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The relative reinforcing value of toys was assessed in the absence of, and immediately following, participant observation of a peer manipulating one of the toys. Preference assessments were used to identify preference hierarchies. Reinforcer assessments were conducted with a high-preference item, a low-preference item, and a control. Each participant allocated responding toward the high-preference item during baseline. When reinforcer assessment sessions were preceded by a peer observation period, 3 of the 4 participants shifted allocation to the toy manipulated by the peer. The 4th participant shifted allocation only when the high-preference stimulus was replaced with a medium-preference stimulus. These data suggest that, among preschoolers, response allocation is influenced by observations of peers playing. 相似文献
73.
Recent studies on nonsymbolic arithmetic have illustrated that under conditions that prevent exact calculation, adults display a systematic tendency to overestimate the answers to addition problems and underestimate the answers to subtraction problems. It has been suggested that this operational momentum results from exposure to a culture-specific practice of representing numbers spatially; alternatively, the mind may represent numbers in spatial terms from early in development. In the current study, we asked whether operational momentum is present during infancy, prior to exposure to culture-specific representations of numbers. Infants (9-month-olds) were shown videos of events involving the addition or subtraction of objects with three different types of outcomes: numerically correct, too large, and too small. Infants looked significantly longer only at those incorrect outcomes that violated the momentum of the arithmetic operation (i.e., at too-large outcomes in subtraction events and too-small outcomes in addition events). The presence of operational momentum during infancy indicates developmental continuity in the underlying mechanisms used when operating over numerical representations. 相似文献
74.
F. Charles Mace Kevin L. Prager Karen Thomas Jane Kochy Tim J. Dyer Lora Perry Duncan Pritchard 《Journal of applied behavior analysis》2009,42(1):177-183
We evaluated the evocative effects of four conditions (high‐ and low‐preference activities, low and divided attention) and stimulant medication on the behavior of a 16‐year‐old boy with attention deficit hyperactivity disorder and moderate mental retardation. All behavior (activity engagement, activity changes, inappropriate touching, rude behaviors, and physical aggression) improved with stimulant medication in most conditions, but undesirable behaviors were not reduced to acceptable levels in all conditions. This finding suggests that stimulant medication may be a valuable adjunct to function‐based interventions. 相似文献
75.
This study examined strategies designed to increase the rate of targeted, low-probability mands in a concurrent operant environment. We examined the effects of schedule manipulations, prompt manipulations, motivating operation manipulations, and combined behavioral process manipulations. Increases in target mands were produced for all 8 participants. Schedule manipulations were effective in producing increased rates of targeted mands for 3 of 8 participants, whereas prompt manipulations were effective for 4 of 8 participants. Motivating operation manipulations were effective in producing increased rates of targeted mands for 2 of 8 participants and combined behavioral process manipulations were effective for the single participant exposed to the combination. 相似文献
76.
David L. Rennie 《Counselling and Psychotherapy Research》2001,1(2):82-89
Clients' recollections of their experiences of counselling and psychotherapy were stimulated using the technique of Interpersonal Process Recall. Their reports were analysed in terms of the grounded theory method of qualitative research. The analysis resulted in the interpretation that the core category of their experience is clients' reflexivity, or self‐awareness and agency flowing from it and returning to it. The focus of this paper is directed at the client's reflexivity in response to the counsellor's operations. Its organizing theme is that how clients respond to counsellors' operations depends on what clients desire and what they feel they can say safely. Particular desires arise from an over‐arching desire either to enter into or avoid inner experience. Moreover, the relation with self is influenced by the relationship with the therapist. This complexity makes it difficult to predict responses to non‐directive and directive counsellor performances alike. Vignettes selected from the participants' reports illustrate the theme. Implications for the practice of counselling and psychotherapy are discussed. 相似文献
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Lechago SA Carr JE Grow LL Love JR Almason SM 《Journal of applied behavior analysis》2010,43(3):381-395
The current study extends the literature on teaching mands for information by assessing whether mands generalize across different establishing operations (EOs). Three children with autism were taught to perform multiple behavior chains, 3 of which included a common response (e.g., “Where is the spoon?”) used for different purposes. An interrupted-behavior-chain procedure was used to contrive the EO for each mand. After teaching a mand for information under 1 EO, the remaining chains were interrupted to determine whether the mand had generalized to different EOs. For all participants, mands for information generalized across EOs. For 2 participants, a new mand-for-information topography emerged after training. 相似文献
79.
针对临床上存在的手术前患者本人签字有违人文关怀,提出对病人的主体地位和自由权的尊重体现了人文关怀的本质;必要时病人权利让渡也是尊重病人的表现,在临床上具有可取性;医患沟通的目的是为了促进病人的健康和幸福。 相似文献
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