The agricultural sector is changing due to the advancing information technologies and the internet. Information is required by agricultural producers which cover all aspects of agricultural production including the processing of agricultural products on-farm or in rural areas. The abundance of agricultural information however does not necessarily imply better informed producers, especially if their information behavioral patterns are not studied. A review of the literature on producers’ information needs and an empirical study on olive and olive oil producers is presented. The theoretical construct of the survey is informed by Wilsons’ macro model of information-seeking behavior. This is employed in order to understand information needs, preferred information resources, as well as obstacles in information seeking of olive and olive oil producers. The survey provides new information behavior results for producers’ information spaces, which in turn are creating a new global business agricultural production model. Through this perspective appropriate information services can be developed in order to meet specific information needs and information behaviors in the agricultural sector. 相似文献
The introduction of Information and Communication Technologies in the print media industry has changed considerable the work process but it has also offered new paths for delivering its content. But trends in the worldwide media industry have clearly shown that in order to guarantee long-term success with audience in the future, it will be vital to change from a single product oriented to a multimedia content and user-oriented approach. This paper examines the use of transmedia reporting in news articles. 相似文献
In a comprehensive empirical investigation (N = 71,405) we analyzed the development of legal expertise in a critical 1-year period of academic legal training in which advanced law students start practicing to solve complex cases. We were particularly interested in the functional form of the learning curve and inter-individual differences in learning. Performance increases monotonically with the number of practice exams following a slightly concave learning curve without any considerable kinks. Considering the performance development over time, however, the curve is not monotonic and shows intermediate drops in performance. We provide evidence which suggests that these drops are due to cyclic drops in motivation. There are about equally sized marginal effects of practicing law exams in general and practicing exams in the specific area of law. However, students with high (vs. low) initial performance profit more from practicing exams within a specific area of law whereas students with low initial performance profit more from practicing exams in general. The concave increase in performance with the number of practicing exams is mainly driven by individuals with low initial performance. Those with high initial performance mainly display a linear learning trend. We discuss the practical implications of these findings for academic legal training. 相似文献
What influence does the teacher exercise over their students' learning outcomes? This study investigates the impact of teacher quality on student learning outcomes in science halfway through the first year of high school. A multiple‐measurement model estimates the potential impact of teacher influence on learning outcomes for 1,060 secondary school students (16‐year‐olds), as well as the influence on student engagement, motivation, and self‐discipline. Teacher quality has a very weak effect on student learning outcomes. However, teacher quality seems to influence student motivation and self‐discipline to a significantly larger extent. Further, there is an indirect effect of teacher quality on learning outcomes in science via student engagement, motivation, and self‐discipline. Holding the science teacher accountable for pupils' learning outcomes is highly problematic. 相似文献
In this study, we aim to explore and thematically analyze higher education teachers’ notions about the most important problems related to students’ learning, including the teachers’ notions about the approaches to learning adopted by students. The study was carried out in Rwanda with 25 university teachers engaged in group interviews. Inspired by the concepts of metaphors for learning and approaches to learning, five main categories of students’ learning problems were identified: dependence, physical and economic resources, experience of a deep approach to learning, reading culture, and previous preparation for higher education. These problems are interrelated and point to the need to understand study levels in education systems as interdependent. 相似文献
The importance of innovation in healthcare has increased within the last decades as challenges, like rising costs and an aging demographic, have to be solved. The degree of innovativeness in healthcare is strongly influenced by the National Health Innovation System, which as a sectoral innovation system encompasses a wide variety of actors and related knowledge. Despite the highly practical relevance of the topic, there are only a few studies that analyze innovation in healthcare on a national level. Thus, this study is a starting point and, building on the theoretical framework of national innovation systems, answers the following questions: “Can countries be grouped by their innovation output in healthcare and do those groups differ in factors describing the healthcare system? Do countries with strong national innovation systems also have strong national health innovation systems and vice versa?” We compare the healthcare innovation output of 30 OECD countries using a multi-indicator approach and categorize them into four distinct groups using cluster analysis. The cluster consisting of the Scandinavian countries, the Netherlands and Switzerland shows the highest innovation output measured in knowledge production and knowledge commercialization. Surprisingly, these countries, with the exception of Switzerland, only rank in the medium group when considering the entire national innovation system. Policymakers and researchers might be particularly interested in studying the healthcare systems of these countries. 相似文献
This study aimed to validate an English version of Basic Psychological Needs Support Questionnaire (BPNSQ) and the Basic Psychological Needs in Physical Education Scale (BPN-PE) in the physical education context. Participants included 453 students aged between 12 and 17 years. For the BPNSQ, the hypothesized three-factor solution displayed high interfactor correlations (rs > 1), and a follow-up analysis indicated that the items were represented by a single need-support factor. For the BPN-PE, hypothesized three-factor solution was supported. Both scales were found invariant across gender, and the nomological validity was also demonstrated through the associations between factors of both scales. This study provides initial support for the use of the BPN-PE to assess psychological need satisfaction within the physical education context among English-speaking adolescents. The hypothesized three-factor structure of the BPNSQ was not supported and more research is needed to evaluate the English version in the physical education context. 相似文献
Bubble formation during scuba diving might induce decompression sickness.
This prospective randomised and double-blind study included 108 advanced recreational divers (38 females). Fifty-four pairs of divers, 1 breathing air and the other breathing nitrox28 undertook a standardised dive (24 ± 1 msw; 62 ± 5min) in the Red Sea. Venous gas bubbles were counted (Doppler) 30–<45 min (early) and 45–60 min (late) post-dive at jugular, subclavian and femoral sites.
Only 7% (air) vs. 11% (air28®) (n.s.) were bubble-free after a dive. Independent of sampling time and breathing gas, there were more bubbles in the jugular than in the femoral vein. More bubbles were counted in the air-group than in the air28-group (pooled vein: early: 1845 vs. 948; P = 0.047, late: 1817 vs. 953; P = 0.088). The number of bubbles was sex-dependent. Lastly, 29% of female air divers but only 14% of male divers were bubble-free (P = 0.058).
Air28® helps to reduce venous gas emboli in recreational divers. The bubble number depended on the breathing gas, sampling site and sex. Thus, both exact reporting the dive and in particular standardising sampling characteristics seem mandatory to compare results from different studies to further investigate the hitherto incoherent relation between inert gas bubbles and DCS. 相似文献
Tertiary Education and Management - The paper investigates the experience of employed higher education graduates in two countries with high rates of graduate unemployment. It examines the... 相似文献
A common assumption about Freshmen Learning Communities (FLCs) is that academic relationships contribute to students’ success. This study investigates how students in learning communities connect with fellow students for friendship and academic support. Longitudinal social network data across the first year, collected from 95 Dutch students in eight FLCs, measure both social and academic relational choices within and beyond the FLCs. Using stochastic actor-based models, the study tests two competing hypotheses. The alignment hypothesis states that students connect with their similar-achieving friends for both academic and social support, leading to an alignment of both types of networks over time. In contrast, the duality hypothesis states dissimilarity between academic support networks and friendship networks: students should connect with better-achieving fellow students for academic support and to more similar peers for friendship. The data support the alignment hypothesis but not the duality hypothesis; in addition, they show evidence of achievement segregation in FLCs: the higher the students’ achievement level, the more they connect with other students for both academic support and friendship, relating in particular to peers with a similarly high achievement level. The results suggest that lower-achieving students are excluded from the support provided by higher-achieving students and instead ask similar lower achievers for support. They thus cannot benefit optimally from the academic integration FLC offer. The article concludes with recommendations of how to support students in an FLC so that they can reach optimal achievement potential. 相似文献