Friday, January 31, 2020

Drug Addiction and Time Essay Example for Free

Drug Addiction and Time Essay I believe that I am an addict, I made a lot of bad decisions in my life. But the worst was my decision to start using drugs. From the day that I started using to now I have loved it. And at times I would do just about anything to get it, I have done just about everything except sell my body. I stole from the people I love to get what I needed. Using drugs went from only on the weekends, to a couple times a week, to everyday. The worst part is, is I didn’t see that it was consuming so much of my life. There came a point where just smoking weed wasn’t enough anymore, and that’s when i should have walked away. I was 16 when I did heroin the first time. But it wasn’t until a year later when I started shooting up. My best friend and I did everything together and this was no different. We were hooked, she more than I, our lives revolved around getting high. I remember the days we couldn’t get it, she would shake and cry because her body ached for it so bad. I hated seeing her sick, all I could do nothing to help her. It was the worst thing that I have ever seen. When I could I would get her what she needed. We spent our summer days inside. Most of the time we were so high that we couldn’t move, but to us that was the best part of the day. At that moment we could finally just close our eyes and breathe. Looking back now the worst part for me is that I helped my best friend kill herself. I provided her with the drug that was sucking her dry. At that point in time I thought I was helping her. We have always depended on each other but this time we depended on something else. We both are not using heroin anymore, and have come out on the other side of that addiction. We both know that if it were placed in front of us we could not say no. Addiction has taken a lot from me. I have lost the trust of my Parents and my freedom I ounce had. My best friend and I can not hangout outside of school, were just not good for each other to be around. But most of all I lost respect for myself.

Thursday, January 23, 2020

The Computer Evolution :: Essays Papers

The Computer Evolution "Who controls the past commands the future. Who commands the future conquers the past." -George Orwell The computer evolution has been an amazing one. There have been astonishing achievements in the computer industry, which dates back almost 2000 years. The earliest existence of the computer dates back to the first century, but the electronic computer has only been around for over a half-century. Throughout the last 40 years computers have changed drastically. They have greatly impacted the American lifestyle. A computer can be found in nearly every business and one out of every two households (Hall, 156). Our Society relies critically on computers for almost all of their daily operations and processes. Only once in a lifetime will a new invention like the computer come about. The fist computer, known as the abacus, was made of wood and parallel wires on which beads were strung. Arithmetic operations were performed when the beads were moved along the wire according to â€Å"programming† rules that had to be memorized by the user (Soma, 14). The second earliest computer, invented by Blaise Pascal in 1694, was a â€Å"digital calculating machine.† Pascal designed this first known digital computer to help his father, who was a tax collector. Pascal’s computer could only add numbers, and they had to be entered by turning dials (Soma, 32). It required a manual process like its ancestor, the abacus. Automation was introduced in the early 1800’s by a mathematics professor named Charles Babbage. He created an automatic calculation machine that was steam powered and stored up to 1000 50-digit numbers. Unlike its two earliest ancestors, Babbage’s invention was able to perform various operations. It relied on cards with hole s punched in them, which are called â€Å"punch cards.