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291.
Students' perceptions of their safety and vulnerability were investigated in 11 public middle schools (more than 70 sixth-grade classrooms) that varied in ethnic diversity. Results of hierarchical linear modeling analyses indicate that higher classroom diversity is associated with feelings of safety and social satisfaction. African American (n= 511) and Latino (n= 910) students felt safer in school, were less harassed by peers, felt less lonely, and had higher self-worth the more ethnically diverse their classrooms were, even when controlling for classroom differences in academic engagement. Results at the school level were similar to those at the classroom level; higher ethnic diversity was associated with lower levels of self-reported vulnerability (but no difference in self-worth) in both fall and spring of sixth grade. In the spirit of Brown v. Board of Education, the current findings offer new empirical evidence for the psychological benefits of multiethnic schools. 相似文献
292.
Whether infants with Down syndrome (DS) perform leg movements with the same frequency and quality as their typical development (TD) counterparts is equivocal. Furthermore, the relationship between these early leg movements and later onset of locomotor milestones has only been partially explored. The aims of this study were two-fold: (1) to describe the longitudinal leg activity in infants with and without DS (3-6 months), and (2) to examine sleeping patterns and leg activity during the night. In addition, the relationships between leg activities and sleep patterns with locomotor development were explored. An activity monitor was placed monthly on the infant's ankle for 48 h. Data were analyzed to separate day-night, high-low activity, and sleep fragmentation. The results indicate that infants with DS produced more low intensity activity and more fragmented sleep. These findings are discussed in relation to the influence of early motor activity on achievement of functional motor behavior. 相似文献
293.
Pace TM Robbins RR Choney SK Hill JS Lacey K Blair G 《Cultural diversity & ethnic minority psychology》2006,12(2):320-333
This study investigated the normative validity of the MMPI-2 with two distinct American Indian tribes. Differences occurred on 8 of the 13 basic validity and clinical scales (F, 1, 4, 5, 6, 7, 8, 9) between the MMPI-2 norms and both tribal samples. Elevated MMPI-2 scores of American Indians may not only reflect the possibility of psychological distress spurred by historical oppression and present adversity, but also an expression of a divergent worldview. Considering the context of the historical and social production of knowledge about American Indians, it is argued that researchers and practitioners, when interpreting MMPI-2 results for American Indians, should seriously consider their interpretive points of reference, which may be impacted by dominant cultural belief systems. 相似文献
294.
In the present article, we outline the architecture of a computer program for simulating the process by which humans comprehend
texts. The program is based on psycholinguistic theories about human memory and text comprehension processes, such as the
construction-integration model (Kintsch, 1998), the latent semantic analysis theory of knowledge representation (Landauer
& Dumais, 1997), and the predication algorithms (Kintsch, 2001; Lemaire & Bianco, 2003), and it is intended to help psycholinguists
investigate the way humans comprehend texts. 相似文献
295.
Explicit timing and interspersal interventions were investigated using a within-subjects design with 45 third-grade students.
A control assignment consisted of subtraction of a two digit number from a two digit number (i.e., target problem) and served
as a baseline. An explicit timing assignment consisted of similar problems as those for the control assignment. The interspersal
assignment consisted of similar problems as those for the control and explicit timing assignments with the addition of subtraction
of a one digit number from a one digit number interspersed following every third target problem. Total problem completion
rates, target problem completion rates, accuracy on target problems and students' rating regarding difficulty, time, effort,
and preference between assignments for class work were collected. Student preference choices were analyzed for fit with the
discrete task completion hypothesis. Three trials were administered. Results indicated that: (a) students completed more total
problems during interspersal, (b) target problem completion rates were higher during explicit timing, (c) accuracy rates remained
constant, (d) students rated the explicit timing assignment as requiring more time and being more difficult for all trials
and as requiring more effort for trial 2 and 3, (e) students selected the interspersal assignment to do in class as compared
to the explicit timing assignment for all trials, and (f) the data fit the discrete task completion hypothesis relatively
well for all trials. Discussion focuses on comparing academic interventions based on problem completion rates, student preference,
and acceptability data. 相似文献
296.
