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81.
Dirk Willem Postma 《Journal of Philosophy of Education》2002,36(1):41-56
International reports on environmental policy promote 'education for sustainable development' as an instrument for realising environmental awareness, values and attitudes consistent with the liberal concept of 'sustainable development'. In this paper the ethical and political-philosophical assumptions of (education for) sustainable development will be criticised. First, it will be argued that (Rawlsian) liberal ethics cannot include obligations towards future generations. Second, the commentary focuses on the economic perspective underlying this liberal framework, its anthropocentric bias and the hierarchical distinction between public and private spheres. Third, to offer a more adequate framework for environmental education, some fruitful ideas within neo-republicanism will be examined. 相似文献
82.
Dirk De Bock Wim Van Dooren Dirk Janssens Lieven Verschaffel 《Educational Studies in Mathematics》2002,50(3):311-334
Several recent ascertaining studies revealed a deep-rooted and almost irresistible tendency among 12–16-year old students
to improperly apply the linear or proportional model in word problems involving lengths, areas and volumes of similar plane
figures and solids. While these previous studies showed to what extent students' improper use of linear reasoning is affected
by different characteristics of the task, it remained largely unclear what aspects of their knowledge base are responsible
for the occurrence and strength of this phenomenon and how these aspects relate to other more general misconceptions and buggy
rules identified in the literature. This paper reports an in-depth investigation by means of individual semi-standardised
interviews aimed at analysing the thinking process underlying students' improper linear reasoning and how this process is
affected by their mathematical conceptions, beliefs and habits. During these interviews,students' solution processes were
revealed through a number of well-specified questions by the interviewer with respect to one single non-linear application
problem, as well as through their reactions to subsequent kinds of cognitive conflict. The interviews provided a lot of information
about the actual process of problem solving from students falling into the ‘linearity trap’ and the mechanism behind it. Although
some students seem to really ‘believe’ that quantities are always linked proportionally, their improper use of linearity often
results from superficial and intuitive reasoning, influenced by specific mathematical conceptions, habits and beliefs leading
to a deficient modelling process.
This revised version was published online in July 2006 with corrections to the Cover Date. 相似文献
83.
Sarah von der Mühlen Tobias Richter Sebastian Schmid Elisabeth Marie Schmidt Kirsten Berthold 《Reading and writing》2016,29(8):1677-1698
Multiple text comprehension can greatly benefit from paying attention to sources and from using this information for evaluating text information. Previous research based on texts from the domain of history suggests that source-related strategies are acquired as part of the discipline expertise as opposed to the spontaneous use of these strategies by students just entering a field. In the present study, we compared the performance of students and scientists in the domain of psychology with regard to (a) their knowledge of publication types, (b) relevant source characteristics, (c) their use of sources for evaluating the credibility of multiple texts, and (d) their ability to judge the plausibility of argumentative statements in psychological texts. Participants worked on a battery of newly developed computerised tests with a think-aloud instruction to uncover strategies that scientists and students used when reading a text. Results showed that scientists scored higher in all of the assessed abilities and that these abilities were positively correlated with each other. Importantly, the superior performance of scientists in evaluating the credibility of multiple texts was mediated by their use of source information. Implications are discussed in terms of discipline expertise. 相似文献
84.
The results of previous cross-section studies suggest that childhood hearing impairment may lead to parental psychosocial stress. The present study investigated whether modifications in parental psychic state can be ascertained in connection with the child's treatment events and the child's hearing and speech status, in a prospective study design. Data were available on 116 fathers and mothers regarding the pre-cochlear implant examination or hearing aid fitting of their child. In the course of the child's treatment, parental quality of life improved from a low to a normal level. Among children who were at the stage of pre-examination for a cochlear implant, better hearing and speech capacity was linked to more severe impairment of the parental state. It is emphasized that the parents whose children showed comparatively good language development at the time of pre-examination for a cochlear implant were especially subjected to stress. 相似文献
85.
Krell Moritz Redman Christine Mathesius Sabrina Krüger Dirk van Driel Jan 《Research in Science Education》2020,50(6):2305-2329
Research in Science Education - Scientific reasoning competencies are highlighted in science education policy papers and standard documents in various countries around the world and pre-service... 相似文献
86.
