral electrolytic lesions of the CE were performed on a subgroup of animals that failed to acquire the avoidance CR after 3 d of training. CE lesions led to an immediate rescue of avoidance learning, suggesting that activity in CE was inhibiting the instrumental CR. Taken together, these results indicate that the LA and B are essential for the performance of a 2-AA response. The CE is not required, and may in fact constrain the instrumental avoidance response by mediating the generation of competing Pavlovian responses, such as freezing.Early studies of the neural basis of fear often employed avoidance conditioning procedures where fear was assessed by measuring instrumental responses that reduced exposure to aversive stimuli (e.g., Weiskrantz 1956; Goddard 1964; Sarter and Markowitsch 1985; Gabriel and Sparenborg 1986). Despite much research, studies of avoidance failed to yield a coherent view of the brain mechanisms of fear. In some studies, a region such as the amygdala would be found to be essential and in other studies would not. In contrast, rapid progress in understanding the neural basis of fear and fear learning was made when researchers turned to the use of Pavlovian fear conditioning (Kapp et al. 1984, 1992; LeDoux et al. 1984; Davis 1992; LeDoux 1992; Cain and Ledoux 2008a). It is now well established from such studies that specific nuclei and subnuclei of the amygdala are essential for the acquisition and storage of Pavlovian associative memories about threatening situations (LeDoux 2000; Fanselow and Gale 2003; Maren 2003; Maren and Quirk 2004; Schafe et al. 2005; Davis 2006).Several factors probably contributed to the fact that Pavlovian conditioning succeeded where avoidance conditioning struggled. First, avoidance conditioning has long been viewed as a two-stage learning process (Mowrer and Lamoreaux 1946; Miller 1948b; McAllister and McAllister 1971; Levis 1989; Cain and LeDoux 2008b). In avoidance learning, the subject initially undergoes Pavlovian conditioning and forms an association between the shock and cues in the apparatus. The shock is an unconditioned stimulus (US) and the cues are conditioned stimuli (CS). Subsequently, the subject learns the instrumental response to avoid the shock. Further, the “fear” aroused by the presence of the CS motivates learning of the instrumental response. Fear reduction associated with successful avoidance has even been proposed to be the event that reinforces avoidance learning (e.g., Miller 1948b; McAllister and McAllister 1971; Cain and LeDoux 2007). Given that Pavlovian conditioning is the initial stage of avoidance conditioning, as well as the source of the “fear” in this paradigm, it would be more constructive to study the brain mechanisms of fear through studies of Pavlovian conditioning rather than through paradigms where Pavlovian and instrumental conditioning are intermixed. Second, avoidance conditioning was studied in a variety of ways, but it was not as well appreciated at the time as it is today; that subtle differences in the way tasks are structured can have dramatic effects on the brain mechanisms required to perform the task. There was also less of an appreciation for the detailed organization of circuits in areas such as the amygdala. Thus, some avoidance studies examined the effects of removal of the entire amygdala or multiple subdivisions (for review, see Sarter and Markowitsch 1985). Finally, fear conditioning studies typically involved a discrete CS, usually a tone, which could be tracked from sensory processing areas of the auditory system to specific amygdala nuclei that process the CS, form the CS–US association, and control the expression of defense responses mediated by specific motor outputs. In contrast, studies of avoidance conditioning often involved diffuse cues, and the instrumental responses used to indirectly measure fear were complex and not easily mapped onto neural circuits.Despite the lack of progress in understanding the neural basis of avoidance responses, this behavioral paradigm has clinical relevance. For example, avoidance behaviors provide an effective means of dealing with fear in anticipation of a harmful event. When information is successfully used to avoid harm, not only is the harmful event prevented, but also the fear arousal, anxiety, and stress associated with such events; (Solomon and Wynne 1954; Kamin et al. 1963). Because avoidance is such a successful strategy to cope with danger, it is used extensively by patients with fear-related disorders to reduce their exposure to fear- or anxiety-provoking situations. Pathological avoidance is, in fact, a hallmark of anxiety disorders: In avoiding fear and anxiety, patients often fail to perform normal daily activities (Mineka and Zinbarg 2006).We are revisiting the circuits of avoidance conditioning from the perspective of having detailed knowledge of the circuit of the first stage of avoidance, Pavlovian conditioning. To most effectively take advantage of Pavlovian conditioning findings, we have designed an avoidance task that uses a tone and a shock. Rats were trained to shuttle back and forth in a runway in order to avoid shock under the direction of a tone. That is, the subjects could avoid a shock if they performed a shuttle response when the tone was on, but received a shock if they stayed in the same place (two-way signaled active avoidance, 2-AA). While the amygdala has been implicated in 2-AA (for review, see Sarter and Markowitsch 1985), the exact amygdala nuclei and their interrelation in a circuit are poorly understood.We focused on the role of amygdala areas that have been studied extensively in fear conditioning: the lateral (LA), basal (B), and central (CE) nuclei. The LA is widely thought to be the locus of plasticity and storage of the CS–US association, and is an essential part of the fear conditioning circuitry. The basal amygdala, which receives inputs from the LA (Pitkänen 2000), is not normally required for the acquisition and expression of fear conditioning (Amorapanth et al. 2000; Nader et al. 2001), although it may contribute under some circumstances (Goosens and Maren 2001; Anglada-Figueroa and Quirk 2005). The B is also required for the use of the CS in the motivation and reinforcement of responses in other aversive instrumental tasks (Killcross et al. 1997; Amorapanth et al. 2000). The CE, through connections to hypothalamic and brainstem areas (Pitkänen 2000), is required for the expression of Pavlovian fear responses (Kapp et al. 1979, 1992; LeDoux et al. 1988; Hitchcock and Davis 1991) but not for the motivation or reinforcement of aversive instrumental responses (Amorapanth et al. 2000; LeDoux et al. 2009). We thus hypothesized that damage to the LA or B, but not to the CE, would interfere with the performance of signaled active avoidance. 相似文献