Actual Classroom vs. Virtual Classroom - 1751 Words

The Actual Classroom versus the Virtual Classroom The Actual Classroom versus the Virtual Classroom The 21st century is marked by an exponential and perhaps algorithmic increase of the presence and use of technology in daily life on the microcosmic and macrocosmic levels. An intersection between these two aspects of life is the subject of this paper. The debate over online education versus traditional classroom education used to be a joke. Twenty years ago, even as much as ten years ago, most people who argued for the validity and credibility of online education relative to traditional education were not taken seriously, ridiculed, and mocked. Within the last several years specifically, the debate has not only intensified, but in some cases, the tides have turned. The debate between those who prefer or advocate for online education and those who argue for traditional education has increase in its nuance and depth. The paper engages this debate offering perspective from both sides of the debate to ultimately argue that variety of exp erience and use of technology in education is what is most valuable. A prominent aspect in the debate over which is the better education experience is the issue of freedom and structure. Online education is most often used toward undergraduate degrees, graduate degrees, and various certifications. There is yet to be a purely online elementary school, middle school, or high school for example. Therefore, the discussion regarding the onlineShow MoreRelatedEssay on Distance Learning vs. the Traditional Classroom1550 Words   |  7 PagesDistance Learning vs. the Traditional Classroom Non-traditional students are finding it easier and easier to maintain a job, a family, and pursuing a college career at the same time. This is possible because more and more non-traditional students are receiving an education using distance learning, as opposed to traditional, in-the-classroom teaching. Distance learning is basically taking college level, credit-bearing courses via the Internet. One of the most obvious advantages of distanceRead MoreEssay on Distance Learning vs. Traditional Classroom Comparative1573 Words   |  7 PagesDistance Learning vs. the Traditional Classroom Non-traditional students are finding it easier and easier to maintain a job, a family, and pursuing a college career at the same time. This is possible because more and more non-traditional students are receiving an education using distance learning, as opposed to traditional, in-the-classroom teaching. Distance learning is basically taking college level, credit-bearing courses via the Internet. 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ThisRead MoreComputer Network : A Means Of Extending Interoperability And Promoting Self Productivity Through Sharing Of Computer Resources Essay9852 Words   |  40 Pagesnetworking includes healthcare, defence, education, banking and finance amongst others(ref.). Education has been improved due to the recent advances in technology which includes virtual classroom over the internet, e-granular library and e-tests amidst others. Small office home office network (SOHO) also known as virtual network which is a special form of local area netwo rk (LAN) can be exploited in various ways which includes file and printer sharing, web-serving, disk sharing amongst others. AlthoughRead MorePersuasive Essay - Distance Education Versus Face-to-Face Learning1853 Words   |  8 PagesDecember 1, 2009 Persuasive Essay – Game Theories Has Virtual Reality Taken Things Too Far? 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Taxonomies are concerned with distinguishing different types of transfer, and therefore less involved with labeling the actual vehicle of transfer, i.e., what is the explanatory mental unit of transfer that is carried over. Hence, a key problem with many transfer taxonomies is that they offer an excessive number of labels for different types of transfer without engaging in

Correlation Between Media Multitasking And The Differences...

