The effects of age,study time,and importance of text units on strategy use and memory for texts

European Journal of Psychology of Education - This study investigated study behavior and recall of a narrative text as a function of the reader’s age, study time, and importance level of text...     

Sensory Processing in Rhesus Monkeys: Developmental Continuity,Prenatal Treatment,and Genetic Influences

Neonatal sensory processing (tactile and vestibular function) was tested in 78 rhesus macaques from two experiments. At ages 4–5 years, striatal dopamine D₂ receptor binding was examined using positron emission tomography. At ages 5–7 years, adult sensory processing was assessed. Findings were: (a) prenatal stress exposure yielded less optimal neonatal sensory processing; (b) animals carrying the short rh5‐HTTLPR allele had less optimal neonatal sensory scores than monkeys homozygous for the long allele; (c) neonatal sensory processing was significantly related to striatal D₂ receptor binding for carriers of the short allele, but not for animals homozygous for the long allele; and (d) there was moderate developmental continuity in sensory processing from the neonatal period to adulthood.     

虚拟全景的链接——“虚拟现实”系列之三

该文通过实例介绍了虚拟全景之间、虚拟现实全景与URL以及静止图片之间的链接技术     

Improving College Enrollment of At-Risk Students at the School Level

Many federal, state, and local education policy priorities are aimed at preparing high school students, especially those at risk, to be college- and career-ready when they graduate from high school. A number of programs across different institutional entities have been initiated to achieve these goals, encompassing individual partnerships with schools. Many of these programs include a variety of interventions, ranging from college and course counseling to college visits. Although there have been some evaluations of the larger federal programs, and some state and district programs, few have examined national observational data on the impact of these programmatic efforts on college enrollments. This study uses the HSLS:09 database to investigate the impact of specific treatments in at-risk schools on college enrollments. Results show that several of these programmatic initiatives have a positive effect on college enrollment; however, the effects are small compared to some of those reported by other national studies.     

Sensory processing disorder in a primate model: evidence from a longitudinal study of prenatal alcohol and prenatal stress effects

Disrupted sensory processing, characterized by over- or underresponsiveness to environmental stimuli, has been reported in children with a variety of developmental disabilities. This study examined the effects of prenatal stress and moderate-level prenatal alcohol exposure on tactile sensitivity and its relationship to striatal dopamine system function in thirty-eight 5- to 7-year-old rhesus monkeys. The monkeys were from four experimental conditions: (a) prenatal alcohol exposed, (b) prenatal stress, (c) prenatal alcohol exposed + prenatal stress, and (d) sucrose controls. Increased D(2) receptor binding in the striatum, evaluated using positron emission tomography neuroimaging, was related to increased withdrawal (aversion) responses to repetitive tactile stimuli and reduced habituation across trials. Moreover, prenatal stress significantly increased overall withdrawal responses to repetitive tactile stimulation compared to no prenatal stress.     

What Counts? Sources of Knowledge in Children’s Acquisition of the Successor Function

Although many U.S. children can count sets by 4 years, it is not until 5½–6 years that they understand how counting relates to number—that is, that adding 1 to a set necessitates counting up one number. This study examined two knowledge sources that 3½- to 6-year-olds (N = 136) may leverage to acquire this “successor function”: (a) mastery of productive rules governing count list generation; and (b) training with “+1” math facts. Both productive counting and “+1” math facts were related to understanding that adding 1 to sets entails counting up one number in the count list; however, even children with robust successor knowledge struggled with its arithmetic expression, suggesting they do not generalize the successor function from “+1” math facts.     

Potenziale schulstatistischer Individualdaten für die Bildungsforschung und Bildungspolitik – Das Beispiel Bremen

Education policy and educational practitioners have increased their demand for evidence-based knowledge. In 2003, the Standing Conference of the Ministers of Education and Cultural Affairs (KMK) decided to establish a core dataset for individual-level administrative school statistics, the ?Kerndatensatz für schulstatistische Individualdaten“, to close the gaps in education statistics and to support evidence-based policy. In the federal state of Bremen, individual-level student data has been collected since 1997/98. These data are of great value for educational planning and policy, educational reporting, as well as educational research, as the analysis of individual educational trajectories depends on the availability of individual-level longitudinal data. Using the Bremen data, this paper demonstrates that highly relevant issues regarding the education system can indeed be analyzed with individual-level student data. Examples include: the effects of age at school entry, educational trajectories and graduation certificates. The results show that demographic information and critical events during early years of education are good predictors for educational success. These findings highlight the potential for student-level data in establishing education policy.     

Moderate Alcohol Consumption and Psychological Stress during Pregnancy Induce Attention and Neuromotor Impairments in Primate Infants

This study examined the effect of moderate alcohol and/or psychological stress during prenancy on off-spring growth and behavior in 33 rhesus monkey infants ( Macaca mulatta ). Infants were derived from 1 of 3 groups of female: (1) alcohol-consuming,0.6g/Kg, Daily throughou gestation (equivalet, to 1-2 drinks), beginning 5 day prior to breeding;(2) alcohol-consuming (as above) and exposed to mild psychological stress(removal from home cage and exposed to 3 random noise bursts); (3) sucrose-consuming, equivolemic, and equicaloric to the alcohol solution.Beginning on day 4 postpartum, intantrs underwent brief weekly separations from their mother for assessment of growth, behavior, and facial dimensions. Results indicated that moderate alcohol consumption throughout pregnancy was sufficient to affect attention and neuromotor functioning, even though the infants were normol in birthweight, gestational length, and facial dimensions, Moreover, alcohol-induced neuromotor impairments were exacerbated by maternal exposure to psychological stress, and males from the alcohol/stress condition had reduced birthweights. Finally, although all females consuming alcohol produced viable offspring, alcohol accompanie by stress during gestation resulted in 23% fetal losses (abortion and stillbirths).     

Family and nonfamily support in relation to burnout and work engagement among Italian teachers

Italy had traditionally been considered a family‐oriented culture where support from relatives is primary. The major purpose of this study was to clarify the benefits of social support inside and outside the family for schoolteachers in Italy, focusing on the teacher burnout and work engagement. Findings indicated that the family was by far the most significant source of support. School colleagues who felt close to each other resembled each other in terms of burnout and work engagement. Difficult interactions with colleagues were associated with burnout more extensively at later stages of the teaching career; supervisor support was linked with burnout at an early stage.     

INTELLIGENT DISCOVERY SYSTEMS (IDS)

In the literature on Intelligent Computer‐Aided Instruction (ICAI), and more widely, in that on artificial intelligence in education, we can distinguish, as a general rule, between intelligent tutoring systems and learning environments (also called micro‐worlds). In this article, we have attempted to merge these two approaches so as to produce a synthesis which we propose calling intelligent discovery systems.