† These cards carried out the programming and storing operations for the machine. Unluckily, Babbage’s creation flopped due to the lack of mechanical precision and the lack of demand for the product (Soma, 46). The machine could not operate efficiently because technology was t adequate to make the machine operate efficiently Computer interest dwindled for many years, and it wasn’t until the mid-1800’s that people became interested in them once again. Between 1850 and 1900, the mathematics and physics fields began advancing. The advancements involved extremely arduous calculations and formulas that took a great deal of time when done manually. The Computer Evolution :: Essays Papers The Computer Evolution "Who controls the past commands the future. Who commands the future conquers the past." -George Orwell The computer evolution has been an amazing one. There have been astonishing achievements in the computer industry, which dates back almost 2000 years. The earliest existence of the computer dates back to the first century, but the electronic computer has only been around for over a half-century. Throughout the last 40 years computers have changed drastically. They have greatly impacted the American lifestyle. A computer can be found in nearly every business and one out of every two households (Hall, 156). Our Society relies critically on computers for almost all of their daily operations and processes. Only once in a lifetime will a new invention like the computer come about. The fist computer, known as the abacus, was made of wood and parallel wires on which beads were strung. Arithmetic operations were performed when the beads were moved along the wire according to â€Å"programming† rules that had to be memorized by the user (Soma, 14). The second earliest computer, invented by Blaise Pascal in 1694, was a â€Å"digital calculating machine.† Pascal designed this first known digital computer to help his father, who was a tax collector. Pascal’s computer could only add numbers, and they had to be entered by turning dials (Soma, 32). It required a manual process like its ancestor, the abacus. Automation was introduced in the early 1800’s by a mathematics professor named Charles Babbage. He created an automatic calculation machine that was steam powered and stored up to 1000 50-digit numbers. Unlike its two earliest ancestors, Babbage’s invention was able to perform various operations. It relied on cards with hole s punched in them, which are called â€Å"punch cards.† These cards carried out the programming and storing operations for the machine. Unluckily, Babbage’s creation flopped due to the lack of mechanical precision and the lack of demand for the product (Soma, 46). The machine could not operate efficiently because technology was t adequate to make the machine operate efficiently Computer interest dwindled for many years, and it wasn’t until the mid-1800’s that people became interested in them once again. Between 1850 and 1900, the mathematics and physics fields began advancing. The advancements involved extremely arduous calculations and formulas that took a great deal of time when done manually.

Wednesday, January 15, 2020

The Value Of Small Group Interaction In Teaching Education Essay

Collaborative acquisition, synergism acquisition, small-group acquisition, and concerted acquisition seem to be the new cants used by faculty members. This is due to the intensifying involvement over the past few old ages, with respect to the different attacks to learning and larning. Particularly the passage from individualistic to collaborative acquisition manners has been under huge examination as university module members and decision makers are rediscovering the construct of ‘two caputs being better than one ‘ . The involvement is been chiefly incited at a graduate student degree, where the key purposes are to develop the ability of pupils to believe critically, enhance mutuality and arrive at a socially constructed apprehension of the stuff provided. In add-on, alterations in organisational substructure have resulted in an increased accent on squad work within the work force. Consequently, the acquisition manner implemented at postgraduate degree is critical as it i s the stepping rock into the universe of work. This reappraisal aims to measure the value of little group interaction in the instruction and acquisition procedure. Specifically, this reappraisal will measure how this method impacts learning and larning at a postgraduate degree. More specifically, in this reappraisal little group interaction includes collaborative acquisition, concerted acquisition, every bit good as equal acquisition. The history of this method of acquisition will be looked at first to give a clearer image of how it has evolved since its origin. Cardinal footings will so be defined, as they are applicable in this reappraisal, to guarantee apprehension of the most of import constructs occurs from the start. This will be followed by the theories that have developed, the advantages, and so the restrictions on the subject, so that a clear statement can be developed. Therefore, it will be determined whether collaborative methods consequence in the enhanced value of learning and larning at postgraduate degree. This pro be