A Quest for the Holy Grail in the New Millennium: In Search of a Unified Theory of Cognitive Development

Our reply emphasizes the benefits of cooperation between researchers in developing a comprehensive model of cognitive development that considers the constraints of human brain structures and the interplay of general laws of development and individual differences in developmental pathways within the context of social and cultural environments.     

Gold coated optical fibers as three-dimensional electrodes for microfluidic enzymatic biofuel cells: Toward geometrically enhanced performance

For the first time, we report on the preliminary evaluation of gold coated optical fibers (GCOFs) as three-dimensional (3D) electrodes for a membraneless glucose/O₂ enzymatic biofuel cell. Two off-the-shelf 125 μm diameter GCOFs were integrated into a 3D microfluidic chip fabricated via rapid prototyping. Using soluble enzymes and a 10 mM glucose solution flowing at an average velocity of 16 mm s⁻¹ along 3 mm long GCOFs, the maximum power density reached 30.0 ± 0.1 μW cm⁻² at a current density of 160.6 ± 0.3 μA cm⁻². Bundles composed of multiple GCOFs could further enhance these first results while serving as substrates for enzyme immobilization.     

Key skills for science learning: the importance of text cohesion and reading ability

To explore the importance of text cohesion, we conducted two experiments. We measured online (reading times) and offline (comprehension accuracy) processes for texts that were high and low cohesion. In study one (n?=?60), we manipulated referential cohesion using noun repetition (high cohesion) and synonymy (low cohesion). Students showed enhanced comprehension accuracy and faster comprehension responses for text that were high in referential cohesion. In study two (n?=?52), we examined connective text designs (‘because’, ‘and’ and ‘no connective’). Students demonstrated enhanced reading times for text using a ‘because’ connective. Additionally, we examined the individual differences (reading ability, science self-concept and self-esteem) as predictors of achievement with science comprehension tasks. Across both experiments reading ability predicted comprehension with both high (noun-repetition text and ‘and’ text) and low cohesion text (synonym text and ‘no connective’ text). These findings highlight the importance of good reading abilities and text cohesion for promoting science comprehension and learning.     

Phonological skill,lexical decision and letter report performance in good and poor adult spellers

Two groups of undergraduate students, matched for reading skill but differing in spelling ability, participated in three experiments with the aim of exploring the causes of differences in spelling skill in this population. In the first experiment participants were presented with a range of tasks to investigate the possibility that the poor spellers had poorer phonological abilities than the good spellers. No significant differences were observed. In Experiment 2, a lexical decision task was used. The words in the task differed in orthographic neighbourhood size (N) and frequency. Analysis of the latencies revealed effects of frequency and N, but the effect of spelling group was not significant and neither was the interaction with N. Analysis of the errors revealed that the poor spellers made significantly more errors than the good spellers. In Experiment 3 participants were asked to identify the letters in briefly presented words and non‐words. There was a significant effect of stimulus type in favour of words. Poor spellers made more errors in the task than the good spellers, although the difference was restricted to non‐words. Finally, an analysis of the errors made in spelling to dictation by the two groups was carried out. This revealed that the poor spellers were more likely than the good spellers to make errors that were not phonologically plausible and that differed markedly from the target. Overall, the results are interpreted in terms of a partial orthographic representations explanation of poor spelling in good readers.     

The governance and standardisation of research information in different science systems: A comparative analysis of Germany and Italy

This paper takes a policy‐analytical perspective on the evolution of standards of research information (RI) and provides a framework for analysing processes of RI standardisation in different research systems. It focuses on the choice of policy instruments on the macro level (government) and their effects with regard to policy reactions, decisions and practices on the meso level (Higher Education institutions). Next to providing a conceptual frame for analysing and comparing—direct and indirect—RI standardisation processes, the paper presents exploratory evidence with regard to the German and Italian science systems. The empirical analysis shows that policies (indirectly) regulating the institutional processing of RI (e.g., evaluation policies) might indeed lead to the standardisation of RI in a science system. Policy reactions on the meso or organisational level, which largely shape the standardisation dynamics, depend on the strategic relevance of the policy and on available implementation support.     

Cultivating Orchids May Help Conserve Wild Species in China

正Over-exploitation of economically valuable species is a major threat to biodiversity.Few studies have investigated the role of consumer behavior in driving over-exploitation of rare,wild species in the lucrative horticultural trade.Dr.Sophie Williams,a postdoc of Xishuangbanna Tropical Botanical Garden(XTBG),and her collaborators conducted a study to investigate consumer preferences for particular attributes of ornamental     

The Role of External Professionals in Education about Sexual Orientation−towards good practice

Throughout England, young people in schools are entitled to a comprehensive programme of sex education as part of Personal, Social and Health Education (PSHE). Current debate about the content of such a programme is informed by new government guidance on sex and relationship education as well as pre-existing concerns about homophobic bullying, sexual health and mental health. In an English local authority, an externally funded Young Gay and Bisexual Men's Development Worker provided educational activities to address sexual orientation and identity issues to four schools. An evaluation sought to identify whether successes had been achieved and why. A further aim was to identify useful learning about the role of external professionals in carrying out effective education about sexual orientation with young people in schools. The evaluation was developed within the context of a number of 'real-world' limitations. Nevertheless, a significant number of project successes (and areas for development) were documented. Successes included raising awareness of key issues among pupils and supporting teachers engaged in PSHE. Key factors contributing to success included: adequate preparation of teachers and pupils in schools; an appropriately skilled and experienced project worker; and a considered approach to building partnerships with schools and working with young people.     

Conditions of Success of a School's Self-Evaluation: Some Lessons of an European Experience

This study uses data from an European Project on school self-evaluation. A hundred and one schools experimented with self-evaluation and reported on what they did and what were the outcomes of the process. It is therefore possible to look at which characteristics of the process are associated with a positive appreciation of its effects. This analysis is conducted by confronting 2 general models of self-evaluation, named here the “technical” and the “participating” models. The 2 models are presented, then their ability to explain the success of a process of self-evaluation is compared. The explaining power of both models appears to show similarities, a result which makes it relevant to look at their optimal combination.     

Relations of Emotional Competence and Effortful Control to Child Disruptive Behavior Problems

Research in child development suggests that emotional competence and effortful control are important for the prevention of conduct disorder, although studies regarding their effects in relation to each other are limited. This investigation examined the additive contribution of specific components of emotional competence and effortful control to child disruptive behaviors, after controlling for IQ and symptoms of inattention/hyperactivity. The sample consisted of 357 Australian five- to nine-year-old children who were identified through a school-wide screening procedure as at risk for developing conduct disorder. Five independent variables were evaluated including emotion identification, emotion understanding, emotion regulation, inhibitory control, and cognitive flexibility. Outcome variables measured child disruptive behavior problems and were based on parent and teacher assessment. Results indicated that deficits in emotion regulation and cognitive flexibility are significantly related to risk for disruptive behavior problems, according to parent but not teacher report. These deficits outweighed inhibitory control, emotion identification, and emotion understanding in their association with problem behavior. Findings may enhance the content and delivery of preventative programs.