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1.
Robert A. Caldwell G. Anne Bogat William S. Davidson II 《American journal of community psychology》1988,16(5):609-624
A frequently advocated strategy for increasing the efficiency of child abuse prevention programs is to deliver prevention services to "high-risk" populations. This article critically reviews procedures for the reliable and valid assessment of child abuse potential within an ecological perspective. Factors that limit the usefulness of child abuse risk assessment are discussed. These factors include the uncertain criteria of child abuse and neglect, the low base rate of the phenomenon, and the financial and social costs of such procedures. Finally, the prevention implications of the current and future state of the art in child abuse risk assessment are considered and preventive interventions that do not depend on individual case risk screening are advocated. 相似文献
2.
Kean Donna Renner Elizabeth Atkinson Mark Caldwell Christine A. 《Animal cognition》2023,26(2):435-450
Animal Cognition - The limited evidence of complex culture in non-human primates contrasts strikingly with human behaviour. This may be because non-human primates fail to use information acquired... 相似文献
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The hippocampus, which is critically involved in learning and memory processes, is known to be a target for the neuromodulatory actions of steroid hormones produced by the adrenal glands and gonads. Much of the work of B.S. McEwen and collaborators has focused on the role of glucocorticosteroids and estrogen in modulating hippocampal plasticity and functions. In addition to hormones derived from the endocrine glands, cells in the hippocampus may be exposed to locally synthesized neurosteroids, including pregnenolone, dehydroepiandrosterone and their sulfated esters as well as progesterone and its reduced metabolites. In contrast to hormones derived from the circulation, neurosteroids have paracrine and/or autocrine activities. In the hippocampus, they have been shown to have trophic effects on neurons and glial cells and to modulate the activity of a variety of neurotransmitter receptors and ion channels, including type A gamma-aminobutyric acid, N-methyl-D-aspartate and sigma receptors and N- and L-type Ca2+ channels. There is accumulating evidence that some neurosteroids, in particular pregnenolone sulfate, have strong influences on learning and memory processes, most likely by regulating neurotransmission in the hippocampus. However, the hippocampus is not the only target for the mnesic effects of neurosteroids. Associated brain regions, the basal nuclei of the forebrain and the amygdaloid complex, are also involved. Some neurosteroids may thus be beneficial for treating age- or disease-related cognitive impairments. 相似文献
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Nicola K. Caldwell B.S. Mark Wolery Ph.D. Margaret G. Werts Ed.S. Yvonne Caldwell M.S. 《Journal of Behavioral Education》1996,6(4):459-480
The effects of embedding a constant time delay procedure into an independent seat work activity and using instructive feedback were evaluated in this study. Seven students with mild disabilities participated in the study that occurred in their special education classroom. A multiple probe design across sets of target behaviors was used, and students' responses to instructive feedback stimuli were evaluated during each probe condition. The procedures were implemented with a high degree of fidelity, and the results indicate that (a) the students acquired the target behaviors taught with the constant time delay procedure that was embedded into independent seat work, and (b) the students acquired some but not all of the responses to the instructive feedback stimuli. These findings are discussed in terms of using instructive feedback in classrooms and future research on instructive feedback. 相似文献
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Robert A. Caldwell 《American journal of community psychology》1991,19(6):847-851
Argued that Pillow et al. (1991) may have overestimated the benefits of mediational screening and underestimated the costs involved in the procedure. The three benefits they suggest: increased statistical power to detect prevention effects, increased cost-effectiveness, and decreased iatrogenic effects are shown to be modest at best. Costs associated with misclassifying people as either false positives or false negatives are considered in the total cost/benefit analysis of mediational screening. Because we cannot accurately predict who will react to the occurrence of life stress by developing the conditions we are interested in preventing, universal interventions are advocated. 相似文献
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Zimmerman MA Tuttle L Kieffer E Parker E Caldwell CH Maton KI 《American journal of community psychology》2001,29(5):799-805
This is a study of psychosocial outcomes of adolescents born to teenage mothers. Adolescents' problem behaviors, psychological well-being, social support, school variables, and sexual behaviors are compared across three groups—those born to mothers 17 or younger, mothers 18–19 years old, and mothers 20 or older. Analyses from two samples of African American adolescents from Maryland (n = 205) and Michigan (n = 570) are reported. The results from both samples indicate that mother's age at birth is unrelated to adolescents' psychosocial outcomes. These two studies add to the limited number of analyses that examine adolescent outcomes for children of teen mothers. The results suggest that efforts to understand social structural determinants of healthy and problematic adolescent development may be more informative than examining the effects of mother's age. They also suggest that teen pregnancy prevention programs may be more effective if they are part of a larger prevention strategy that incorporates social structural change efforts and not only a focus on individual level change. 相似文献
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Caldwell AB 《Journal of personality assessment》2001,76(1):1-17
I consider the question of whether all psychopathological behaviors can, on an evolutionary foundation, be considered as positive adaptations. I proposed that higher functions can be differentiated from their associated emotional modulations at simultaneous subjective, behavioral, and neural levels and that organizing analyses in this way will enable us to fill in our understanding of both the effects and relief of traumatic experiences. I then present each of the 8 clinical scales of the MMPI (Hathaway & McKinley, 1943) as a dimension of positive adaptation with simultaneous cognitive-emotional, operant-classical, and neocortical-limbic elements. A variety of life-experience paradigms are then offered to explain the factors that operate to increase MMPI scale elevations as well as countermeasures that can operate to reduce such elevations. Understanding all such behaviors as adaptive leads to a notable enhancement of empathy. 相似文献