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141.
We examined a procedure consisting of a preference assessment, prompting, contrived conditioned establishing operations, and consequences for correct and incorrect responses for teaching children with autism to mand “which?” We used a modified multiple baseline design across 3 participants. All the children learned to mand “which?” Generalization occurred to the natural environment, to a novel activity, and to a novel container; the results were maintained over time.Key words: mand for information, verbal behavior, verbal operant, whichContrived motivating operations have been used to teach mands for information to children with autism, including the mands “what?” (e.g., Williams, Donley, & Keller, 2000), “where?” (e.g., Betz, Higbee, & Pollard, 2010; Lechago, Carr, Grow, Love, & Almason, 2010), and “who?” (e.g., Endicott & Higbee, 2007; Sundberg, Loeb, Hale, & Eigenheer, 2002). More recently, researchers have examined the effects of contriving establishing operations (CEOs) in four different ways to teach children with autism to acquire the mands “what?” (Marion, Martin, Yu, & Buhler, 2011; Roy-Wsiaki, Marion, Martin, & Yu, 2010) and “where?” (Marion, Martin, Yu, Buhler, & Kerr, in press). Like the mands “what?” and “where?,” the mand “which?” is a mand for information that gives the speaker the ability to gather specific information regarding an item (e.g., “Which book is mine?”). Given the dearth of research that has examined interventions to teach mands for information using “which?,” the purpose of the present study was to extend the work of Marion et al. (2011, in press) by contriving one of four CEOs for teaching the mand “which?” to children with autism, and to assess for generalization to the other CEOs, the natural environment, and over time.  相似文献   
142.
This study sought to identify and describe comfortable and uncomfortable body-related situations of young women, as well as describe their responses to such situations and strategies they used to cope with body-related threats, using Social Self-Preservation Theory (SSPT) as a guiding framework. Interviews were conducted with college women (N = 23). A theoretical thematic analysis approach was taken to identify, code, and report themes. In general, participants found it difficult to identify specific comfortable situations and responses in those situations. Comfortable situations were characterized by the presence of supportive others and feelings of general calmness and lowered body awareness or self-presentational concerns. Findings regarding uncomfortable body-related situations indicated that the context (e.g., presence of others, body exposure), responses (e.g., embarrassment, inadequacy, awareness of others’ evaluations, faster heart rate), and coping strategies (e.g., avoidance, concealing behaviors) described by participants were consistent with SSPT.  相似文献   
143.
Concurrent tasks, such as articulatory suppression and manual tapping, are used to understand the mechanisms underlying short-term memory by overloading domain-specific resources. The present study addresses the debate regarding the theoretical frameworks accounting for interference in serial recall by comparing the effects of both the modality of concurrent tasks (verbal vs. spatial) as well as the state of the tasks (steady vs. changing) in both verbal and spatial recall. The findings indicate that the verbal changing-state concurrent task significantly impaired digit recall, whereas the spatial changing-state concurrent task significantly impaired block recall. The theoretical implications are discussed in the context of a multimodal working memory model with domain-specific resources and a unitary approach to short-term memory.  相似文献   
144.
The purpose of this study was to explore parents’ reflections on their child's experiences of emotionally abusive coaching practices. Semi-structured interviews were conducted with 16 parents of retired elite athletes, and data were coded using open, axial, and selective coding techniques. Parents’ reflections indicated a process of accepting disconcerting coaching practices across their child's athletic career. Findings are interpreted to suggest that parents are socialized into the culture of elite sport and can become silent bystanders to their children's experiences of emotional abuse. Implications for athlete protection are discussed.  相似文献   
145.
Abstract

The focus of this review is physical exercise and its possible effectiveness as a means of reducing anxiety. This review is based on English language literature and covers the time period from 1958 to 1988. It provides an overview of the results of research studies carried out in the area of physical fitness and psychological health, more specifically anxiety. In doing so, it draws attention to methodological limitations associated with a number of these research studies. In addition, it describes the level of exercise considered necessary to achieve improved cardio-respiratory fitness (training effect). Conclusions are made which suggest mild support for the positive effect of exercise with some individuals for reducing anxiety. Some speculative explanations as to why exercise may be effective in reducing levels of state anxiety are discussed.  相似文献   
146.
