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1.
Two experiments attempted to establish vicious-circle behavior through fear motivation combined with secondary punishment. In Experiment 1, rats were trained with two CSs, a tone and a buzzer, paired with shock in different contexts. Secondary punishment based on delay and trace conditioning procedures facilitated running in fear-motivated rats, relative to four control groups. In Experiment 2, rats were given pairings of a tone CS with shock, and a buzzer CS with a drop into a water tank. Fear-motivated rats which received secondary punishment during either 33% or 100% of test trials exhibited self-punitive running relative to a nonpunished (0%) group and a backward-conditioning control group. Results indicate that “all secondary” vicious-circle behavior can be established through Pavlovian conditioning, thus supporting a conditioned fear interpretation. 相似文献
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Leon IG 《Child development》2002,73(2):652-663
The American definition of kinship based on biological ties, the practice of closed adoption, and stigmas associated with adoption may decisively influence adoption-related losses. Cross-cultural and historical accounts of adoption that do not apply to these contemporary American constructs of parenthood and practices of adoption suggest outcomes that are not as integrally based on loss. Adoption in infancy is defined as parenting a child with one set of (adoptive) parents and two (adoptive and birth) families. Implications for adoption research, policy, and practice are discussed. 相似文献
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Barrie Irving 《Pastoral Care in Education》2013,31(3):8-11
Gerard Egan describes the shadow side of management as all the important activities and arrangements that do not get identified, discussed and managed. John Sullivan argues that the image of ‘shadows’ is relevant to understanding some features of schools. The leadership role of heads is related to gaps between mission and practice and the ‘shadow’ side of organizations. Emphasis on mission could lead to the imposition of ethos. If heads are to avoid slipping into manipulation, it is suggested that they might usefully retrieve some insights from Aristotle, especially with regard to the art of rhetoric. 相似文献
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Irving Langmuir 《Journal of The Franklin Institute》1915,180(4):490-492
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