is greatly needed at a higher instruction level- as it is a topographic point where the competition is rife, clip force per unit areas are high and there is a great trade of external force per unit area to develop the leaders of tomorrow.2. History of collaborative acquisitionAlthough the history of collaborative acquisition is really unelaborated, it is non a comparatively new method of larning. It appears likely that people have been larning informally in groups for 1000s of old ages ( McInnerney & A ; Roberts, 2004 ) . Kimber ( 1994 ) states that collaborative acquisition was foremost instituted in Greek and Roman schools and coincides with the doctrine of Socratic larning – when pupils ‘ inquiring and discourse were emphasized. Johnson, Johnson, and Holubec ( 1993 ) stated the Roman philosopher, Seneca showed support for concerted acquisition through statements such as: Qui Docet Discet ( when you teach, you learn twice ) . Kimber ( 1996 ) and Johnson et Al ( 1993 ) province that concerted acquisition came into prominence in the late seventeenth and early eighteenth centuries in Europe and England. During this period Joseph Lancaster and Andrew Bell made extended usage of `monitorial ‘ systems which were devised to enable big Numberss of pupils gain simple instruction at post-industrial revolution schools which were missing in trained instructors. Student ‘monitors ‘ were used to learn other disadvantaged or younger students. Similarly, in the early 19th century concerted acquisition gained popularity among pedagogues across a spectrum of didactic Fieldss. In the late 1930 ‘s, nevertheless, interpersonal competition began to be emphasized in schools and in the late sixtiess, individualistic acquisition began to be used extensively. In the 1980s, schools one time once more began to utilize concerted acquisition. The work of Johnson, Johnson and Smith ( 1991 ) transferred the value of active acquisition to the university degree and argued that big schoolrooms could besides be transformed to go student-centered learning environments. In 1989, a workshop was held in Maratea, Italy. This workshop is considered by many to hold marked the birth of the field of computer-supported collaborative acquisition ( Bereiter, 2002 ; Stahl, Koschmann, & A ; Suthers, 2006 ; Lipponen, 2002 ) . Additionally in 1996, Koschmann ( 1996 ) suggested computer-supported collaborative acquisition ( CSCL ) as an emerging theoretical account of educational engineering and CSCL has been progressing of all time since.3. Definition of footingsCollaborative acquisition has been established in a assortment of ways over clip in a spectrum of academic Fieldss. In the broadest sense, collaborative acquisition is defined by Dillenbourg ( 1999, p.1 ) as â€Å" a state of affairs in which two or more people learn or attempt to larn something together. † The ‘two or more people ‘ referred to in the definition above, is applicable in equal acquisition as â€Å" person of the same societal standing † ( Falchikov, 2001, p.1 ) , which in an educational context implies person â€Å" within the same category or cohort † ( Falchikov, p.3 ) . For illustration, pupils presently finishing their Masters Degree in Human Resource Management who web and addition cognition from interaction with each other are prosecuting in equal acquisition. Common to the assorted definitions of collaborative acquisition is that accent is placed on the thought of joint building of cognition and common battle of participants ( Lipponen, 2002 ) . In this reappraisal the footings collaborative acquisition and concerted acquisition are used interchangeably. However, a differentiation between the two must be noted. The former involves the joint battle of pupils, at assorted public presentation degrees, in a co-ordinated attempt to work out the job together ( Panitz, 1996 ) . The latter is accomplished by agencies of the division of labour, pupils work together in little groups to carry through a common end, whereby each individual is responsible for a fraction of the job resolution ( Roschelle & A ; Teasly, in imperativeness ; Cooper, McKinney, and Robinson ( 1991 ) ; Gokhale 1995 ) . In add-on, Dillenbourg, Baker, Blaye and O'Malley ( 1996 ) indicate that basically the two differ by virtuousness of the manner the undertaking is divided: in concerted acquisition, the undertaking is split hierarchically into independent subtasks ; in collaborative acquisition, the cognitive patterned advance may be heterarchially divided into int ertwined beds. When utilizing the footings collaborative or cooperative larning interchangeably, the definition