Teaching And Learning Problem Solving

Teaching And Learning Problem Solving Education nowadays has been criticized by different area and educators try to reform the ways of teaching and learning (Kirkley, 2003). Problem Solving defines as step to reaching the goal or desire state from where we are now ( Medin, Ross Markman, 2004). Kirkly (2003) stated that learner nowadays are short of basic literacy skill and higher order thinking. Basic literary skill is important to learn problem solving largely depend on basic literary skill ( Kirkly). If a learner cannot master basic literacy skill, things that able to represent will be less. As the rising of technology, higher problem solving skill on mathematics and science are needed. They found that students who not able to master literacy skills and cannot not learn and develop higher ordering skills and problem solving ( Kirkly, 2003). Problem solving that mainly can be found while study mathematics. However, Baron (2012) found that a lot of students face the difficulty to pass the test math no matter how much of tutoring, extra classes had given. In addition, not only college students face this kind of problem, children also face similar problem. Types of math problem that face by children is word math problem. Word math problem is type of math that uses English word to explain the question instead of using the equation to explain the questions that need students to be solved. As a teacher, they ways those mathematics teachers teach the next generation also one of the problem that need to discuss. In the old days, teacher only can provide few ways to teach student to solve the math problem. However, not all students have the skill to absorb teaching style on providing information, guideline to solve the question. Moreover, teacher style on teaching students in the few past decade may not be efficient or work on current generation. When a person learn how to solve a particular modal, it will become as a short cut as the person only need to remember the process of solving the problem from the beginning, it only apply on the similar problem that solve before( Kirkly,2003). One of the model that explain problem solving process is when individual doing a problem solving, their cognitive will start by representing the problem then do a solution search, finally implement the solution (Gick, 1986 as cited in Kirkly,2003). If a person successfully find a solution, their cognitive will stop there, conversely, they will redo the step searching solution and representing the problem if they fail to find the solution (Kirkly).When a similar problem is presented, it become short cut as a person cognitive will be able to recall and implement the solution by remembering how they solved similar problem before. Problem solving require a lot of abstract representation that the reason we need to master basic literacy skill. For example, when a learner trying solved a word math problem, learner need to understand the meaning of the word such as increase, product of, less than, equally pieces and others. Then they need to transfer into mathematics symbol and form an equation form to solve the problem. However, human cognitive not able to hold too much representation at the same time and human only able to remember three to seven items ( Medin et al., 2004). Different types of mathematics problem use different types of problem solving method. Types of problem solving method can categorized at algorithm and heuristics. Heuristic have three ways which is using hill climbing, mean ends analysis and working (Medin et al., 2004). For example, a mathematics question that asks how much plus three will be ten? A younger child might use algorithm technique test all the number in order to find the correct answer. As for older child, the will likely use working backward method to find the answer. There are a lot of solution that can be found in educations field. For example, teachers will let provide a lot of similar problem to let their learner or students to solve and in the end createshort cut thinking. By this students will notice the similarity of each problem and able to transfer their skills. This solution can be found in teaching mathematics skill. Students math textbook present a lot of solution to student as an example to solve the similar problem but broader schema that expert are actually use is not available to student (McAllister, 1995). Student dont know which and how is the appropriate first step to do when they faced a problem (McAllister,).Teacher who use explicit translation strategy (ETS ) found to be effective in solving math word problem (INQUIRE, 2008). Explicit translation strategy is to teach students how to translate concrete problem into mathematical equation(INQUIRE, 2008). Research also found that students who teach using the ETS and receive extra learning lesson are able to perform better than other group in the math problem solving that held two weeks later (Darch, Carnine Gersten, 1984). As stated above, students who want to develop problem solving skills need to master basic literacy skills well (Kirkly, 2003). Therefore students need to keep practice different types mathematics problem regularly. Then, students should be teaches by teacher who are expect, more important teachers should be able to provide different method to solve a problem and more complicate example when students able to solve basic mathematical problem. Extra learning material should be given to help students to learn the ability to transform the skill that students learn from other problem. Severin(2007) found students who be given change to learn different type of problem solving strategies able to help student to solve others problem. Technology item also can be use to helps teacher and student improves their problem solving a ability. Teacher can create a learning site and provide different types of fun, stories problem solving question to attract their interest and provide them change to do trial and error while they playing problem solving game while learning. This is because how much a student put effort while doing a math problem will have an effect on their success rate (Severin, 2007). In addition we also can use computer technology to help us in teaching because technology make easier for students to access more information. In the days that computer still not able to own by every family, information on solving a math problem only depend on the knowledge of the teacher. Now, students can asses and absorb more and more idea to solve a math problem. Conclusion, problem solving can be use in different field. By knowing how to teach and learn are the key to teach students and children to develop their problem solving better in the future.