Abstract This article investigates the correlation between media multitasking and the differences of working memory and long-term memory in heavy media multitaskers and low media multitaskers. The data was collected from one hundred forty three participants ranging in ages from 18-35. The study was conducted from the Stanford University community. The researchers of this study explore the possibilities of multitasking in relation to working and long-term memory. The results showed that there were four significant findings. A limitation of this study was that the correlation of student academic outcome and media multitasking was used only by a correlation design study. Although, this design suggests that a relationship exist between two variables, the study cannot prove that one variable had a negative or positive effect change in another variable. Keywords: media multitasking index, HMMs (heavy media multitaskers), LMMs (light media multitaskers) Media Multitasking and Memory: Differences in Working Memory and Long-Term Memory The world is overrun with the media and multitasking. Therefore, with information so readily accessible that it seems almost impossible for your working and long-term memory to retrieve and hold memory in the mind. This article investigated how the attention of impulse relates to the level of which participants multitasked with the media. The study hypothesized that frequent multitasking induces psychosocial and cognitiveShow MoreRelatedThe Performance Of Students With Disabilities2329 Words   |  10 Pagesto have mastered executive functions which are the cognitive processes that serve a myriad of purposes in helping us select and achieve goals or to develop problem solutions. They include skills such as planning, organizing, time management, working memory, metacognition, response inhibition, self-regulation of affect, task initiation, flexibility, and goal-directed persistence (Dawson Guare, 200 4) which assist us in finishing our work and result in purposeful, goal directed behaviors that impactRead MoreEffects of Multimedia to Students5436 Words   |  22 PagesHISTORY: The scientific study of media effects has led researchers down the road of video game effects. From both a social and psychological standpoint, video games have the ability to influence their players both on implicit and explicit levels. The popularity of video and computer games has grown exponentially in recent years, yet empirical research is still relatively limited when compared to the study of other media.[1] In 1982, the U.S. Surgeon General lamented the lack of such evidence (SelnowRead MoreManaging Information Technology (7th Edition)239873 Words   |  960 PagesSenior Marketing Manager: Anne Fahlgren Production Manager: Debbie Ryan Art Director: Jayne Conte Cover Designer: Bruce Kenselaar Photo Researcher: Karen Sanatar Manager, Rights and Permissions: Hessa Albader Cover Art: Fotolia Media Editor: Denise Vaughn Media Project Manager: Lisa Rinaldi Full-Service Project Management: Integra Software Services Pvt. Ltd. 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An Investigation Into the Effects of Sugar Concentration on Yeast Activity free essay sample

An investigation into the effects of sugar concentration on yeast activity Introduction: Yeasts are eukaryotic micro organisms belonging to the kingdom fungi. Yeasts live on sugars and produce ethanol and carbon dioxide as by-products. [James Mallory, 1984]When Yeasts are given water and sucrose they convert the sucrose into glucose then convert the glucose into carbon dioxide and ethanol following the following reaction: C? H O? ( 2(C? H? OH + CO? Brady Burkhart, Terrell Grayson and Eric Kimler, 2009] Because yeasts produce ethanol and carbon dioxide they are commonly used in the fermentation of alcoholic beverages and in baking as a rising agent. [Ron Pickering, 2006] Research question: What is the effect of sugar concentration on yeast activity? Hypothesis: The expectation is that the amount of carbon dioxide produced will be directly (and linearly? ) inked to the concentration of the sugar Variables: Independent variables: †¢ Sugar concentration Constant variables: †¢ Temperature †¢ Sugar type Yeast type †¢ Type of bottle used for the experiment †¢ Volume of water †¢ Time †¢ Quantity of yeast Dependant variables †¢ Quantity of carbon dioxide produced by the yeast Apparatus: †¢ 1 Set of scales (accurate to 1 gram) †¢ 1 Measuring cup †¢ 5 Bottles †¢ 5 Thin plastic tubes (approx. 5mm gauge, 1m length) †¢ 1 Tub of water †¢ 5 Test tubes with volume markings up to 100ml †¢ 5 12 g Bags of dried Saccharomyces cerevisiae (Baker’s yeast) †¢ 472. 5 g Sucrose (table sugar) Method We started setting up our experiment by measuring different molar solutions (0M, 0. 25M, 0. M, 0. 75M and 1M) of sugar and putting them into separate bottles, along with one bag (12g) of yeast and 300ml of water. We then attached a tube going from the top of each bottle to separate test tubes which were entirely full of water and were placed upside down in a tub of water, stopping the tube from emptying and allowing carbon dioxide to be collected at the top of the test tube in bubbles. The data was collected by removing the plastic tubes leading from the bottles to the test tubes after waiting eight minutes after the experiment was started. The test tubes were then sat vertically upside down and using the measurement markings on the test tubes measured the volume of the carbon dioxide that had been produced by the yeast. Results: |Sugar Concentration |Amount of carbon dioxide produced. | |0M |0ml | |0. 25M |115ml(approx. ) | |0. M |54ml | |0. 