Kwekkeboom KL Ameringer S Harrison T Phillips CM Serlin RC Ward SE 《The American psychologist》2005,60(7):731-2; author reply 734-5
Presents a comment on "Psychological Treatments" by D. H. Barlow. In his article, Barlow pointed to the need "to solidify the identification of psychology as a health care profession" by changing the terminology of practice in the health care context from psychotherapy to psychological treatments and suggested that the only persons qualified to carry out such interventions are doctoral-level psychologists. Unfortunately, there was no discussion of the health care professionals who already provide psychological treatments in health care settings and their contribution to the evidence base supporting such treatment. The authors find several aspects of the article to be problematic. Overall, the authors feel that suggesting that psychology should claim treatment of psychological disorders and psychological components of physical disorders in health care settings as exclusively its own domain ignores the research and clinical contributions of others. 相似文献
297.
The relations of problem behavior status to children's negative emotionality, effortful control, and impulsivity: concurrent relations and prediction of change 总被引:12,自引:0,他引:12
Eisenberg N Sadovsky A Spinrad TL Fabes RA Losoya SH Valiente C Reiser M Cumberland A Shepard SA 《Developmental psychology》2005,41(1):193-211
The relations of children's internalizing and externalizing problem behaviors to their concurrent regulation, impulsivity (reactive undercontrol), anger, sadness, and fearfulness and these aspects of functioning 2 years prior were examined. Parents and teachers completed measures of children's (N = 185; ages 6 through 9 years) adjustment, negative emotionality, regulation, and behavior control; behavioral measures of regulation also were obtained. In general, both internalizing and externalizing problems were associated with negative emotionality. Externalizers were low in effortful regulation and high in impulsivity, whereas internalizers, compared with nondisordered children, were low in impulsivity but not effortful control. Moreover, indices of negative emotionality, regulation, and impulsivity with the level of the same variables 2 years before controlled predicted stability versus change in problem behavior status. 相似文献
298.
Limb apraxia is a common symptom of corticobasal degeneration (CBD). While previous research has shown that individuals with CBD have difficulty imitating transitive (tool-use actions) and intransitive non-representational gestures (nonsense actions), intransitive representational gestures (actions without a tool) have not been examined. In the current study, eight individuals with CBD and eight age-matched healthy adults performed transitive, intransitive representational and intransitive non-representational gestures to imitation. The results indicated that compared to controls, individuals with CBD were significantly less accurate in the imitation of transitive and intransitive non-representational gestures but showed no deficits for the imitation of intransitive representational gestures. This advantage for intransitive representational gestures was thought to be due to fewer demands being placed on the analysis of visual-gestural information or the translation of this information into movement when imitating these gestures. These findings speak to the importance of context and the representation of gestures in memory in gesture performance. 相似文献
299.
The present study was designed to investigate the relationship between performance of limb gestures and the severity of Alzheimer's disease (A.D.). Apraxia tends to occur at later stages of A.D., and the severity of apraxia has been shown to vary with the severity of A.D. dementia. Participants were 19 mild (including 9 with no cognitive impairment and 10 with mild impairment) and 18 moderate A.D. patients as well as 25 controls and they were asked to pantomime (P) or imitate (both concurrent (CI) and delayed (DI)), eight transitive gestures to assess praxis performance. Results indicated that the moderate patients performed less accurately than mild and non-impaired patients, and that across all groups, the imitation conditions were performed less accurately than pantomime, relative to controls. Correlational analyses revealed that MMSE scores were correlated with all three performance conditions suggesting that impaired praxis performance may relate to more global impairment. Finally, a frequency analysis was conducted to examine whether A.D. patients showed patterns of apraxia as described in Roy's model (1996). Results indicated that A.D. patients showed greatest impairment on pattern 7 (deficits in P, DI, and CI), reflecting late-stage gesture production, with a greater frequency of moderate patients exhibiting each apraxic pattern. 相似文献
300.