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81.
George W. Hynd Richard M. Marshall Margaret Semrud-Clikeman 《Reading and writing》1991,3(3-4):345-362
Although some form of central nervous system involvement is presumed, evidence establishing a relationship between dyslexia and neurological dysfunction has been correlational. Recently, neuroimaging and postmortem studies have begun to provide direct evidence implicating neuropathological structures in dyslexia. This article reviews computed tomography (CT) and magnetic resonance imaging (MRI) studies examining deviations in brain morphology which appear to be associated with neurolinguistic functioning. Methodological and technical issues are discussed. Based on their own and others research, the authors conclude that dyslexics show variations in specific brain regions, namely, reversed or symmetrical plana temporale (LR), smaller insular length bilaterally, and symmetrical frontal regions. Moreover, recent studies by the senior author and colleagues suggest that specific reading tasks are associated with specific variations in brain morphology. Symmetrical frontal widths was related to poorer passage comprehension, and reversed frontal area symmetry was related to poor word attack skills. Though many conceptual and technical issues remain unresolved, neuroimaging procedures appear to provide direct evidence supporting the importance of deviations in normal patterns of brain morphology in dyslexia. 相似文献
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Lau AS Leeb RT English D Graham JC Briggs EC Brody KE Marshall JM 《Child abuse & neglect》2005,29(5):533-551
OBJECTIVE: The primary aim of the study was to identify a classification scheme, for determining the predominant type of maltreatment in a child's history that best predicts differences in developmental outcomes. METHOD: Three different predominant type classification schemes were examined in a sample of 519 children with a history of alleged maltreatment. Cases were classified into predominant maltreatment types according to three different schemes: Hierarchical regression analyses examined whether the HT, SFT, and EHT type classifications contributed to prediction of child behavior problems, trauma symptoms and adaptive functioning. RESULTS: After controlling for demographic factors, the HT definitions predicted four outcomes, while the SFT definitions predicted three, and the EHT classifications contributed to the prediction of five child outcomes. The co-occurrence of multiple types of maltreatment was robustly related to outcomes. However, the HT and SFT classifications predicted outcomes even after accounting for the co-occurrence of multiple maltreatment subtypes. CONCLUSION: A classification scheme that differentiates between type combinations and single maltreatment types may have the greatest predictive validity. Over and above knowing about co-occurrence of maltreatment sub-types, it is important to understand what type, or constellation of types, of maltreatment have been alleged in a child's history. 相似文献
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The authors argue that students in counseling practicum courses experience many self‐defeating thoughts and anxieties. These worries can impede their performance as new counselors and can have a negative impact on the supervision process. The authors outline innovative methods used by cognitive therapists to address this anxiety. In addition, a model is presented for counselor educators to use cognitive restructuring techniques as a supervision tool. Summary Throughout their studies, counseling graduate students face many possible fears and anxieties that arise from their classroom experiences. The greatest fears and anxieties seem to be related to the counseling practicum experience. This experience is one in which students may feel incompetent, vulnerable, and unskilled as they begin to put their classroom knowledge and experiences into practice. If these fears and anxieties persist, students have a hard time making progress in the area of the counseling relationship and skill building. We have examined how practicum students' fears and anxieties might be addressed, using cognitive interventions. Such interventions allow students to take irrational thoughts and change them to rational thought patterns. This is accomplished by asking students to state their fears verbally, to think about the effects of the fears and the consequences, to think about intervening beliefs and thoughts, and to restate the fears in a rational manner. Our experience suggests that cognitive interventions are useful strategies to help practicum students combat fears and anxieties. Further research might examine the use of other behavioral interventions to address these fears. For example, does role‐playing a counseling technique in supervision make a student less anxious about applying it in a real counseling session? In summary, fear and anxiety can impede the preparation of counselors during their practicum experiences. Understanding the underlying thoughts that cause these fears can help students overcome self‐defeating thought patterns. Cognitive restructuring techniques have been shown to reduce tension and can be used with counseling practicum students to help relieve performance and supervision anxiety. 相似文献
86.
G. Lindsey Davis Donna M. Mertens Lawrence D. Patterson Roger O. Lambson Sam Brown 《Research in higher education》1976,4(3):209-217
This study was designed to determine the predictive validity of selected admissions variables used by the University of Kentucky College of Medicine. Data for the study were collected from 586 students admitted to the M.D. program from 1961 to 1968. These students were categorized into one of three groups (Successful [SUCC], Successful with Extended Study [SWES], and Lost to Medicine [LTM]) based upon their performance in medical school. A two-way analysis of variance and the use of a post hoc Scheffé method of multiple comparisons indicated significant differences between the SUCC group and the combined SWES and LTM groups. Therefore, the data revealed the predictive ability of two admissions variables and suggested the need for additional research into the subjective variables used in the admissions process. 相似文献
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Anna Jones Joanna Atkinson Chloe Marshall Nicola Botting Michelle C. St Clair Gary Morgan 《Child development》2020,91(2):e400-e414
Numerous studies suggest an association between language and executive function (EF), but evidence of a developmental relationship remains inconclusive. Data were collected from 75 deaf/hard-of-hearing (DHH) children and 82 hearing age-matched controls. Children were 6–11 years old at first time of testing and completed a battery of nonverbal EF tasks and a test of expressive vocabulary. These tasks were completed again 2 years later. Both groups improved their scores on all tasks over this period. DHH children performed significantly less well than hearing peers on some EF tasks and the vocabulary test at both time points. Cross-lagged panel models showed that vocabulary at Time 1 predicted change in EF scores for both DHH and hearing children but not the reverse. 相似文献
90.
Research in science education confirms the importance of self-efficacy in students' persistence and success in the sciences. The current study examined the role of science self-efficacy in nonspecialist, arts and communication-oriented students encountering science in a general education context. Participants (N = 275) completed a beginning- and end-of-semester survey including a Science Self-Efficacy Scale, a “connection to science” measure—the Inclusion of Science in Self Scale—and a Science Anxiety Scale. Participants also responded to two open-ended “sources of science efficacy” questions, and provided background/demographic information and access to their academic records. Results showed a significant increase in science self-efficacy and connection to science—although no change in science anxiety—over the course of the semester. The observed shift in self-efficacy for minority and international students was of particular note. These students started the course with lower confidence but, by the end of the semester, reported comparable science self-efficacy, and achieved similar grades to their White/Non-Hispanic and US resident classmates. Contrary to expectations, science self-efficacy did not predict performance in the class. However, students' self-reported sources of efficacy indicated increased confidence in using science in daily life, and confirmed the value of mastery experiences and of personally meaningful, student-centered course design in scaffolding student confidence. Results are discussed in terms of the individual and instructional factors that support science self-efficacy and student success in this unique, general education science environment. 相似文献