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21.
Agorram Boujemaa Clement Pierre Selmaoui Sabah Khzami Salaheddine Chafik Jamal Chiadli Abdellatif 《美中教育评论》2010,(2):9-15
Concepts of genetics are often difficult to teach, specifically the central concept of gene. Even the scientists disagree when defining this concept. This paper investigates university students' understanding about the gene and its functions. The results show the dominance of two conceptions of the gene: the Neoclassical model and the Mendelian model. The existence of hybrid conceptions and the lack of the modern model show that students are unable to mobilize the knowledge taught in biology. These results suggest to improve the teaching methods of genetics, for instance, by developing activities that bring students face to face with their conceptions. 相似文献
22.
Data on medical problems were collected on 262 children attending special schools for persons having intellectual impairments in Jordan. The results indicated that various medical problems were relatively common among the study subjects. The results also showed that prevalence rates of medical problems were higher among younger, female children with more severe intellectual impairments. 相似文献
23.
How can we assess the opportunity that students have to learn the material they find on tests? How do students' perceptions of opportunity to learn differ from their teachers? 相似文献
24.
Alan J. Penny Mehru Ahmed Ali Iffat Farah Sissel Ostberg Robert L. Smith 《International Journal of Educational Development》2000,20(6):443-455
This paper seeks to offer insights into the complexities involved in cross-national collaborative research. It identifies and provides an account of the various issues running through the research process, whilst at the same time derives principles upon which such work should be based. Key narratives were identified by highlighting a number of critical incidents. These narratives were related to issues of ownership, trust, and power, whilst in the course of theorising the research process itself, the metaphors of voice and crossing borders were found to be profoundly empowering and transformative. The complexities of working cross-nationally in the research group, understanding roles, clarifying professional frames and ethical values, at the same time as creating and maintaining a context for effective partnership and participation, made managing and sustaining the research process challenging. 相似文献
25.
This study aimed at examining Jordanian pre-service special education teachers’ professionalism and preparation on the topic of child sexual abuse (CSA). Qualitative research data from interviews with 20 pre-service special education teachers were analysed using thematic analysis. The results showed that these participants generally hold avoiding behaviour toward speaking about CSA as it is an unspoken taboo. Participants also hold low levels of professionalism on the topic of CSA. The results also demonstrate that they felt that their preparation programme is inadequate and desired more content and pedagogy courses that relate to CSA. Implications and recommendations are presented in light of the study findings. 相似文献
26.
This study presents a model for predicting the low-cycle fatigue life of steel reinforcing bars using Artificial Neural Network (ANN). A Radial Basis Function (RBF) artificial neural network topology with two additional hidden layers and four neurons (processing elements) in each of these layers is used. The input parameters for the network are the maximum tensile strain (εs,max) and the strain ratio (R) and the output of the ANN is the number of cycles to fatigue failure (Nf). Low-cycle fatigue tests were conducted by the authors in a previous study for different types of steel reinforcing bars subjected to different strain amplitudes and at different strain ratios. The data resulted from these tests were used to train and test the ANN. It is observed that the ANN prediction of low-cycle fatigue life of steel reinforcing bars is within ±2 cycles of the experimental results for the majority of the test data. A parametric study had been carried out to investigate the effect of maximum strain and strain ratio on the fatigue life of steel reinforcing bars. It is concluded that both the strain ratio and the maximum strain have significant effect on the low-cycle fatigue life of such bars, especially at low values of maximum strain and their effect should be considered in both analysis and design. Other observations and conclusions were also drawn. 相似文献
27.
Awadallah N Vaughan A Franco K Munir F Sharaby N Goldfarb J 《Child abuse & neglect》2005,29(8):931-941
The history of an older child victim of Munchausen by proxy (MBP) is described. He was referred for evaluation after repeated sinus surgeries for recurrent sinus infections believed to be related to a falsified history of an immunodeficiency. The perpetrator was the mother of this 14-year-old victim, consistent with the majority of such cases. This case prompted a review of cases of MBP in older children reported in our hospital as well as a literature search for other cases in older children. METHODS: This study was a chart review of children over 6 years of age who had been evaluated by social services at the Children's Hospital at the Cleveland Clinic and reported as cases of Munchausen by proxy to Child Protective Services between January 2001 and June 2003. Also, an OVID, Psychline, and Pubmed literature review of published cases of Munchausen by proxy were identified, and cases occurring in the older child were selected for review. RESULTS: Older children who are the victims of Munchausen by proxy may have an induced illness, but falsified reports of symptoms and medical history to coerce the child to undergo medical procedures may be more common. Collusion of the victim with the perpetrator may also become a factor as the child ages and adopts the deception. Given the complex relationship that exists between the parent and child, it is difficult to predict whether the victim either will assist the caregiver in maintaining the factitious illness or be able to recognize the falsification. CONCLUSIONS: Older children who are the victims of Munchausen by proxy may fear consequences of revealing the factitious illness. Physicians must consider the possibility of this diagnosis whenever there are discrepancies in a child's illness that makes a factitious illness a consideration. 相似文献
28.
Guido Veronese Alessandro Pepe Jamal Dagdukee Shaher Yaghi 《Teachers and Teaching》2018,24(8):951-964
Informed by a perspective centred on psychological health and well-being, the present research investigated whether teachers’ overall well-being was influenced by their affect balance, as well as the extent to which both affect and well-being are influenced by social capital, in conflict-ridden areas such as the occupied Palestinian Territories (Gaza Strip and West Bank). The study involved three cohorts of Palestinian teachers working in Israel, Gaza and the West Bank, respectively (N = 153). Dynamics of social exclusion, religious difference, educational disparity, poor educational standards and a lack of opportunity are factors affecting Palestinian teachers in both Israel and the occupied Palestinian territories. The results supported the hypothesis that emotional balance directly influences teachers’ well-being. Teachers with higher levels of positive affect reported greater personal well-being than those with higher levels of negative affect. Social capital also positively influenced teachers’ personal well-being, both directly, and indirectly by fostering positive emotions. These results suggest that availability of community resources plays a key role in promoting teachers’ well-being. 相似文献
29.
Smiddy Nieuwenhuis Tieme W. P. Janssen Denise J. van der Mee Farah A. Rahman Martijn Meeter Nienke M. van Atteveldt 《Mind, Brain, and Education》2023,17(2):123-131
Growth mindset, the belief that personal attributes such as intelligence are malleable, has previously been related to more effort investment. Here, we investigated how undergraduates' mindset (N = 114) relates to the choice to invest effort during an arithmetic task, indexed by whether they make low vs. high effort-related choices. Social cognitive theory suggests that past performance experiences (mastery vs. failure) and physiological state are important sources for competence self-evaluations. Therefore, in addition to mindset, we also investigated how effort-related choices are influenced more dynamically, by failures and physiological responses during the task. Growth mindset and physiological effort mobilization did not predict effort-related choices but making mistakes did predict lower effort choices in the subsequent round. This study further supports the importance of mastery experiences for effort investment and provides a novel approach for integrating different levels of influence on effort-related choices during an educationally-relevant task. 相似文献
30.
INTRODUCTION The objective of greenhouse environment controlis to create an ideal climatic condition for plant growth.The interior air temperature is the most importantcontrol factor. Generally, heating facilities must beinstalled in the greenhouse in order to make the inte-rior air meet the need of the crop in cold days. Hotwater heating is the prevailing method. In order tosave energy, precise temperature control is necessary(Chalabi et al., 1996). For precise control of interior… 相似文献