applicable, as stated by ( Yazici, 2005, p.217 ) is: â€Å" the instructional usage of little groups or squads where equal interaction plays a cardinal function in larning † . Additionally, Dillenbourgh ( 1999 ) contends that collaborative acquisition can be understood as a pedagogical method or a psychological procedure. Collaborative acquisition in a pedagogical sense is normative: one asks two or more people to join forces because it is expected they will in this mode learn expeditiously. In the psychological sense it is descriptive: one observes that two or more people have gained cognition and coaction is viewed as the mechanism which caused the acquisition. In this reappraisal, collaborative acquisition will be applied in the pedagogical sense with respect to postgraduate degree acquisition.4. Learning at graduate student degreeThere are considerable differences in the purposes and methods of instruction and acquisition at undergraduate and postgraduate degree of instruction ( Lave & A ; Wenger, 1991 ; Barnacle, 2005 ; Donnelly, 2008 ; Butler,1993 ) . The cardinal purpose at postgraduate degree is to come on the ability of pupils to believe criticall y ( Jones, Michael, Gear, & A ; Read, 2006 ) . The procedure referred to as ‘post-conventional believing ‘ by Ashley ( 1973 as cited in Jones et al 2006 ) is critical in carry throughing this purpose. He defines it as a procedure â€Å" during which the pupil is able to travel from a place of noncritical credence of the orthodox to one of originative dissent, a procedure that stretches the mind and encourages the outgrowth of new or revised ways of thought † ( Ashley, as cited in Jones et Al, p.379 ) . Collaborative larning Fosters this procedure as it stretches the mind and encourages the outgrowth of advanced or revised ways of thought ( Ladyshewsky, 2006 ; Jones et Al, 2006 ) . Similarly, Machemer and Crawford ( 2007 ) argue that the traditional talk method of learning has two important failings at postgraduate degree. First, it promotes pupil passiveness which does non heighten or prolong the pupils ‘ acquisition. Second, the extremist alterations and elaborateness of the information makes it hard to draw-up talks that cover the necessary deepness, comprehensiveness and advanced cognition required. Conversely, a survey conducted in graduate student medical instruction resulted in both collaborative acquisition and the traditional talk method being every bit effectual in bettering the cognition degrees of pupils ( Smits, De Buisonje , Verbeek, Van Dijk, Metz, and Cate, 2003 ) . Therefore, when sing execution of collaborative acquisition methods, the context which it is to be applied every bit good as the construct of battle should be taken into history. The construct of battle is cardinal to successful acquisition at postgraduate degree ( Jungst, Licklider, and Wiersma, 2003 ) . Consequently as cited by Jungst et Al. it is in the active acquisition environment that a deeper degree of understanding and true acquisition occurs, larning that can be transferred to the universe outside of the schoolroom. In add-on, at postgraduate degree, pupils transform as societal agents and signifier individualities as scholars, professionals and, more widely, as members of society ( Havness, 2008 ) . However, antecedently O'Donell, Tobell, and Zammit ( 2007 ) argued that the nature of passage from undergraduate to postgraduate survey is less ambitious and there is small to get the better of because, in kernel, the environment remains the same. After farther survey, O'Donell et Al ( 2009 ) concluded that there should be greater independent survey by pupils at postgraduate degree and farther synergistic workshop-style instruction, taking to knowledge and understanding which is socially constructed instead than passively received.( Beginning: Stahl, 2000, p.71 )In add-on to knowledge being socially constructed, Stahl ( 2000 ) states that cognition should be personally constructed every bit good. Stahl farther explains that the diagram aims to associate the person and the societal facets in the knowledge-building procedure. This procedure begins with the rhythm of personal apprehension. The staying parts of the diagram exemplify how the person ‘s personal beliefs and civilization are influenced by other people ‘s values, beliefs and point of views ( societal procedure ) . A shared civilization is so formed, which impacts on the personal apprehension, as it takes form through act uponing the ways of thought, diverseness influences, every bit good as motivational concerns. The procedure is initiated once more when the new