147.
Research clearly demonstrates that parents pass risk for depression and antisocial behavior on to their children. However, most research confounds genetic and environmental mechanisms by studying genetically related individuals. Furthermore, most studies focus on either depression or antisocial behavior in parents or children, despite evidence of co-occurrence and shared etiology, and few consider the early origins of these problems in childhood. We estimated the influence of biological and adoptive mothers’ depression and antisocial behavior on growth in child externalizing and internalizing behaviors across early childhood using data from a prospective adoption study. Participants were 346 matched triads of physically healthy children (196 boys; 150 girls), biological mothers (BM), and adoptive mothers (AM). Latent growth curve models were estimated using AM reports of child internalizing and externalizing behaviors at ages 18, 27, and 54 months. Predictors of intercept (18 months) but not slope were identified. BM lifetime histories of major depressive disorder predicted child externalizing behaviors and BM antisocial behavior predicted child internalizing behavior. AM depressive symptoms and antisocial behavior were associated with both child outcomes. AM paths, but not BM paths were partially replicated using adopted fathers’ reports of child outcomes. BM obstetric complications, prenatal depressive symptoms, and postnatal adoptive family contact with BM did not account for BM paths. This adoption study distinguished risks conferred by biological mothers’ depression and antisocial behavior to children’s behaviors from those associated with adoptive mothers’ related symptoms. Future studies should examine gene-environment interplay to explain the emergence of serious problem trajectories in later childhood.  相似文献   
148.
Sexual homicides attract a great deal of attention from the media and the scientific community. Yet, despite this interest, there is no universally accepted definition of the term. This paper explores this issue and looks closely at the motivation behind these offenses. In particular, it explores the role of pathology, anger, and sadistic sexual fantasy. It also explores whether sexual homicide is distinct from other forms of sexual violence, or whether it is better explained as an extreme variant of sexual assault.  相似文献   
149.
Development of "hot" executive function: the children's gambling task   总被引:14,自引:0,他引:14  
Development of affective decision-making was studied in 48 children at two ages (3 and 4 years) using a simplified version of the Iowa Gambling Task (). On each of 50 trials, children chose from 1 of 2 decks of cards that, when turned, displayed happy and sad faces, corresponding to rewards (candies) won and lost, respectively. Cards in 1 deck offered more rewards per trial, but were disadvantageous across trials due to occasional large losses; cards in the other deck offered fewer rewards per trial, but were advantageous overall. On later trials, 4-year-olds made more advantageous choices than 3-year-olds, and 4-year-olds made more advantageous choices than would be expected by chance, whereas 3-year-olds made more disadvantageous choices than would be expected by chance. These findings, which were especially pronounced for girls, indicate that affective decision-making develops rapidly during the preschool period, possibly reflecting the growth of neural systems involving orbitofrontal cortex.  相似文献   
150.
O. K?hler (1926, 1927) found that less able performers tried harder as team members under conjunctive task demands (Kohler motivation gain effect) and that the greatest gain occurred with moderately discrepant coworker abilities (K?hler discrepancy effect). Recent investigations have reproduced K?hler's overall motivation gain but not the discrepancy effect. The present research examined whether workers' foreknowledge of task abilities--present in Kohler's research, absent in contemporary studies--moderates the discrepancy effect. Participants worked alone or in 2-person teams under conjunctive task demands. Experiment 1 manipulated foreknowledge of ability. Experiment 2 manipulated discrepancy: a (confederate) teammate performed slightly, moderately, or substantially better. Both experiments found (a) overall motivation gains and (b) discrepancy moderation under foreknowledge conditions. Implications for understanding group motivation gains are discussed.  相似文献   
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