Liability in Homebuilt Aircraft :: Essays Papers

Liability in Homebuilt Aircraft Homebuilt aircraft are considered to be the fastest growing segment of aviation during the last two decades. Naturally with the increase in these aircraft will also come an increase in accidents. Accidents like the 1997 Long E-Z crash that killed John Denver have raised questions about who is legally liable: the kit manufacturer, amateur builder, or pilot? (Kolczynski, 1) Homebuilt aircraft liability litigation is expected to develop into a booming new industry in the coming future. During the 1970s and 80s production of single engine factory built aircraft has virtually come to a halt. With many product liability lawsuits, which led to large verdicts against the manufacturers of the single engine aircraft, manufacturers slowly dropped out the single engine aircraft business. With no more single engine aircraft being built used single engine aircraft have dramatically increased in price. These events have led to an increase in homebuilt aircraft that cost a fraction of the price of a previously owned Cessna, Beechcraft, or Piper. Another boost to homebuilt aircraft has been the FAA. In the role of promoting air commerce, the FAA has supported regulations and advisory circulars that encourage the development of homebuilt aircraft; for example Advisory Circular 20.27d. (Kolczynski, 2) According to this anybody can buy plans and parts and obtain a special airworthiness certificate to operate the aircraft in the experimental category if the amateur builder doe s more than 50% of the fabrication or assembly, and does solely for his own education or recreation. (Kolczynski, 2) Homebuilt aircraft are built a few different ways. Some of these aircraft are built from scratch using plans from a designer. Others are purchased in kits consisting of plans, pre-fabricated parts, and some raw materials. Once a builder acquirers a kit he/she is required to do the majority of the fabrication and assembly of the kit. During the assembly the homebuilder needs to have the aircraft inspected by a FAA approved inspector. (Kolczynski, 4) A construction log needs to be maintained with photographic documentation of the building process. After the aircraft is completed, it is required to have the marking â€Å"Experimental† on the fuselage. (Kolczynski, 4) Next, the homebuilder must submit a FAA form 8130.7 along with the progress log to the FAA for a post-construction inspection of the new aircraft. After the inspection, a special airworthiness certificate is issued with operating limitations that the airplane may be flown only within a limited geographical te st area for a certain number of hours.

