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11.
In three experiments, we used the allergist task to examine the role of error correction mechanisms in the acquisition and extinction of causal judgments in people. Consistent with existing human and animal studies, acquisition of causal judgments was influenced by the discrepancy between the allergenic outcome and that predicted by all of the cues present on a trial (the "common error" term). However, in the present experiments, we failed to detect any evidence for the use of a common error term in extinction learning: Judgments of the allergenic properties of a cue were unaffected by the predictive value of the other cues present on a trial. This asymmetry in the use of a common error term in acquisition and extinction learning is inconsistent with previous animal studies and also with most models of associative learning. However, approaches that allow learning to be specific to a particular arrangement of elemental cues (context specific and state based) offer some explanation of the observed asymmetry. 相似文献
12.
OBJECTIVE: This study examines the relationship between parental self-confidence, warmth, and involvement, and corporal punishment in families of children with attention deficit/hyperactivity disorder (ADHD). METHOD: The diagnosis of ADHD was established through clinical interviews with the parents, children, and teachers, according the criteria in DSM-IV-TR. This diagnosis was also established by having the parents complete the Conners' Parent Rating Scale, and the teachers complete the Conners' Teacher Rating Scale. Two groups of Iranian parents, one group with children who have ADHD (N=130) and a control group (N=120), completed questionnaires measuring parental self-confidence and parenting styles. RESULTS: Parents of children with ADHD were found to have lower self-confidence and less warmth and involvement with their children, and used corporal punishment significantly more than the parents of control children. CONCLUSIONS: The study provides strong evidence that children with ADHD are at considerable risk of abuse by their parents. Rather than focusing only on the child's ADHD, treatment may also need to address the parents' functioning. 相似文献
13.
Untangling the effects of shared book reading: Multiple factors and their associations with preschool literacy outcomes 总被引:5,自引:0,他引:5
Annemarie H. Hindman Carol M. Connor Abigail M. Jewkes Frederick J. Morrison 《Early childhood research quarterly》2008
Evidence strongly suggests that shared book reading at home and in preschool is important for young children's development of the foundational skills required for the eventual mastery of decoding and comprehension. Yet the nuances of how learning from book reading might vary across these contexts and with children's skills are not well understood. One hundred and thirty children participating in a longitudinal investigation of literacy development were videotaped reading a storybook with a parent. Children were also videotaped in their 33 preschool classrooms during the instructional book-reading portion of the day. Readings were coded for adult and child contextualized and decontextualized language relating to both decoding and meaning-making skills, and relations between this talk and emergent literacy outcomes were analyzed. Results demonstrate that parents and teachers overwhelmingly focus their book-related talk on meaning-related rather than code-related information, and that the relations between outcomes and talk depend in part on children's initial levels of vocabulary skills. Implications for practice and research are discussed. 相似文献
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Frederick A. Hadd 《Psychology in the schools》1986,23(4):361-364
Results of the TONI, WISC-R, and WRAT were compared for a sample of 66 learning disabled children: 51 males (32 white, 19 black) and 15 females (9 white, 6 black) whose mean age was 9–5 (SD = 1–10). The mean score of the TONI was significantly different from the Performance IQ. Nonsignificant differences were found between the TONI and Full Scale IQ and between the TONI and Verbal IQ. Correlation coefficients between the TONI and WISC-R ranged from a low of .35 for the Verbal IQ to .44 for both the Full Scale and Performance IQs. The correlation coefficients between the TONI and standard scores of the WRAT were .38, .27, and .23, for Reading, Spelling, and Arithmetic, respectively. Implications of these findings are discussed. 相似文献
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Higher education in the United States and elsewhere is beset by crises: crises of public confidence, questions of continuing relevance, doubts about continuing the emphasis on doctoral instruction, and a very real financial crisis. In response, governing boards and governmental agencies are devoting increasing attention to the management of higher education. Part of this response has been a heightened interest in formal planning-programming-budgeting-systems (PPBS); in fact, several states have legislated the adoption of PPBS for higher educational planning and decision making. Similar interest has been evidenced in other countries. Therefore, it is an appropriate time to reconsider the nature and role of PPBS and its potential impact on higher education. This paper describes the salient characteristics of PPBS and traces the development of PPBS and related analytical techniques in governmental agencies and institutions of higher education. A second paper will illustrate both the concepts and the implementation of PPBS by a detailed exposition of the University of California's experience with PPBS. Finally, in a third paper we suggest an alternative view of policy analysis for educational planning which is a departure from traditional PPBS. We conclude with general observations and specific recommendations to educational managers seeking to improve their resource allocation procedures. 相似文献
19.
Gavan P. McNally Marika C. Gorrisen Lee-fay Low R. Frederick Westbrook 《Learning & behavior》1999,27(4):416-425
Rats were used in four experiments to study the effects on behavior and pain sensitivity of exposure to a context previously
paired with footshock or injection of the emetic drug lithium chloride (LiCl). Exposure to a context previously paired with
footshock or injection of LiCl provoked the species-typical defense response of freezing (Experiments 1A and 1B). Exposure
to a context previously paired with footshock additionally produced hypoalgesia when rats were tested using the tailflick
test (Experiment 1A). By contrast, exposure to a context previously paired with injection of LiCl produced hyperalgesia when
rats were tested using the tailflick test (Experiment 1B). However, exposure to a context previously paired with injection
of LiCl did provoke hypoalgesia when rats were tested for pain sensitivity using either the hotplate or formalin tests (Experiment
2), which was mediated by the release of endogenous opioid peptides (Experiment 3). These results are discussed with reference
to the processes governing associative regulation of defensive behavior and pain control. 相似文献
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