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111.
The problem was concerned with the extent to which cognitive/linguistic functions and domain-specific strategies could predict readers’ text comprehension when working with science texts. Six hypotheses were stated and tested in two prediction studies (N=101 eighth-graders), and one experiment (N=8 pupils of same age). Handal’s reading test was used for classifying pupils into good and poor readers. Two texts, one with a known subject and another with an unknown theme were imposed pupils as science reading tasks. Questionnaires and tests concerning cognitive and linguistic functions were used as independent variables in the prediction studies. Two different tests were used as independent variables (for text comprehension) in all of the three studies, and one additional criterion test (writing essays on main ideas in the texts) was applied in the experient. The experiment was organized as a 2x2 factorial design where text type and reading skill were the factors. According to the results, 5 of the 6 hypotheses could not be rejected, i.e., general concept information was the most significant predictor of science text comprehension. Furthermore, text based on a subject known to the reader always surpassed text with an unknown subject as to text comprehension. Similarily, across-domain strategies were more closely related to reading comprehension than domain-specific strategies.  相似文献   
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Argumentation skills play a crucial role in science education and in preparing school students to act as informed citizens. While processing conflicting scientific positions regarding topics such as sustainable development in the domain of ecology, argumentation skills such as evaluating arguments or supporting theories with evidence are beneficial for developing deep understanding and well-grounded conclusions. We developed a 50-min training intervention to foster argumentation skills in the domain of ecology on topics related to sustainable development and analyzed its effects in a control-group design: (a) training intervention to foster argumentation skills (n = 41), (b) no such training intervention (n = 42). Results showed that this short-term training intervention successfully fostered three components of argumentation skills (i.e., evaluative knowledge, generative knowledge, and argument quality) and declarative knowledge about argumentation. The positive effect on declarative knowledge was stable 1 week after the training and it was mediated by learning processes during the training intervention: self-explaining the principles of argumentation underlying the video-based examples mediated the effect on declarative knowledge 1 week after the training. In short, the training intervention is an effective instructional method to enhance argumentation skills as well as declarative knowledge about argumentation.  相似文献   
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This article investigates how schoolteachers’, school leaders’ and college teachers’ involvement affects placement schools as professional learning communities. Norwegian teacher education is used as a case. The first part builds on a survey among schoolteachers and mentors at 111 placement schools in Norway. It documents great variety in the level of engagement. Interviews with mentors, school leaders and college teachers reveal how cooperation between colleges and placement schools, as well as the school leaders’ commitment, influences the quality of placement. The school leaders’ role proves to be important in developing the schools as professional learning communities, and they seem to have a significant impact on the work of the mentors. The data also show that there is a need for a more substantial cooperation between college teachers and mentors about the student teachers’ professional development as well as a need for a more systematic integration of learning in the two learning contexts.  相似文献   
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Providing prompts to induce focused processing of the central contents of instructional explanations is a promising instructional means to support novice learners in learning from instructional explanations. However, within research on the expertise reversal effect it has been shown that instructional means that are beneficial for novices can be detrimental for learners with more expertise if the instructional means provide guidance that overlaps with the internal guidance provided by the prior knowledge of learners with more expertise. Under such circumstances, prompts to induce focused processing might even be detrimental for learners with expertise whose prior knowledge already provides internal guidance to learn from explanations. On this basis, we aimed at experimentally varying expertise by developing prior knowledge. Specifically, we used a preparation intervention with contrasting cases to enhance learners’ prior knowledge (expertise). Against this background, we tested 71 university students in a 2 × 2 factorial experimental design: (a) Factor of expertise. Working with contrasting cases to develop prior knowledge and expertise to provide internal guidance to learn from instructional explanations (with vs. without), (b) Factor of prompts. Prompts to induce focused processing of the explanations (with vs. without). The results showed that prompts to induce focused processing fostered conceptual knowledge for novice learners whereas prompts hindered the acquisition of conceptual knowledge for learners with expertise that was developed by working with contrasting cases beforehand. Moreover, measures of subjective cognitive load and learning processes suggest that the instructional guidance provided by prompts compensated for the low internal guidance of novice learners and overlapped with the internal guidance of learners with expertise.  相似文献   
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The goal of this article is to examine the strategic choices of firms collecting consumer data online and to identify the roles and obligations of the actors within the current network of online tracking. In doing so, the focus shifts from placing the onus on individuals to make an informed choice, to justifying the roles and responsibilities of firms when gathering, aggregating, and using consumers' interests or behavior online. Firms online are uniquely positioned to undercut or to respect privacy expectations within three possible roles: as a member of a supply chain of information traders, within a network of surveillance online, and as an arm of law enforcement. These firms benefit from aggregating and analyzing consumer data and have an associated responsibility to not only minimize the harm to consumers but also to enact change where the firm is in the most knowledgeable and powerful position.  相似文献   
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Observational measures can add objective data to both research and clinical evaluations of children’s behavior in the classroom. However, they pose challenges for training and attaining high levels of interrater reliability between observers. The Behavioral Observation of Students in Schools (BOSS) is a commonly used school-based observation instrument that is well adapted to measure symptoms of attention deficit/hyperactivity disorder (ADHD) in the classroom setting. Reliable use of the BOSS for clinical or research purposes requires training to reach reliable standards (kappa?≥?0.80). The current study conducted training observations in one suburban and one urban elementary school in the Greater Boston area. To enhance interrater reliability and reduce training time, supplemental guidelines, including 30 additional rules to follow, were developed over two consecutive school years. The complete protocol was then used for training in the third school year. To reach sufficient interrater reliability (kappa?≥?0.80) during training, 45 training observations were required in the first year while, in the third year, only 17 observations were required. High interrater reliability was sustained after training across all three school years, accumulating a total of 1,001 post-training observations. It is estimated that clinicians or researchers following this proposed protocol, who are naive to the BOSS, will require approximately 30 training observations to reach proficient reliability. We believe this protocol will make the BOSS more accessible for clinical and research usage, and the procedures used to obtain high interrater reliability using the BOSS are broadly applicable to a variety of observational measures.  相似文献   
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The increased development and use of electronic and information technology in higher education raises questions about accessibility for individuals with disabilities. In academic libraries, providing accessible electronic information resources ensures equal access and opportunity to information. This article provides a contextual understanding of accessibility in higher education as well as strategies for evaluating, negotiating, and procuring accessible electronic resources licensed through third party vendors.  相似文献   
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