Black Board Research Articles

手持式拉曼光谱仪探头系统的杂光抑制新方法

Handheld Raman spectrometer probe system shares the same optical configuration for illumination and light receiving. Thus, stray light caused by multiple reflections of laser, expect for Rayleigh scattering, is a problem to be solved for this kind of probe system. By real ray tracing method, setting up reasonable stray light analysis model and theoretical calculation, we get the total stray light information, together with our actual prototype structural data, such as the size and location of focus, emergent direction, energy in the slit and so on. Then a new approach of stray light suppression for spectrometer probe system that uses black board to block the stray light is proposed. The size and location of the black board are determined according to the analysis of the stray light. The optical simulation analysis results show that the black board suppresses stray light to the level of 10-13 in Raman spectral region. This satisfies the requirements of the handheld Raman spectrometer. With black board method, almost 50% of the laser reflection with incidence angle larger than 2 on the notch filter can be filtered.

Evaluation of teaching by students of a professional institution.

Evaluation of teaching by students of a professional institution.

Black Board Struggles: Teacher Unionism Under the ‘Democratic’ Rawlings Regime 1992-2000

Black Board Struggles: Teacher Unionism Under the ‘Democratic’ Rawlings Regime 1992-2000

Black Board Struggles: Teacher Unionism Under the ‘Democratic’ Rawlings Regime 1992-2000

Black Board Struggles: Teacher Unionism Under the ‘Democratic’ Rawlings Regime 1992-2000

SURVIVAL OF THE STRESSED

A nearby predator eyeing you up for their next meal is undoubtedly enough to kick-start a stress response in all but the very coolest of us – after all, who wants to be eaten? And although stress can bring with it many disadvantages, in the face of a hungry predator it could mean the difference between life and death, and is thought to cause the famous fight-or-flight response. However, in recent years it has proved difficult to directly link the stress response with a change in behaviour, and in some animals the stress response seems out of sync with the behavioural response. As stress responses in animals can be quite complex, Shelley Adamo, from Dalhousie University, Canada, decided to turn to the simpler cricket to see whether their stress response caused a change in behaviour (p. 4608).To begin with, Adamo, along with the help of undergraduate students Ilya Kovalko and Brianna Mosher, allowed crickets to wander around a cross-shaped maze free from any threats. Two of the arms were covered in black board to provide shelter, and the team then recorded how long the crickets spent in both the open and sheltered areas.Next, the team wanted to induce a stress response in their crickets. To do this, the trio exposed some of their crickets to a moving robotic toy hamster that mimicked a potential predator. They also injected some of their crickets with octopamine, a stress response chemical very similar to noradrenaline. After placing the crickets back in the cross-shaped maze, the team found that crickets that had been previously stressed by the moving robotic hamster or those that had been injected with octopamine spent more time hidden in the sheltered areas than before their stress treatment.To test how the stress response may help in a real-life predator–prey situation, the team next placed their crickets into an open maze setup alongside an additional participant – a bearded dragon with a taste for crickets. They found that crickets that had been previously stressed were much less likely to be eaten than their unstressed friends, who often froze in the open, making them an easy target for the hungry bearded dragon. So being stressed does help sometimes!

Perceptions and preferences of medical students regarding teaching methods in a Medical College, Mangalore India

In the complex setting of a medical school it becomes essential to utilize an approach to teaching and learning that is best suited to the needs of the students. In developing countries like India, where there is an exponential increase of institutions catering to medical students, it becomes a challenge to teach to large number of students per class. Hence, research is needed to identify the needs of students in relation to their day to day learning activities. To understand the preferences and perception of medical students about the current methods of teaching, aids used for teaching and also identify barriers in learning as perceived by the students. A Cross-sectional study was carried out at Kasturba Medical College, Mangalore during May 2012. Study participants included 2(nd) and 3(rd) year medical students. A semi-structured questionnaire was used to collect the information in relation to preferences and perceptions regarding teaching methods utilized for theory and clinical teaching. SPSS version 11.5 was used for analysis of data. The association between variables of interest was tested using Chi-square test. A total of 286 students (56.6 % females and 43.4% males) participated with a dropout rate of 10.6%. The study revealed that 71.3% of the students had an attendance above 75%. The most preferred teaching method was Problem Based Learning (PBL) (71.4%) as students felt that it enhanced lateral thinking while Didactic Lectures was the least preferred (32.8%). The most preferred modality of teaching aid was found to be Black board preferred by 46.9% students. In learning rare signs and cases, students preferred video lectures (41%) and mannequins (75.9%) in learning clinical skills. The main barrier in theory learning identified was inappropriate teaching methods (15%) and being new to clinical posting (38.5%) in case of learning clinical skills. The findings of the study suggest that a combination of traditional methods with other methods such as PBL, video lectures and mannequins could be an effective way of teaching theory and clinical skills.