civilization adopted by the single influences others as he / she interacts with different groups of people. However, to guarantee that a knowledge-building procedure does in fact occur, the pros and cons of collaborative acquisition should be weighed up.5. Advantages of collaborative acquisitionFor the successful passage to take topographic point, a great trade of research sing the result of collaborative acquisition in contrast to traditional instructional patterns has been conducted ( Kimber, 1994 ) . Instructor-centered methods of learning can non adequately impact the complex results ( job work outing accomplishments ; higher order believing accomplishments ; the ability to hold a diverse positions view ; ethical logical thinking ; and life-long acquisition ) that a postgraduate pupil requires ( Jungst et al, 2003 ) . Numerous surveies look intoing higher instruction conclude that pupils who follow in-class collaborative acquisition processs and actively collaborate with each other are more satisfied with their acquisition experience and consequence in greater positive results when compared to pupils who are exposed to the traditional talk method ( Kimber, 1994 ; Alavi, 1994 ) . Consequently, this satisfaction consequences from interpersonal relationships which are developed and enhanced through group acquisition ( Johnson et al, 1991 ) . Another factor lending to the satisfaction of collaborative acquisition methods is that it is per se motivative, as each single member is critical to procuring a productive, concerted acquisition pattern ( Havness, 2008 ) . Andrews ‘ ( 1992 ) work with larning squads confirms the position that greater satisfaction is experienced as collaborative larning improves assurance and supports the acquisition procedure. Additionally, Johnson & A ; Johnson ( 1994 ) concluded that concerted larning systematically produced higher tonss of self-efficiency than did individualistic conditions. Besides greater satisfaction is achieved since equals are at an equal degree and therefore can be more unfastened and explore to the full the countries of cognitive struggle ( Ladyshewsky, 2006 ) . This satisfaction experienced consequences in avidity to larn ( Kimber, 1994 ) . In add-on, the degree of equality with equals encourages greater dynamic battle in the acquisition procedure and building of cognition with deeper apprehension ( Alavi, 1994 ) . Attainment of greater understanding consequences in longer keeping of information and turning away of abrasion ( Cooper, 1990 ) . As a consequence, job resolution accomplishments are enhanced and it consequences in higher order thought ( Jaarsma, De Graves, and Muijtjens, 2008 ) . Likewise, Mazen, Jones, and Sergenian ( 2000 ) further supports the importance of group acquisition by indicating out that by working hand in glove, pupils can heighten accomplishments and advanced ways of believing which will ensue in group procedure additions. When working hand in glove, the issue of diverseness must non be forgotten. Escalating Numberss of postgraduate pupils from diverse backgrounds with changing positions and readings are holding a profound consequence on concerted acquisition ( Booth, Bowie, Jordan, and Rippin, 2000 ) . Wyss-Flamm ( 2002 ) points out that the outgrowth of ‘difference ‘ is indispensable to larning. Exposure to the differences can elicit the demand to try to come in each other ‘s heads and therefore larning something for which the tool of conversation is priceless ( Argyris & A ; Schion, 1996 ) . Similarly, Stein and Hurd ( 2000 ) acknowledge that collaborative acquisition transforms the acquisition environment into a student-centered one, which capitalizes on the diverseness of the pupils, and lessens dependance on the professor as the individual conveyor of cognition. This can ensue in interpersonal every bit good as intrapersonal procedures interacting with each other, making chances for larning to happen within the established modus operandis ( single-loop acquisition ) or larning that requires advanced modus operandis be created ( double-loop acquisition ) ( Argyris, 1999 ) . In contrast, Foldy ( 2004 ) states that persons who are portion of diverse groups will be characterized by feelings of misgiving or non experiencing safe as they are non grouped with those similar to them. Consequently, there will be greater intra-group struggle originating. Therefore, Booth et Al. bespeak that diverseness can merely be valuable to the acquisition if the differences are recognized and appreciated. Similarly, Milliken & A ; Martins ( 1996, p. 403 ) province that diverseness in concerted