Self Directed Work Teams Architecture Essay

Autonomous Work Teams ( SDWT ) is used by a big figure of administrations in today ‘s society. Manufacturers have started utilizing this construct of SDWT, which has seen to be a large growing ( Richard, William, and Wilson 1991, 44 ) . Since this squad procedure was foremost studied in 1951 in an American workplace, it has assisted this procedure to be used in a figure of concerns and industries in which most of these companies are listed in the Fortune 500 companies ( Junior-grade 2008, 2 ) . Directors who require their company ‘s policy to be up to day of the month will be trusting on members in an SDWT to help with company policy and farther developments for specific countries ( Richard, William, and Wilson 1991, 52 ) . Directors will desire to cognize how this squad procedure will profit them and the administration they are working in. Harmonizing to Caramanica, Ferris, and Little, â€Å" an SDWT offer assorted benefits † ( Caramanica, Ferris and Small 2001, 7 7 ) . Therefore directors must hold a good apprehension of an SDWT to understand the procedure and the positive impact it has in the administration. This essay shows the definition of an SDWT, effectivity of SDWT, critical ideas, and a opinion of the critical reappraisal. SDWTs can be defined in many ways. Harmonizing to Irani, an SDWT â€Å" is a diverse group of people with different attitudes, accomplishments and personalities, to work together towards common concern ends † ( Irani, Choudrie and Love 2002, 596 ) . Similar, Mullen states that, â€Å" an SDWT is a group of persons jointly responsible for carry throughing a set of undertakings and larning from their joint activities † ( Mullen 1992, 43 ) . It means a group people who portion work loads, train each other, and accomplish marks within an administration without holding a supervisor observation over them. Members of the SDWT listen to their squad members and voice their sentiments freely without holding to be criticized ( Attaran and Nguyen 2000, 25 ) . The squad evaluates and design work procedures and are responsible certain procedures within an administration ( Attaran and Nguyen 2000, 25 ) . Members allocate undertakings to team members to finish. Simply they complete und ertakings without holding any engagement of a high positioned employee such as a supervisor ( Versteeg 2007, 1 ) . The intent of making an SDWT is to better efficiency and effectivity of a squad ‘s undertaking. SDWT Teams have been found to really effectual by research workers. It leads to a decreased figure of hierarchies and more duty given to each single squad member ( McShane and Travaglione 2007, 297 ) . SDWTs have been developed over clip and are seen as a superior scheme to help employees to come on in productiveness and efficiency. Employees work together on a day-to-day footing and make positive connexions between members. They are committed to marks which is outstanding to employees compared to the administration ( Foote and Lang 2008, 936 ) . An SDWT can assist come on efficiency an persons understanding of their work which related to their fellow members and sharing control and seeking the best agencies of a undertaking ( Mullen 1992, 44 ) . Research conducted Mullen showed that an Automobile works created by General Motors have 150 SDWTs in their production lines ( Mullen 1992, 44 ) . Teams were in bond with each other squad meetings prior so follow their understandings onto the production line. In traditional administrations, employees are given undertakings and normally stop up with same occupation forever. However in an SDWT, persons â€Å" embrace the constructs of multi skilling and Job rotary motion † ( Richard, William, and Wilson 1991, 47 ) . The effectivity of SDWT benefits the administration in a figure of ways. Better public presentation, portion duty, higher committedness and public presentation, betterments to do effectual public presentation and quality ( Caramanica, Ferris and Small 2001, 77 ) . Research conducted by Irani, Sharp, and Kagioglou stated that traditional work subdivision squads in Velden Engineering ( UK ) were non autonomous and this lead the groups to outbid each other. This was seen as been uneffective and so they decided to set into pattern the usage of SDWT through educational Sessionss. Classs were held to obtain employees involvement in a SDWT ( Irani, Sharp, and Kagioglou 1997, 202 ) . Results showed that these categories organised by direction were effectual for the administration. Communication, squad consciousness, and readying were seen to be an betterment. This shows how effectual SDWT in the administrations is and the huge sum of betterment it brings in. As mentioned before research on Velden Engineering ( UK ) execution of SDWTs had a big consequence on the administration. It was conducted in 1995 and was proven to demo that SDWT was utile to utilize in the administration ( Irani, Sharp, and Kagioglou 1997, 202 ) . The research is non reliable for in-between directors in Australia because of the clip the research was conducted. At that clip, the article references that persons were usage to the traditional work squad and holding been introduced to a new squad procedure that may hold caused their committedness to work to better. The research conducted did non present a broad scope of cultural or different age grouped persons. As the research claims it was effectual and does non advert who the participants were. It may be that Velden Engineering may hold had a peculiar group of race. Research conducted in the early 1995 in an Asset Team which was portion of Chevrons Western Production ( Attaran and Nguyen 2000, 27 ) . Persons had antecedently operated in a traditional hierarchal system. They did non hold adequate employee engagement or adequate teamwork. This lead those to develop an SDWT and handling the plus squad as a whole squad. Each squad had a balance of accomplishments, leading and expertness. The squads â€Å" relied on each other and non on their supervisors † ( Attaran and Nguyen 2000, 27 ) . The research is reliable for in-between directors in Australia due to the fact that huge scopes of employees were put into the squads with different background of cognition and expertness. Attaran and Nguyen purpose was for the squads to do usage of the new cognition and accomplishments they had attained from other squad members in respects to utilizing new engineering ( Attaran and Nguyen 2000, 28 ) . Persons who were non put into squads were non able to d evelop cognition and were lead to doing determination without other single sentiments. It ‘s a valid usher for directors to utilize to implement an SDWT into their administration. The fact that employees were assorted into squads with each single holding each an expertness. Simone Kauffeld conducted a research on 140 companies in which 241 employees were in a traditional work squad and 278 in a SDWT ( Kauffeld 2006, 6 ) . Management decided which groups to include. There were more adult females in SDWT than a traditional squad and extra unskilled persons in SDWT than traditional. This resulted in demoing that SDWT â€Å" were non introduced in companies with specially qualified employees † ( Kauffeld 2006, 7 ) . Teams were given group activities and a subject to discourse. Teams were videoed and observed by a trainer. However the direction assessed the checklist for all 44 SDWT all together. Result showed that SDWT is more competent on seven out of 12 facets of competency. That means that they were competent in finishing the undertakings and were capable of working better than traditional work squads. SDWT in the research showed that they were interested in organizing undertakings to accomplish an reply. Research was conducted on a paper factory fabricating site which had two installations. Researches determined the difference between deserving moral principles of machine operators. One installation used an SDWT and the other installation used a traditional work squad. 169 out of 250 from Site A were put into a SDWT and 83 out of 146 were put into a traditional work squad. 252 out of 396 ( full site ) had completed the studies ( Petty et al 2008, 4 ) . 79 % were male, 25 % between the ages of 27 and 35, and 67 % were between the ages of 36 and 55 ( Petty et al. 2008, 52 ) . Facilities had between 18 and 30 persons in each squad. Team utilizing SDWT were found to be organized and each member acquired new accomplishments from other co-workers. In Site B, they used a traditional construction. The site consisted of a â€Å" top-down authorization † ( Petty et al. 2008, 53 ) and were employees were each individual was assigned to task related to their accomplishment. Consequences s howed that SDWT scored higher than traditional squads. They were reliable, concerted and considerate at work. SDWT was seen to be the less cost bring forthing in the administration ( Petty et al. 2008, 56 ) After reading a scope of diaries related to SDWT, we can judge on how accurate the researches are. As once more it was mentioned that Irani, Sharp, and Kagioglou research on Velden Engineering ( UK ) started in 1995 is non dependable to middle directors in Australia due to the fact that they had non mentioned a broad assortment of different cultural background nor did they advert the age groups in Velden Engineering. The age of diary is non large concern but due to the fact that they did non advert age or ethnicity does convey out some opinion. However it can be used as a usher to portray its effectivity and betterment in an administration.Research on Chevrons plus squad is found to be a dependable to middle directors in Australia. As mentioned before, each squad had a broad scope of cognition and expertness. In which this resulted each person to larn from these experts and better their accomplishment. This assists them to place jobs in the proficient country of Chevron. Each squad c ommunicated to other squads and their old wont of outbidding and viing was eliminated. At first there were defeats between squad members and new day-to-day modus operandi for persons ( Attaran and Nguyen 2000, 32 ) . However this is job was recognised by counsel squad and attempt was put in to decide the issues.Kauffelds research on 140 companies proved to be really effectual in the activities each squad had completed. A broad scope of workers with different age groups, ethnicities were included in the research. An issue that may hold triggered employees to execute better was that they were been videoed and observed by a professional trainer. Thus it could hold caused the squads to work harder as they believed the recording would hold been shown later to direction. It is minor issue and should n't be seen as a large issue. However there are other issues that may hold triggered the consequences to be high. The fact that their were more adult females in SDWT than traditional, SDWT was non introduced in companies with specially qualified employees ( Kauffeld 2006, 7 ) , more SDWT than traditional work squad companies involved either used SDWT or traditional in which some administrations may hold had hapless on the job conditions and others a good working conditions. Besides direction decided which groups to include. These issues pointed out still may hold caused the consequences to drop but it should non be seen as large quandary. This research is non effectual and dependable for in-between directors in Australia to utilize.Research ( Petty et al.2008 ) on the two installations in the paper factory site is a good illustration of the differences of holding a SDWT and a traditional work squad. The consequences show that SDWT is dependable, less cost bring forthing, and good for the administration. However the research worker may hold considered utilizing a different scope of groups and taken persons from different industries instead than the paper factory. It was m entioned that research workers were merely given limited entree to research topics that were granted by company functionaries. The research can be used by in-between directors in Australian who wish to implement SDWT within their administration. Consequences may hold differed if full entree was given to researches and they had included persons from other industries. Overall we can see the effectivity of SDWT and good it is for administration and in-between directors in Australia. ( Petty et al. 2008 ) research on the paper factory site was found to be the most dependable due to the fact that it compared SDWT and traditional squads in which it pointed out the benefits it gained. Their purpose was to detect which squad was successful for the administration in which in was found that SDWT was extremely good. Directors who do make up one's mind to implement SDWT within their administration will see an betterment for both their employee and concern. From reading a broad scope of diaries sing to SDWT, we have indentified the benefits, the effectivity, and research workers ‘ position of SDWT. The purpose was to indentify the effectivity of SDWT. From mentioning to different diary articles, it ‘s been possible to demo how effectual it is for Australian center directors and its administration. Reviewing diaries and comparison has besides assisted on how effectual SDWT is.