James Clerk Maxwell, a modern educator

James Clerk Maxwell, a modern educator

The Case Study of Simulation of Power Converter Circuits Using Psim Software in Teaching

Involvement of software in teaching is provide a batter support, more clear and visual operation of complex circuits and waveforms to the faculty of power electronics in classroom teaching. The software packages available for simulation of power electronic circuits are MATLAB, PSPICE and PSIM and many more. Use of the software in classroom teaching is provide an additional support to the faculty and its better then the time consuming black board practice. This paper provides a case study of power electronics circuits in PSIM software. Different power electronics converters model are prepared on PSIM software and generate simulation waveforms. This paper is helpful for the faculty of electrical engineering to find the applications of PSIM in teaching.

The Perceptions In Respect To The Education Projects In Province Of The Teachers' In Charge Of The Elementary Schools

Nowadays, there are important events such as the black board replaced by the smart board, the textbooks replaced by tablet computers and a dazling speed of change occured in education process. But, it has been seen that all of these changes could be succeded by the all stakeholders' heart and brain power and theirs the strong believes in change. Change is taking place so quickly, the teachers named the actors of the education scene, how they share their point of change and, most importantly believe in the necessity of change? In this study, we have tried to find out the answers to questions mentioned above. As a result, we tried to ascertain the perceptions about education change efforts of teachers served in primary schools. In the study, the general survey model named descriptive research method was conducted. The frequency and percentage values were used in the resolution of data. The differences of teachers' gender, seniority, academic background, branch were compared by T-test; seniority, branch, academic background were compared by one factor variance analysis form (ANOVA) and multi dimensional comparing was used by Scheffe method. According the result of research, the teachers have seen themselves open to the change efforts. They have thougt that Increasing The Success In Education Project In Sakarya (ISEPS) and other projects were usable, resultable and had the tendecy to increase the success in education. However they have pointed out that, the change efforts were not planned, their opinions were not taken and there were difficulty to study on more than one project at the same time. They explained that these attitudes mentioned above prevented the change efforts in education. There have been meaningful diffirence among the teachers' seniority, the realization level of project and ISEPS, the motivation and communication levels.

Assessment of Central Processing Ability after Attending Theory Classes with Various Teaching Aids

Context: In undergraduate medical education, one hour theory classes are integral part of teaching activity. Previously it was carried out by using black boards but now various teaching aids are available. Aim: Study was planned to know the status of central processing ability after attending classes having various teaching aids. Material and Method: Twenty (20), 2nd MBBS students were included in the study. Central processing ability was evaluated using Arithmetic Ability Test (AA). Subjective performance was assessed using Visual Analogue Scale (VAS) before and after theory classes with teaching aids. Statistical Analysis: Paired't' test was used for analysis of the data. Results: Statistically significant impairment in the performance was observed after attending the Over Head Projector (OHP) p= 0.0019, Power Point (PPT) p= 0.0023 and Black Board (BB) p= 0.0016 classes. Alteration in the performance was not significant after attending the classes with OHP along with BB and PPT along with BB. Significant differences were observed in all the three VAS after attending PPT and OHP along with BB classes and after PPT along with BB class in the VAS-2. Conclusions: It can be concluded that mixing of OHP or PPT along with BB during the lecture is better method and central processing ability is best after attending such classes. Mixing of OHP or PPT along with BB during the lecture is better method of undergraduate teaching.