larning groups can be seen as a â€Å" double-edged blade † , intending that it possesses the possible to be of great advantage, but this will merely happen if it is managed efficaciously. Extra benefits of collaborative acquisition, adapted from Nunamaker, Dennis, Valacich, Vogel, and George, ( 1991 ) , include: the group generates more information and options as compared to the mean single group member ; group larning motivates the person to execute better ; groups are more effectual and nonsubjective in rating, and in conclusion, interactions amongst group members lead to synergisms. Similarly, Boud, Cohen, and Sampson ( 2001, cited in Havnes, 2008 ) highlight five results that can peculiarly be advanced by equal acquisition schemes, these include: working with others ; critical question and contemplation ; communicating and articulation of cognition, understanding and accomplishments ; pull offing acquisition and how to larn ; self and peer appraisal. In add-on, collaborative acquisition has been found to back up greater productiveness, coevals of originative thoughts or advanced solutions, and heighten the pupils ‘ ability of societal position pickings ( Cus eo, 1992 ; Lord, 2001 ) . However it must be noted that these positive results do non predominate with all groups and in all contexts as the outlooks of group members may non conform to each other ( Felder & A ; Brent, 2001 ) or societal idleness of free equitation may happen within the group ( Mello, 1993 ) . These jobs, if experienced, can finally ensue in the devastation of the group. However, when the positive results of collaborative acquisition do transpire, it supports the constructive impact that this method of acquisition has on academic-related accomplishment ( Alavi, 1994 ) . This is farther supported by empirical grounds of improved accomplishment at postgraduate degree ( DaRos- Voseles, Onwuegbuzie, and Qun, 2008 ; Collins, Cao, and Robidoux, 2004 ) . The degrees of academic accomplishment attained are fostered by the collaborative acquisition environment as it gives pupils an chance to prosecute in treatment, take duty for their single acquisition every bit good as accomplishment of the group ‘s ends, and therefore go critical minds ( Totten, Sills, Digby, and Russ, 1991 ) . This was farther proven in a survey conducted by Gokhale ( 1995 ) .5.1 Study to find effectivity of collaborative acquisition: Gokhale 1995The intent of this survey was to find the effectivity of collaborative larning versus single acquisition as it relates to larning results achieved. The population for the survey comprised of pupils in industrial engineering, enrolled at Western Illinois University. The intervention comprised of two parts: talk and worksheet. First, a common talk was delivered to both intervention groups. Next, one subdivision was indiscriminately assigned to the â€Å" single acquisition group † while the other subdivision was assigned to the â€Å" collaborative acquisition group † . The same worksheet was given to both intervention groups. It was comprised of both drill-and-practice points ( factual cognition and comprehension ) and critical- thought points ( analysis, synthesis and rating of constructs ) . Subsequent to a statistical analysis of the trial tonss, the consequences depicted that pupils who participated in collaborative acquisition had performed significantly better on the critical-thinking trial than pupils who studied separately. It was besides found that both groups performed every bit good on the drill-and-practice trial. The collaborative acquisition medium provided pupils with chances to analyse, synthesise and measure thoughts hand in glove. Therefore, the positive results of this survey on collaborative acquisition can be applied at a graduate student degree where the cardinal purpose is for pupils to believe critically and heighten cognition and apprehension which is socially constructed ( Jones et al 2006 ) . The consequences of this survey conform to the developmental positions ( Slavin, 1995 ) of collaborative acquisition proposed by the advocates of collaborative acquisition such as Vygotsky and Piaget.5.2 Piaget ‘s Constructivist PerspectiveValidation o f concerted acquisition stems, in portion, from theories of societal mutuality ( Johnson, Johnson, and Smith, 1998 ) . Piaget ‘s socio-cognitive struggle theory provinces that kids ( or grownups ) on different degrees of cognitive development, or those persons on the same degree of cognitive development with differing positions, can prosecute in societal interaction that leads to a cognitive struggle. Through treatment