75M |34ml | |1M |46ml | Discussion: The results of this experiment suggest that the ideal sugar concentration for yeast respiration lies around 0. 25M. Reasons for this result could include: 1. The alcohol produced by the yeast at higher sugar concentrations could have killed the yeast if the alcohol content in the solutions became enough. 2. Yeast cells may have evolved to favour sugar concentrations of around 0. 25M as it may be a common sugar concentration in the natural environment and would therefore be beneficial for the yeast to favour it. To assess more accurately where the optimal sugar concentration for yeast respiration lies the experiment could be repeated with more points between 0M and 0. M Reliability: In this experiment there were five points, one for each different sugar concentration we tried. We could have had many more points with higher sugar concentration to see how the carbon dioxide production changed at much higher levels of sugar concentration, and could perhaps have found out how much sugar is needed to increase the osmotic capacity of yeast [Stafan Hohmann, 2002. ] Many more points could have been done be tween the existing ones to increase the accuracy of the experiment. Another thing that could have been done to improve the reliability of the results would be to measure the quantity of sugar in each solution more accurately. The scales that were used did not show any values after a decimal point, meaning that if better scales had been used the accuracy could have been improved. The quantity of water in each solution could also potentially have been more accurate by using a thinner test tube, rather than a measuring cup, to measure the quantity of water in each solution. The dependant variable in this experiment was the quantity of carbon dioxide produced by the yeast. The amount of carbon dioxide was measured in test tubes submerged in water. The tube used to measure the 0. 25M solution did not have volume marks high enough to measure the volume of carbon dioxide that was produced in that solution, so the measurement on that particular result is estimated. In addition the accuracy of each of the other points could have been improved by by using test tubes that were narrower and therefore would measure more accurately. The accuracy of the results could have been improved by doing replicate readings as, in this experiment; there was only a single reading To assess more accurately where the optimal sugar concentration for yeast respiration lies the experiment could be repeated with more points between 0M and 0. 5M. The results of this experiment show a slight rise between the points at 0. 75M and 1M, however it is not possible to assess whether this is significant using the current experimental design The reliability of the date could be improved by taking replicate readings and in addition possibly taking further readings at higher concentrations. The reliability of the experiment could possibly also be improved by optimising the water temperature for yeast respiration (around 35? C) [Slaa, J. , Gnode, M. , and Else, H, 2009] this may have created larger volumes of carbon dioxide and could therefore have made the differences in quantity greater. In addition the reliability of the results could have been improved by using fresh, pressed yeast rather than dried yeast as dried yeast does not retain all of the activity it had in it’s original pressed state [L. I. K. Ebbutt, 1960] Another factor which could have affected the reliability of the results was the face that the carbon dioxide which was measured was not given time to settle before the volume was measured Validity: Volumes of Solutions – The volumes and concentrations in this experiment were incorrect as instead of making a solution that was a total volume of 300ml we added 300ml of water to various amounts of sugar. This is something that could have greatly affected the validity of the results. †¢ Water temperature – The temperature of the water used to make the solutions in thi s experiment as no measurement of water temperature was taken during this experiment. To improve the validity of the experiment accurate thermometers could have been used to measure water temperature before beginning the experiment. Water motion No measure of water motion was taken during this experiment. If the water was still moving after the solutions had been mixed it could have affected the validity of the results. To improve this the solutions could have been left for a few moments until the water had definitely stopped moving or the solutions could have been mixed by an automated system, meaning that there would be no difference in water motion, †¢ Oxygenation of water – The oxygenation of the water used to make the solutions in this experiment was not measured or deliberately manipulated. This is a factor which could directly affect the validity of the results. To improve this factor the water could have been poured by an automated system, meaning that the height the water was poured from in relation to the container would always be the same, and that the water would be poured at the same rate. †¢ Yeast (type) – Although the yeast used in this experiment were all the same type and came from the same box, the yeast in each solution came from a different packet, meaning that there could be slight differences in the yeast used in each solution. To improve this factor the yeast could have been mixed to ensure that the yeast that was used in each solution was the same. †¢ Quantity of yeast The only control of the quantity of yeast used in this experiment was that the yeast came from separate packages which were supposed to contain the same amount. To improve the validity of the experiment the yeast could have been weighed using a set of scaled, or been measured in volume before being used in the experiment. †¢ Time – The timing in this experiment was done using a stopwatch. Although the stopwatch timing was presumably correct there could have been a slight delay between the plastic tubes being removed from the test tubes which were used to measure carbon dioxide volume. This could affect the validity of the experiment as some of the results could have been from a slightly longer period. To improve the validity an automated system could have been used to remove human error from the timings in this experiment. Conclusion: The results suggest that the optimum sugar concentration for respiration of yeast is 0. 