Comparative study on teaching of bioethics to health care persons using different methodologies

IntroductionBioethics has gained lots of importance in the present days and especially very important in the field of medical research. Doctors, medical students, nursing staff and other paramedical staff are directly or indirectly involved in the clinical and research activities. A proper training in bioethics is very essential especially for medical students nursing and other paramedical staff. There are various teaching methodologies like a black board (lecturing), power point presentations, case discussions, group discussions and film/movie clipping related to bioethics.Each of the teaching methodology is effective in a particular group.Materials and MethodsFour different teaching methodologies were used to teach bioethics in four different categories namely MBBS students, doctors/interns, nurses and lab technicians. All were exposed to all types of teaching methodology. An evaluation was done by performance based and choice based evaluation system.ResultsCase discussion was most popular choice of MBBS students and Doctors/Interns. Among nurses and lab technician's film discussion was best in terms of performance and choice.Bioethics covers more about abstract issues related to the health discussion on this topic help in better understanding and clarification.

ENHANCING A LEARNING MANAGEMENT SYSTEM TO TRACK ATTENDANCE USING RFID

Over 95 percent of institutes of higher education in the U.S. have a learning management system (LMS) in place. Blackboard (BB) is one of the most widely used LMS and has a building block (freeware) that provides the ability to manually record and track attendance of students in different courses. This paper describes a RFID system that was developed in-house that automated the process of recording students' attendance in the existing attendance system on Blackboard.

Perception of postgraduate students on teaching aids

Aim: To obtain feedback from the postgraduate students on their perception of various lecture delivery methods use in Regional Institutes of Medical Sciences (RIMS), Imphal. Materials and Methods: The study was conducted among the postgraduate students in RIMS. A questionnaire was circulated among 109 randomly selected postgraduate students from different departments and was asked to tick appropriately the teaching aids and the methods, which were preferred. Results: The majority of the postgraduate students (66.05%) preferred power point (PPT) presentation, while 22.21% of the students preferred the lecture using blackboard (BB) and 11.73% preferred overhead projector transparency (OHPT) for teaching. Some important comments of the students were also recorded. Conclusion: The postgraduate students clearly preferred the use of PPT presentation over the other methods. It also appears that in the hands of a trained teacher, any teaching aid would be appropriate and effective.

Application of BlackBoard(BB)network teaching platform in physiology teaching

BackBoard(BB)network teaching platform was established in physiology teaching in order to assist traditional teaching with modern information technologies.BB network teaching platform applied multimedia,domestic and foreign teaching resources,online test,interactive forum and problem based learning mode.Converting internet to efficient education environment will not only fully promote students'understanding and widen their thoughts,but also improve the teaching quality.Meanwhile,BB network teaching platform is featured in diversity,stereo,information and interaction. Key words: Physiology; BlackBoard(BB)network teaching platform; Modern information technology

A Questionnaire Based Survey from First Year M.B.B.S. Students About Teaching Learning Methods of Physiology in Private Medical College

Background- Time to time evaluation of medical curriculum by experts is the routine practice in medical education. However the student’s perception and opinion about the teaching - learning methodology is equally important because it is meant for them. So, evaluation of teaching -learning methodology by the students in a medical college may further help in modification and construction of the medical curriculum. Considering these facts the present study is undertaken. Objectives- To understand the preferences and perception of medical students about the current methods of teaching and learning, aids used for teaching and also the qualities of the teacher influencing them . Materials and Methods: A detailed structured questionnaire was given to 100 students of 1st year in a our institution. Descriptive statistics were used for analysis of data. Frequency was expressed as percentage. Results - A total of 100 students (54 % males and 46% females) participated in this study. The most preferred teaching method was small group discussion (57%) while practical was the least preferred (18%). The most preferred learning method was tutorials (49%) and quiz programme (42%) while student seminar was the least preferred (9%).The most preferred modality of teaching aid was found to be Black board preferred by 34% students followed by Over Head projector (OHP) and PowerPoint Presentation(PPT). The most influencing quality of the teacher was the ability to teach (42%) and knowledge(38%) followed by enthusiasm(31%), while the personality was least preferred ( 6%). Conclusion- The results generated in this study suggests that students prefers active learning which should be student centered. Also the traditional chalk and board method with a blend PPT and quiz programme is appealing to the students. So, by using various methods appreciated by the students the teaching and learning of physiology can be made effective , interesting and enjoyable .

Electronic Support for Students Basic Training in Graphics with Black Board Environment

The description of the basic training process in graphics of engineering students in e-learning environment based on Black Board is given.

