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We extend leadership research by examining the effect of an instructor's transformational leadership on university students. 120 undergraduate students provided ratings for their instructors on Charisma, Intellectual Stimulation, and Individual Consideration as well as the Instructors' Performance and the Students' Involvement in class. Multiple regression analyses indicated that Intellectual Stimulation and Charisma together accounted for 66.3% of the variance in the prediction of Instructor's Performance ratings. In turn, Intellectual Stimulation and Individual Consideration combined to account for 55.1% of the variance in predicting Student Involvement.  相似文献   

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Current knowledge on the neuronal substrates of Pavlovian conditioning in animals and man is briefly reviewed. First, work on conditioning in aplysia, that has showed amplified pre-synaptic facilitation as the basic mechanism of associative learning, is summarized. Then, two exemplars of associative learning in vertebrates, fear conditioning in rodents and eyelid conditioning in rabbits, are described and research into its neuronal substrates discussed. Research showing the role of the amygdala in fear conditioning and of the cerebellum in eyelid conditioning is reviewed, both at the circuit and cellular plasticity levels. Special attention is given to the parallelism suggested by this research between the neuronal mechanisms of conditioning and the principles of formal learning theory. Finally, recent evidence showing a similar role of the amygdala and of the cerebellum in human Pavlovian conditioning is discussed.  相似文献   

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The study included assessment of the psychometric properties of an 11-item measure of perceived stress and control in 273 first-year college students. Results indicated good internal consistency and stability over a 5-week interval, and the total score was highly correlated with another measure of perceived stress. Principal components analysis with varimax rotation indicated two possible factors which explained 55% of the variance. However, given the small number of items and low internal consistency of the second factor (alpha=.60), use of the Total score is recommended.  相似文献   

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This paper reviews those research studies which have investigated suicidal behaviour in the context of the family. It is proposed that in families a subculture of distress management develops not from random deviations but from familial and cultural expectations of how distress can be managed. A number of factors are presented indicating suicide potential:
  • a pattern of marked hostility,

  • a pattern of role disturbance and role failure,

  • a process of escalation when developmental crises occur in the management of family life-cycle transitions,

  • a symbiotic attachment between partners which tolerates no autonomy,

  • an intolerance of crisis,

  • a relationship between the management of crises, family conflict and family organization,

  • suicidal behaviour as a pattern of communication.


A family tradition of crisis management by symptoms and the presence of intra-familial conflict are seen as critical variables.  相似文献   

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Imaginary audience and personal fable: a brief review   总被引:1,自引:0,他引:1  
J M Buis  D N Thompson 《Adolescence》1989,24(96):773-781
A review of the literature was conducted on two aspects of adolescent egocentrism: the imaginary audience and the personal fable. Results yielded contradictory findings in most areas of the research. Reasons for these contradictions are explored and suggestions for future research presented.  相似文献   

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Solution-focused brief therapy: a review of the outcome research   总被引:17,自引:0,他引:17  
Solution-focused brief therapy (SFBT) is a new and increasingly used therapeutic approach that focuses on helping clients construct solutions rather than solve problems. The approach evolved in a clinical context amid many anecdotal reports of success from both therapists and clients, but it has not been subjected to controlled empirical testing until very recently. In this article we critically review all of the controlled outcome studies of SFBT to date (N = 15) to assess the extent to which SFBT has received empirical support. Five studies were well-controlled and all showed positive outcomes--four found SFBT to be better than no treatment or standard institutional services, and one found SFBT to be comparable to a known intervention: Interpersonal Psychotherapy for Depression (IPT). Findings from the remaining 10 studies, which we consider moderately or poorly controlled, were consistent with a hypothesis of SFBT effectiveness. We conclude that the 15 studies provide preliminary support for the efficacy of SFBT but do not permit a definitive conclusion. Our critique highlights areas where methodology in future studies can be strengthened to provide more conclusive evidence of SFBT efficacy.  相似文献   

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The American Academy of Pediatrics (2016a) has made several recommendations regarding the safe positioning of infants by caregivers, including placing infants in a supine position for sleep and in prone for supervised periods of tummy time. However, caregivers may have difficulty adhering with these recommendations. A small, but growing, number of behavior analytic studies have examined these infant safety recommendations and strategies for increasing adherence. This review describes behavior analytic research on infant positioning and provides suggestions for future research.  相似文献   

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While it can reasonable be said that parents have been the leaders in infant mental health research for much longer, the literature traces our beginnings only to the early decades of this century. Early work focused on the astonishing developmental changes in infants deprived of maternal contact during hospitalization, and early questions arose about the possibility of lifelong psychological disorder resulting from such early deprivation. Later research demonstrated that even though the infants are clearly vulnerable, they are also active and very much a reciprocating part of the attachment process. Most recently we have learned to understand caregiver-infant interaction as a display of both the joys and the conflicts in relationship, and methods of intervention are slowly evolving.  相似文献   

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This study examined longitudinally correlates of mothers' ratings of their infant's temperament and of the infant-mother attachment relationship. Measures included Carey's Revised Infant Temperament Questionnaire, child-rearing attitudes, psychophysiological responses to an unfamiliar infant's crying pre- and postdelivery, psychophysiological responses to the mother's own infant's crying, and assessments of infant-mother attachment. The results indicated that maternal ratings of infant temperament at 4 months were significantly related not only to concurrent cry responsiveness but also to cry responsiveness and child-rearing attitudes predelivery, as well as to the quality of attachment at 1 year. It is suggested that a differential response pattern of mothers of “easy” and of “difficult” infants, which affects the developing infant-mother bond, may in part originate in maternal dispositions existing prior to parenthood.  相似文献   

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This review paper integrates recent structural and functional imaging, postmortem, animal lesion, and neurochemical research about the pathophysiology of autism. An understanding of the neurobiological correlates of autism is becoming increasingly important as more children are diagnosed with the condition and funding for well-targeted interventions increases. Converging evidence suggests that autism involves abnormalities in brain volume, neurotransmitter systems, and neuronal growth. In addition, evidence firmly links autism with abnormalities in the cerebellum, the medial temporal lobe, and the frontal lobe. Potential implications of these findings and suggestions for future research are reviewed.  相似文献   

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Forty-two Ss were selected as if they were to participate in an analogue desensitization experiment. They then listened to taped excerpts of desensitization and pseudotherapy and responded to a questionnaire assessing the relative credibility of the two treatments. Desensitization was found to be more credible than pseudotherapy. The implications of this finding for previous and future research are discussed.  相似文献   

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Behar and Stringfield (1974) have suggested that the Preschool Behavior Questionnaire (PBQ) is a reliable index of young children's social competence. However, there are few extant data in which teacher ratings of children on the PBQ have been correlated with independent assessments of social competence. In this study PBQ ratings of 123 preschoolers were correlated with observations of in-class social and cognitive play behaviors, sociometric status, and social problem-solving skills. Analyses indicated that children rated highly on the PBQ's Anxious-Fearful, Hostile-Aggressive, and Hyperactive-Distractible factors (a) displayed less mature and more aggressive in-class behaviors, (b) were less popular among their peers, and (c) were more likely to suggest negative affect strategies on the social problem-solving measure. Thus, the PBQ appears to be a useful instrument for identifying children with social problems.  相似文献   

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A brief history of the background of drug discrimination research is given, focusing on the concepts of "drug dissociation" or state-dependent learning; an alternative explanation to the state dependency concept is to view the drug as a discriminative stimulus. In drug discrimination learning both a qualitative and a quantitative dimension is identified as governing the discrimination, examples of which are provided in the text. Examples of how drug discrimination techniques may assist in future research are outlined.  相似文献   

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