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61.
62.
Positive- and negative-reinforcement-based procedures typically have targeted acceptance for children with severe food refusal; however, these procedures do not always result in successful swallowing. Once acceptance is achieved, some children expel the food repeatedly or pack (hold or pocket) it in their mouths for extended periods of time. This study evaluated the effects of using food redistribution with a bristled massaging toothbrush to reduce packing and increase consumption in 4 children with severe feeding disorders. Packing was reduced for all children. In addition, latency to clean mouth (the duration of time from acceptance to food no longer being present in the child's mouth in the absence of expulsion) for 2 children decreased when the food-redistribution procedure was used. Results are discussed in terms of the potential operant functions of the food-redistribution procedure. 相似文献
63.
The current study describes an assessment sequence that may be used to identify individualized, effective, and preferred interventions for severe problem behavior in lieu of relying on a restricted set of treatment options that are assumed to be in the best interest of consumers. The relative effectiveness of functional communication training (FCT) with and without a punishment component was evaluated with 2 children for whom functional analyses demonstrated behavioral maintenance via social positive reinforcement. The results showed that FCT plus punishment was more effective than FCT in reducing problem behavior. Subsequently, participants' relative preference for each treatment was evaluated in a concurrent-chains arrangement, and both participants demonstrated a dear preference for FCT with punishment. These findings suggest that the treatment-selection process may be guided by person-centered and evidence-based values. 相似文献
64.
Piazza CC Patel MR Gulotta CS Sevin BM Layer SA 《Journal of applied behavior analysis》2003,36(3):309-324
We compared the effects of positive reinforcement alone, escape extinction alone, and positive reinforcement with escape extinction in the treatment of the food and fluid refusal of 4 children who had been diagnosed with a pediatric feeding disorder. Consumption did not increase when positive reinforcement was implemented alone. By contrast, consumption increased for all participants when escape extinction was implemented, independent of the presence or absence of positive reinforcement. However, the addition of positive reinforcement to escape extinction was associated with beneficial effects (e.g., greater decreases in negative vocalizations and inappropriate behavior) for some participants. 相似文献
65.
An evaluation of the properties of attention as reinforcement for destructive and appropriate behavior 总被引:1,自引:0,他引:1
Piazza CC Bowman LG Contrucci SA Delia MD Adelinis JD Goh HL 《Journal of applied behavior analysis》1999,32(4):437-449
The analogue functional analysis described by Iwata, Dorsey, Slifer, Bauman, and Richman (1982/1994) identifies broad classes of variables (e.g., positive reinforcement) that maintain destructive behavior (Fisher, Ninness, Piazza, & Owen-DeSchryver, 1996). However, it is likely that some types of stimuli may be more effective reinforcers than others. In the current investigation, we identified 2 participants whose destructive behavior was maintained by attention. We used concurrent schedules of reinforcement to evaluate how different types of attention affected both destructive and appropriate behavior. We showed that for 1 participant praise was not an effective reinforcer when verbal reprimands were available; however, praise was an effective reinforcer when verbal reprimands were unavailable. For the 2nd participant, we identified a type of attention that effectively competed with verbal reprimands as reinforcement. We then used the information obtained from the assessments to develop effective treatments to reduce destructive behavior and increase an alternative communicative response. 相似文献
66.
67.
The authors conducted 2 studies regarding behavior perceptions of "self" and "typical other" in hypothetical replications of S. Milgram's (1963) obedience experiment. In Study 1, participants' knowledge about Milgram's actual results was manipulated. Regardless of knowledge, results demonstrated several specific social and perceptual biases (e.g., the self-other bias; J. D. Brown, 1986), in addition to several general, fundamental lessons of social psychology (e.g., the perseverance of lay dispositionism). Study 2 was designed to explore the possibility that participants' own academic interests and worldview could influence the biases explicated in Study 1. The authors assessed perceptions of both criminal-justice majors and non-criminal-justice majors regarding their perceptions of behaviors of self and typical other. The criminal-justice students' self-other obedience estimates were significantly higher than those of the non-criminal-justice students. Further, the self-other discrepancy for criminal-justice students was significantly smaller than the difference reported by non-criminal-justice majors, suggesting that the criminal-justice students demonstrated the self-other bias significantly less than non-criminal-justice students in this context. The findings indicate that specific social-perceptual biases may have been moderated by career interest and worldview. 相似文献
68.
Novick JM Trueswell JC Thompson-Schill SL 《Cognitive, affective & behavioral neuroscience》2005,5(3):263-281
A century of investigation into the role of the human frontal lobes in complex cognition, including language processing, has
revealed several interesting but apparently contradictory findings. In particular, the results of numerous studies suggest
that left inferior frontal gyrus (LIFG), which includes Broca’s area, plays a direct role in sentence-level syntactic processing.
In contrast, other brain-imaging and neuropsychological data indicate that LIFG is crucial for cognitive control—specifically,
for overriding highly regularized, automatic processes, even when a task involves syntactically undemanding material (e.g.,
single words, a list of letters). We provide a unifying account of these findings, which emphasizes the importance of general
cognitive control mechanisms for the syntactic processing of sentences. On the basis of a review of the neurocognitive and
sentence-processing literatures, we defend the following three hypotheses: (1) LIFG is part of a network of frontal lobe subsystems
that are generally responsible for the detection and resolution of incompatible stimulus representations; (2) the role of
LIFG in sentence comprehension is to implement reanalysis in the face of misinterpretation; and (3) individual differences
in cognitive control abilities in nonsyntactic tasks predict correlated variation in sentence-processing abilities pertaining
to the recovery from misinterpretation. 相似文献
69.
An important area in the learning and development of individuals with disabilities is the acquisition of independent, age-appropriate leisure skills. Three adults with autism and mental retardation were taught to access specific Internet sites using backward chaining and most-to-least intrusive prompting. The number of independent steps completed in the task analysis increased following training. 相似文献
70.