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51.
Memory for former preschool classmates was examined in 9-and 10-year-old children using measures of both explicit and implicit memory. Yes-no recognition of faces was at low levels but was significantly above chance. Skin conductance data showed similarly low but above-chance differentiation between classmates and controls. A median split of children based on their recognition memory scores showed that children with little evidence of explicit memory for classmates were as likely to show differential skin conductance responding to faces of former classmates as were children with higher recognition scores. Infantile amnesia, like the clinical syndrome for which it is named, may not always involve complete loss of encoded information.  相似文献   
52.
A survey research study was conducted with a sample of 100 secondary students from a local secondary school about the motives of cheating. The primary focus of this study was the interplay among variables of self-efficacy, peer influence and cheating. The results showed that students with low self-efficacy were more likely to cheat than those who perceived themselves as efficacious. It was further found that peers played a significant role in discouraging cheating by expressing disapproval and informing teachers of dishonest behaviour.  相似文献   
53.
This study investigated the influence on critical thinking of differential exposure to postsecondary education. The sample was 2,076 first-year students attending 13 four-year and 4 two-year institutions from around the country. First-year students attending college full-time developed a higher level of critical thinking skills than those attending part-time. In the presence of controls for precollege critical thinking and academic motivation, the average critical thinking of first-year students at the institution attended, gender, race, age, and kinds of courses taken, the number of semester hours for which the student was enrolled had modest but significant positive effects on end-of-first-year critical thinking for both the two- and four-year college samples. In the two-year, but not the four-year, sample the relationship between semester hours and critical thinking deviated significantly from linearity. Students attending a two-year college full-time still derived the largest critical thinking benefits. However, the lowest levels of critical thinking accrued to those enrolled between 7 and 20 semester hours. Students enrolled for 6 or less hours actually had somewhat higher end-of-first-year critical thinking.  相似文献   
54.
The Development of Hierarchical Representation of Two-Dimensional Space   总被引:1,自引:0,他引:1  
Adults represent the location of a point in a 2-dimensional space using 2 independent dimensions. They encode location along these dimensions both at a fine-grained level and categorically. In reporting location, they combine and weight the fine-grained and categorical information. In Experiment 1, we found that children as young as 5 years use the same 2 independent dimensions in fine-grained spatial coding of location in a circle as are used by adults—radius and angle. However, categorical coding and hierarchical combination are seen only for radius, at both 5 and 7 years. The adult pattern, where angle as well as radius is coded hierarchically, emerges by 9 years. Experiment 2 shows that there is nothing intrinsically difficult about the categorical coding of angular information; when angle is the only dimension to be encoded, younger children use hierarchical coding. Changes in 2-dimensional hierarchical coding may be due to cognitive load factors and to changes in ability to assign frames of reference.  相似文献   
55.
Newcombe NS 《Child development》2003,74(4):1050-1052
Investigators of complex phenomena often seek to isolate variables of interest by statistical control. However, they run the risk of studying situations that do not exist in the real world, missing mediational links, and drawing incorrect policy conclusions. In the National Institute of Child Health and Human Development (NICHD) Early Child Care Research Network article in this issue, amount of time in child care was studied controlling for family income and maternal depression. However, use of child care is closely linked with maternal employment, which increases family income and decreases maternal depression, which in turn are linked to children's socioemotional adjustment. Hence, the negative effects of amount of time in child care reported in the article are likely overestimated relative to causal pathways in the lives of real families.  相似文献   
56.
Research Findings: The purpose of this study was to examine within-group individual differences in the code-related and oral language abilities of an economically stressed Spanish-speaking English language learner (ELL) preschool sample and to evaluate the predictive relationship of these differences to later listening comprehension. Latent class analysis was used to identify similarities in both the latent and outcome variables to form classes of students with similar profiles on the measured variables. Our 1st finding confirmed the existence of 4 distinct psychometrically validated profiles: (a) Low English Language, Average Spanish Language, Mixed Spanish Code-Related (prevalence 19.4%); (b) Average English Language, Strengths in Spanish Language and Spanish Code-Related (24.2%); (c) Mixed English and Spanish Language, Low Spanish Code-Related (prevalence 34%); and (d) High English Language, Average Spanish Language, Mixed Spanish Code-Related (prevalence 22%). The resulting profiles demonstrated that English and Spanish code- and language-related domains of emergent literacy developed unevenly across the Spanish-speaking ELL preschoolers. Relative strengths and weaknesses in code- and language-related skills were also found to be meaningfully related to end-of-year listening comprehension—a precursor to reading comprehension. Finally, profiles yielded meaningful variability along sociodemographic variables. Practice or Policy: Implications, limitations, and directions for future research are discussed.  相似文献   
57.
Based on case studies of a private and a public Mexican university, this research studied the economic strategies adopted by institutions of higher education to respond to financial stress. Rather than assuming that these strategies were selected primarily on the basis of their economic efficiency, the social processes that led to their adoption were explored.Economic development theory was employed to describe and conceptualize the universities' responses to financial difficulties. The concepts of institutional rules and rational myths in the environment and the processes that lead organizations to become similar to their environment were utilized to explore the role of the institutional environment on decision-making in times of fiscal uncertainty.Results indicate that financial stress was managed through economic measures, however the universities' institutional environment filtered and gave specific meaning to particular decision strategies. Institutional rules in the environment, acquiring the character of rationalized myths, pemeated and determined decision-making choices, and were evidenced in and sustained by mimetic, normative and coercive processes. In this light, the institutional environment pervaded and predicted rational decisions.  相似文献   
58.
This study tested a modified version of Tinto's student attrition model on a Chicano student population in two-year colleges. Structural equation modeling and LISREL VI were used to examine the parameter estimates of the structural and measurement models of the hypothesized causal model. Measures of goodness of fit were examined to provide indices for the overall fit of the causal model in the study. The measurement and structural models were found to represent a plausible causal model of student retention among Chicano students. Although the measures used in assessing the fit of the model reflected the overall strength of the hypothesized model, the present study was not entirely supportive of Tinto's model. The findings were only minimally supportive of the hypothesized relationship between measures of academic integration and retention. The results indicated that the hypothesized relationship between measures of social integration could not be substantiated. Moreover, measures of initial commitments were found to have a significantly large direct effect on the dependent variable, retention.  相似文献   
59.
The standardized, indicated school‐based prevention program “Networks Against School Shootings” combines a threat assessment approach with a general model of prevention of emergency situations in schools through early intervention in student psychosocial crises and training teachers to recognize warning signs of targeted school violence. An evaluation study in 98 German schools with 3,473 school staff participants (Mage = 46.2 years) used a quasi‐experimental comparison group design with three measurement points (pre, post, and 7 months followup) with schools randomly allocated to implementation conditions. The study found increases in teachers' expertise and evaluation skills, enhanced abilities to identify students experiencing a psychosocial crisis, and positive secondary effects (e.g., teacher–student interaction, feelings of safety).  相似文献   
60.
The moment is tense ... and somewhat confusing. I am in my office with a small group of five-year-olds reading a story when Mrs. Wilson arrives. She is young, pretty, and looking very serious. “Billy says that his father visited here today!”  相似文献   
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