Five experiments tested the effects of experience with a white compartment not paired with footshock (CS?) on conditioning of an aversion to a black compartment paired with footshock. As previously found with odors as CSs, a single pairing of the CS+ with footshock yielded significant conditioning only if the animal was also exposed to CS?, with greater conditioning when the CS? exposure preceded the CS+ than when the CS+ preceded the CS?. If, however, the CS? preceded CS+ by a 24-h interval, it was ineffective and no CS+ conditioning occurred. For adult rats, the effectiveness of the CS?/CS+ “integration” progressively decreased with increasing length of the interval separating their occurrence, although it was still significant (i.e., some CS+ conditioning occurred) with a 12-h CS? to CS+ delay. For preweanlings (16 days postnatal), no conditioning to CS+ occurred if the interval between CS? and CS+ was 1 h or longer, although significant conditioning to CS+ did occur with a CS? to CS+ interval as long as 40 min. It was as if active memory for the CS? at the time of CS+ exposure was necessary for CS+ conditioning, and forgetting of the CS? memory proceeded more rapidly for preweanling than for adult rats. Collectively, these experiments extend results previously indicating that (1) the CS+ contiguous to the US may or may not be “selected” for conditioning, depending on the rat’s exposure to, or memory for, a CS?, and (2) this stimulus selection might differ for immature and mature rats. 相似文献
87.
Dirk T. Tempelaar Wim H. Gijselaers Sybrand Schim van der Loeff Jan F.H. Nijhuis 《Contemporary educational psychology》2007
The question of subject-specificity of achievement motivations is important, both for educational psychology, as well as for educational policy. This study contributes to the investigation of the heterogeneity in achievement motivations in the context of the expectancy-value model. Whereas existing research deals with middle and high school students and their motivations for a range of broad domains, this article focuses on university students (n = 264) and subject domains that are more congruent. We adopt an affect-extended version of the expectancy-value model. Using structural equation methods, we are able to decompose achievement motivations in generic and subject-specific components. 相似文献
88.
89.
Jaspers Eva; Lubbers Marcel; de Graaf Nan Dirk 《Int. Journal of Public Opinion Research》2007,19(4):451-473
In this article, we investigate changes in public opinion inthe Netherlands toward two controversial issues: homosexualsand euthanasia. We find that a rapid decrease in oppositionto both issues in the seventies and early eighties was followedby a period of a stable minority opposition. We identify relevantperiod and cohort indicators to test which characteristics areassociated with the changes in the attitudes. We collected periodand cohort characteristics that are applicable to both of theattitudes, but specific attitude-related circumstantial conditionsas well. For both attitudes, it turns out that the changingcomposition of Dutch society with regard to religiousness accountsfor the largest changes in public opinion. Furthermore, we findthat the influence of religion on both the attitude towardseuthanasia and the attitude towards homosexuals became strongerover time, whereas the influence of educational attainment weakenedover time. Received for publication April 13, 2006. Accepted for publication April 23, 2007. 相似文献
90.
Chris Desmond André Viviers Taygen Edwards Kate Rich Patricia Martin Linda Richter 《Early Years: An International Journal of Research and Development》2019,39(3):276-294
The South African National Integrated Early Childhood Development Policy was approved by the South African Cabinet in 2015. Given capacity and financial constraints, all services outlined cannot be implemented in a single step. Priorities must be set. We examine the budget implications (total cost and cost per child) and benefits of the four largest components of the Policy: interventions to improve pregnancy outcomes; home visits for at-risk mothers of children under 2 years of age; community-based playgroups for mothers and children, and center-based early childhood development services. Further, we identify which services are based on the strongest evidence, the value-based trade-offs that characterise the prioritising decisions, and which logistical factors favour alternative orderings of services. The interventions to improve pregnancy outcomes are low cost, based on sound evidence and would make use of the established healthcare infrastructure. Home visits for at-risk mothers are associated with improved development for targeted children and consequential benefits for caregivers and broader society. Playgroups are a promising low-cost intervention, but further evidence is required to determine their effectiveness. Centre-based services are expensive and generate smaller developmental returns, but provide childcare. The results highlight the value judgements required to determine the appropriate sequencing of interventions. 相似文献