An educational intervention study on adolescent reproductive health among pre-university girls in Davangere district, South India

Background: Sex education should be an integral part of the learning process, beginning in childhood and continuing into the adult life. The 1994 international conference on population and 1995 fourth world conference on women held in Beijing recommended educational services for adolescents in a friendly environment. Objectives: 1. To know about the reproductive health awareness, like adolescent reproductive health by a pre-test, among pre-university girls (XI and XII standard). 2. To study the change in knowledge after the educational intervention by post-test. Materials and Methods: The study was conducted in pre-university colleges present in Davangere city. A pre-structured proforma was used to assess the existing knowledge, which consists of both open-ended and close-ended questions on growth and development during adolescence, pregnancy, and Sexually Transmitted Infections (STI) including HIV/AIDS. Educational intervention was done on the second day with the help of posters, printed materials, flip charts, Overhead Projectors (OHPs), and black board. One week after the educational intervention, post-test was conducted to know the change in the knowledge. Results: For a majority of them, the source of information about the above-mentioned aspects was television, followed by magazines. About 98% of them preferred doctors for getting sex education. There was overall significant change in knowledge (P<0.001, HS) after educational intervention. Conclusion: There were substantial lacunae in the knowledge about reproductive health among the study group. After educational intervention, there was significant change in the knowledge. Students felt that sex education is necessary in school and should be introduced in the school syllabus.

OPEN QUESTIONS ON SHANAHAN'S WORKSPACE

International Journal of Machine ConsciousnessVol. 03, No. 02, pp. 339-341 (2011) Collective Review of the Book: "Embodiment and the Inner Life – Cognition and Consciousness in the Space of Possible Mind" by Murray Shanahan, Oxford University Press, 2010No AccessOPEN QUESTIONS ON SHANAHAN'S WORKSPACEPENTTI O. HAIKONENPENTTI O. HAIKONENDepartment of Philosophy, University of Illinois at Springfield, One University Plaza, Springfield IL 62703, USAhttps://doi.org/10.1142/S179384301100073XCited by:0 PreviousNext AboutSectionsPDF/EPUB ToolsAdd to favoritesDownload CitationsTrack CitationsRecommend to Library ShareShare onFacebookTwitterLinked InRedditEmail References B. J. Baars , In the Theater of Consciousness ( Oxford University Press , New York, Oxford , 1997 ) . Crossref, Google Scholar P. O. Haikonen , The Cognitive Approach to Conscious Machines ( Imprint Academic , UK , 2003 ) . Google Scholar P. O. Haikonen , Robot Brains: Circuits and Systems for Conscious Machines ( Wiley and Sons , UK , 2007 ) . Crossref, Google ScholarG. Hesslow, Trends in Cognitive Science 6, 242 (2002). Crossref, ISI, Google Scholar M. Shanahan , Embodiment and the Inner Life ( Oxford University Press , UK , 2010 ) . Google Scholar FiguresReferencesRelatedDetails Recommended Vol. 03, No. 02 Metrics History PDF download

黒板・白板・模造紙・掛図

黒板・白板・模造紙・掛図

Context Aware Multisensor Image Fusion for Military Sensor Networks using Multi-Agent system

This paper proposes a Context Aware Agent based Military Sensor Network (CAMSN) to form an improved infrastructure for multi-sensor image fusion. It considers contexts driven by a node and sink. The contexts such as general and critical object detection are node driven where as sensing time (such as day or night) is sink driven. The agencies used in the scheme are categorized as node and sink agency. Each agency employs a set of static and mobile agents to perform dedicated tasks. Node agency performs context sensing and context interpretation based on the sensed image and sensing time. Node agency comprises of node manager agent, context agent and node blackboard (NBB). Context agent gathers the context from the target and updates the NBB, Node manager agent interprets the context and passes the context information to sink node by using flooding mechanism. Sink agency mainly comprises of sink manager agent, fusing agent, and sink black board. A context at the sensor node triggers the fusion process at the sink. Based on the context, sink manager agent triggers the fusing agent. Fusing agent roams around the network, visits active sensor node, fuses the relevant images and sends the fused image to sink. The fusing agent uses wavelet transform for fusion. The scheme is simulated for testing its operation effectiveness in terms of fusion time, mean square error, throughput, dropping rate, bandwidth requirement, node battery usage and agent overhead.