with other equals, the ‘shock of our idea coming into contact with others ‘ ( Piaget, 1928 ) leads to a disequilibrium within participants. This consequences in the building of new conceptual constructions and understanding in order to reconstruct equilibrium. ( Ladyshewsky, 2006 ; Slavin, 1987 ; Lipponen, 2002 ) . The importance of collaborative acquisition can be farther understood by Vygotsky ‘s theoretical model.5.3 Vygotsky zone of proximal developmentParallel to Piaget ‘s constructivist position ( Piaget,1969 ) , Vygotsky ‘s t heoretical concept of the zone of proximal development provides strong support for the inclusion of concerted acquisition as a method of instructional scheme as it consequences in the sweetening of the acquisition that occurs. Vygotsky ( 1978 ) defines the zone of proximal development as â€Å" The distance between the existent developmental degree as determined by independent job resolution and the degree of possible development as determined through job work outing under grownup counsel or in coaction with more capable equals. † ( See figure 2 )Figure 2: Zone of Proximal DevelopmentBeginning: Harnum ( 2009 )5.4 Theory of concerted acquisitionSupporting the theory of societal mutuality, Slavin ( 1995 ) proposed a two-element theory of concerted larning comprising of positive mutuality and single answerability. Likewise, Johnson et Al. ( 1991a, 1991b ) advocated a five-component theory of concerted acquisition. Harmonizing to the theoretical account, the following five elemen ts are indispensable for maximising the long-run success of the concerted learning venture:Figure 3: Pillars of concerted acquisitionPillars of Cooperative LearningFace-to-face interactionPositive mutualityGroupprocessingIndividual AccountabilitySocialaccomplishmentsAdapted: www.foundationcoalition.orgThe presence of the five basic constituents of concerted acquisition may all be accounted for within the theoretical model provided by Vygotsky ‘s zone of proximal development. Positive Mutuality: It is the connecting of pupils reciprocally so that the person can non win unless all group members win ( Johnson, Johnson, and Smith, 1998 ) . Vygotskys ‘s theory rests upon the rule that a kid ‘s development is dependent upon interactions with other kids and grownups. Therefore, kids and grownups are developmentally dependent, and hence interdependent ( Doolittle, 1995 ) . Face-to-face interaction: Within concerted acquisition, face-to-face interaction involves pupils need to make existent work jointly in which they promote each other ‘s success by sharing resources and helping, back uping, encouraging, and acknowledging each other ‘s attempts to accomplish the group ‘s ends ( Johnson et al 1998 ) . It is interpreted in the Vygotskian system as societal mediation and encultration. Encultration refers to what is learnt, while societal mediation refers to how it is learnt. Individual answerability: It is the belief held by each person that he/she will be held responsible for his/her ain public presentation and acquisition ( Johnson et al 1998 ) . For Vygotsky, single answerability would be reflected in each group member being responsible for developing within their ain alone zone of proximal development ( Doolittle, 1995 ) . Group Processing: Group treating exists when group members discuss how good they are accomplishing their ends and measuring ways to better the productivity of all group member in accomplishing the group ends ( Johnson et al 1998 ; Doolittle, 1995 ) . Within the model of Vygotsky ‘s theory, portion of direction entails the changeless monitoring of each pupil ‘s growing within their zone of proximal development ( Doolittle, 1995 ) . This survey was inconclusive in demoing that graduate squads perform better with collaborative acquisition manners. However, the consequences for graduate pupils indicate that collaborative acquisition manner is influential in public presentation, along with competitory and participant acquisition manners. Johnson and Johnson ( 1998 ) besides conclude that alumnus pupils portray the traits of independent scholars and are enthusiastic to obtain some enterprise and lament to accept duties for their ain acquisition. Therefore, professors should be more interested to ease independent larning. Furthermore, Johnson and Johnson province that the function of facilitator or delegator ensures working with pupils in a advisory manner and sweetening of the pupils ‘ capacity to larn independently, this is similar to what is required in organisational squads.6.2 Problems with collaborative acquisition mannerDespite the positive results