25M. However due to flaws in the experimental design it was not possible to accurately assess where the optimal concentration lies. In addition there were insufficient data to assess validity and reliability, and therefore the experiment should be repeated taking into account the improvements suggested above. References: †¢ [L. I. K. Ebbutt, 1960, Microbiology[pdf]. Great Britain: The Distillers Co. , Ltd. , Glenochil Research Station, Menstrie, Clackmannanshire. Received 21 October 1960. available at http://mic. sgmjournals. org/content/25/1/87. full. df+html [accessed 14:24, 11. 11. 2012]] †¢ [Slaa, J. , Gnode, M. , and Else, H, 2009, Journal of Organic Chemistry [pdf]. , The Netherlands: Vrije Universiteit, Amsterdam. Received October 2009. Available at http://www. pieternieuwland. nl/Menu_Items/Projecten/Symposium/symposium2009-2010/organisatie/docs/Article%20Yeast%20and%20fermentation. pdf [accessed 14:20, 11. 11. 2012]] †¢ [Stafan Hohmann, 2002. Osmotic Stress Signali ng and Osmoadaptation in Yeasts, Microbiology and Molecular Biology, Vol. 66  no. 2  300-372. Available at http://mmbr. asm. org/content/66/2/300. hort [accessed 14:10, 11. 11. 2012]] †¢ [James Mallory, 1984. Collin’s Concise Encyclopedia. 4th edition. 59 Grosvenor Street, London: Peerage books] †¢ [Brady Burkhart, Terrell Grayson and Eric Kimler, 2009. Yeast Fermentation Optimization Project#4 [pdf]. 17th September 2009. Available at http://unitopslab. okstate. edu/yeast%20fall%202%2009. pdf [accessed 15:08, 11. 11. 2012]] †¢ [Ron Pickering, 2006. The economic importance of yeast: baking and brewing, Complete Biology for IGCSE. Oxford University Press Edition. Singapore: KHL Printing Co. Pte Ltd. ]

Legalization of Marijuana Paper free essay sample

Do any PEDs or pseudoethics enter into my thinking about this issue? Some of the psuedoethics that enter into thinking about this issue I would have to say would be religious beliefs. It came up it the discussion that the Native Americans smoke marijuana at their spiritual and religious ceremony’s. 9. Implications/Consequences of my conclusion. I truly believe that there wouldn’t be any consequences it the government legalized marijuana. 8. Thought Out Conclusion I personally feel that the America would very much so benefit from the legalization of marijuana. 3. Important Information I need to know to answer these ethical questions. What research needs to be done? Some research that may need to be done before making a decision would probably be research. I think that they should research how marijuana affects the brain and if this is a positive or negative thing. I also believe that they should do tests to see how people operate while under the influence of marijuana. We will write a custom essay sample on Legalization of Marijuana Paper or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page 4. What ethical theories concepts can I use to guide my thinking? Which theory is most important one to apply here? In regard to the use of legalization of marijuana I believe that the ethical relativism theory is the most important concept to apply to this matter. These issues are based on what is normal in ones culture and many societies have different beliefs. This is especially true in regard to the usage of marijuana, for example the American Indian culture was well known for smoking â€Å" peace pipes† and in todays society in Holland they actually have cafe style places that people can meet specifically to smoke marijuana, similar to a coffee bar, Many years ago marijuana was actually legal in the United States however as noted in the Ethical Relativism Theory minority beliefs can become the code for society and its institutionalized ethical practices. 2. Who are the Stakeholders? Doctors Cancer victims Anyone with Pain The government 5. How can I re-frame this issue? I can re-frame this issue by looking at this topic at different viewpoints and seeing other options to this. One may think that if marijuana is legalized that it will only be used primarily for recreational use but if they look further into what it can to benefit people that may help change their mind. 6. Main assumptions can I support these assumptions? I assume that if marijuana is legalized it will only benefit the U. S government and human health. The way that it will help the government is that we could tax it like we tax food and other goods and this would help out our economy. Also it would help our human health by benefiting those that have sever pain who don’t want to take medication that they could possibly become addicted to. It will also help cancer victims, people with sever migraines and a lot of other different diseases. 1. Define the issue. What are the specific ethical questions that arise from this issue? The ethical question being asked here is should marijuana be legalized?