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941.
Jo M. Hendrickson Nancy Gardner Ann Kaiser Ann Riley 《Journal of applied behavior analysis》1993,26(2):213-225
We used a multiple baseline design across teachers (with a reversal phase for 1 teacher) to evaluate the direct and indirect effects of a structured coaching procedure on the teaching behaviors of 3 day-care teachers. Structured coaching preceding daily caregiver routines resulted in (a) substantial increases in adult delivery of behavioral support of social interaction during group activities with 2- and 4-year-old children and (b) marked collateral increases in positive interactions of socially withdrawn children. Long-term maintenance effects were demonstrated by both the teachers and target children, and social validity measures indicated that the teachers rated coaching very positively on several dimensions. The results are discussed in relation to in-service training of day-care staff, the concept of coaching as a setting event, and the dissemination of teaching technology related to social interaction of young children. 相似文献
942.
Codes of professional ethics and cases designed to teach ethical decision making are written for individual professionals and ignore the systems level of analysis. They typically employ a lineal view of causality and overvalue placement of blame as a component of ethical problem solving. This article takes a systems approach to ethical problems and identifies aspects of systems that promote or impede ethical decision making. Psychological abuse of children is used as an example of a problem requiring a coordinated, systemic response to ethical issues such as autonomy, privacy, and confidentiality. 相似文献
943.
944.
Bilateral language: Is the left hemisphere still dominant? 总被引:1,自引:0,他引:1
A 13-year-old left-handed boy with a left fronto-parietal vascular malformation evidenced bilateral symmetrical language representation at intracarotid amytal testing. Surgical resection of the parietal motor and frontal premotor area (sparing classical perisylvian language regions) for seizure control resulted in an acute aphasia. Language deficits were still apparent 3 months and to a lesser degree 1 year after surgery. This suggests that when language is bilateral and symmetrical, the left hemisphere may still be dominant or both hemispheres may be necessary to sustain full language competence. Explanations for atypical language localization within the left hemisphere are also discussed. 相似文献
945.
946.
Improvements in visual acuity following vision training were evaluated for an 11-yr-old myopic male. Initial increases in the distance at which the S could discriminate letters were found. However, performance began to deteriorate as training progressed. A negative-reinforcement procedure was employed in order to rule out motivational factors potentially related to this decreased performance. Using a changing criterion within an ABCBC reversal design, the distance at which the S correctly discriminated letters increased by more than times and was clearly related to the reinforcement procedure. 相似文献
947.
Hearing by eye 总被引:3,自引:0,他引:3
Recent work on integration of auditory and visual information during speech perception has indicated that adults are surprisingly good at, and rely extensively on, lip reading. The conceptual status of lip read information is of interest: such information is at the same time both visual and phonological. Three experiments investigated the nature of short term coding of lip read information in hearing subjects. The first experiment used asynchronous visual and auditory information and showed that a subject's ability to repeat words, when heard speech lagged lip movements, was unaffected by the lag duration, both quantitatively and qualitatively. This suggests that lip read information is immediately recoded into a durable code. An experiment on serial recall of lip read items showed a serial position curve containing a recency effect (characteristic of auditory but not visual input). It was then shown that an auditory suffix diminishes the recency effect obtained with lip read stimuli. These results are consistent with the hypothesis that seen speech, that is not heard, is encoded into a durable code which has some shared properties with heard speech. The results of the serial recall experiments are inconsistent with interpretations of the recency and suffix effects in terms of precategorical acoustic storage, for they demonstrate that recency and suffix effects can be supra-modal. 相似文献
948.
Cognitive education for learning-disabled adolescents 总被引:1,自引:0,他引:1
949.
Experiment 1 demonstrates that scratching in the laboratory rat can be instrumentally conditioned with food reinforcement. However, the asymptotic rate of performance of this response is shown to be low, as compared with an instrumental lever press response. It is suggested that one reason for this low rate of responding is that the scratch response can only be performed in the presence of an infrequently occurring itch stimulus. In support of this account the remaining experiments demonstrate that the rate of instrumental scratching can be increased relative to that shown by control groups by using a technique which might be supposed to increase the frequency at which an itch stimulus occurs. 相似文献
950.
Dr. Albert F. Ax Ruth Lloyd John C. Gorham Anna Marie Lootens Ralph Robinson 《Motivation and emotion》1978,2(3):213-242
Academic achievement was resolved into its intellectual and motivational components. IQ, personality variables, and parameters of operant and classical conditioning of autonomic nervous system controlled variables were examined in 99 black inner-city high school seniors. Six physiological variables(respiration, heart rate, finger plethysmogram, frontalis muscle potential, palmar skin conductance, and palmar skin potential) were analyzed by computer using analog-to-digital conversion and a Points of Interest (PI) program. Psychological measures were full WAIS IQ, Edwards Personality Inventory(EPI), Cattell Sixteen Personality Factor Questionnaire(16PF), McClelland need Achievement test(n Ach), Object Sorting test, Minnesota Counseling Inventory(MCI), Level of Aspiration Board, and Rotter—Miller Locus of Control. Achievement(Ach) was defined as the residuals of total grade point average(GPA) regressed on IQ. Each of 19 variables which discriminated significantly between high and low achievers was employed in step-wise regression analyses for GPA and Ach separately. In a regression analysis of variance of GPA, IQ=20.44%, EPI=9.08%, and physiological measures =21.37%(operant conditioning =18.70%; classical conditioning =2.67%). Combined measures of motivation(psychological and physiological) =30.45% of the variance in GPA. The entire psychological and physiological test battery, including IQ, contributed a total of 50.89% of the variance in GPA. In a regression analysis of variance in achievement, psychological measures, other than IQ(six EPI and one 16PF), =11.0% and physiological measures =30.3%. As a replication, this study demonstrated significant correlation between autonomic conditioning and school achievement. 相似文献