Comparative Study On American And Chinese Math - 763 Words

Comparative Study on American and Chinese Math Teaching and Learning in Secondary Schools Research has shown that Chinese students generally score better on math tests than American students do at various grade levels especially in secondary schools. The National Science Foundation reports that in 2008, â€Å"43 percent of all Chinese bachelor’s degrees were awarded in the natural sciences and engineering. In the same year, the share in the United States was just 5 percent† (Yang, 2012). Students’ math knowledge before university has a great influence in students’ decision of choosing majors for future careers and their performance in the university pursuing math-intensive majors such as math, statistics, engineering, or physical sciences bachelor’s degrees. Even though some of the American students outperform in math and make great contributions to science and economy, the achievement gap that indicates problems in math curriculum should be deal with properly. Research shows that he math performance of the United States worsened over ti me period in recent years (Jacob, 2013). Comparative study on American and Chinese math teaching and learning in secondary school is conducted to find out what factors lead to the current situation that American students fall behind in math performance while Chinese students stand out. Despite of innate differences in American and Chinese students, researchers have found that teaching methods, learning environment, education policy, attitudesShow MoreRelatedNational College Entrance Examination ( Ncee )1359 Words   |  6 PagesChina, examinations sometimes even become the only measurement of one’s success. Facing the population explosion, society as many people recognize may judge people’s abilities more important than purely store of knowledge. 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