that have been stated, there are many jobs that exist as good ( Machemer & A ; Crawford, 2007 ) . These jobs have resulted in some professors defying to prosecute in alternate theoretical accounts for learning and larning despite holding academic freedom in their instruction manners ( Moore, 2005 ) . The jobs experienced foremost include, a slow passage from traditional to collaborative signifiers of acquisition may happen particularly with pupils who can non accommodate easy or those who are extremely immune to alter ( Kimber, 1994 ) . Second, the degree of psychological safety in the colloquial infinite is a major determiner in results achieved ( Jones et al. , 2006 ) . Anxiety may originate as a consequence of the strangeness of the stuff being studied, or by the strain of lending to the conversation in a ambitious manner and could motivate a negative response and turning away of acquisition ( Vince & A ; Martin, 1993 ) . Third, unconstructive discourse may originate when consensus can non be reached with respects to the stuff, ends o r values ( Bruffee, 1984 ) . The increasing heterogeneousness ( Baer, 1996 ) and diverseness amongst graduate student pupils ( Booth et al. , 2000 ) escalates the happening of dysfunctional discourse in the acquisition procedure. Students may show farther hurdlings for collaborative acquisition which include: deficiency of engagement, backdown due to fear of negative rating, fright of some pupils ruling the session, troubles in maintaining the treatment focused, information overload for single members and measuring the degree of understanding ( Anderson, 1995 ; Nunamaker et al. , 1991 ) . The jobs experienced have caused certain lectors to give up on concerted larning techniques on the whole ( Cohen, 1994 ) . In the same manner, Machemer and Crawford ( 2007 ) point out that lectors give up on concerted larning methods as it has limited schoolroom ( talk ) application. In add-on, the design and testing of collaborative activities and lessons can be time-consuming on presently overloaded module agendas ( Cooper, 1995 ) . This consequences in concerns from a learning position, such as: the course of study non being completed as the activities take up a great trade of clip ; perceived loss of control in the schoolroom ; and trouble in measuring the pupils ‘ engagement and effectivity of the collaborative acquisition manners ( Gerlach, 1994 ) . Similarly, extra concerns include: the insufficiency of collaborative larning techniques in making high knowledge-attainment degrees with complex stuff, every bit good as pupils missing the critical features for working in effectual squads ( Cooper, 1995 ; Lord, 2001 ) . These critical features are what the ideal squad member should possess, which leads to the issue that the collaborative theoretical account assumes how professors are supposed to learn, how pupils are supposed to larn, and how cognition is created ( Moore, 2005 ) . However, Bruffee ( 1993 ) argues that cognition is non something transferred from one person ‘s caput to the following. â€Å" Collaborative acquisition assumes alternatively that cognition is a consensus among the members of a community of knowing peers-something people concept by speaking together and making understanding † ( Bruffee, 1993, p. 3 ) . Furthermore, Nias ( 1987 ) argues, that it is evident that non all pupils take an active function in the analysis of instances through argument. As affirmed by Jones et al 2006, a figure of factors may lend to this, including: Lack of assurance: pupils may grok the instance but do non set across their sentiment. Lack of involvement: the capable country may non be of involvement to each pupil. Lack of engagement: there are identifiable barriers to involvement ; e.g. domination of some pupils or linguistic communication barriers. Lack of readying: a deficiency of clip, committedness or motive. These factors should be mitigated every bit far as possible so as to make positive groups which help people to do positive alterations ( Goleman, Boyatzis, and Mckee, 2002 ) . Positive groups emerge where there are high degrees of single answerability, group coherence, seasonably and effectual feedback and expressed wagess for high degrees of group public presentation ( Michaelson, Fink, and Knight, 1997 ) . In contrast, unsatisfactory groups appear where free equitation or societal idleness ( doing less attempt to accomplish a end ) occurs ( Brooks & A ; Ammons, 2003 ; Mello, 1993 ) . This may give rise to interpersonal struggles and finally group devastation ( Jehn & A ; Mannix 2001 ; Miller, 2003 ) . Conversely, a longitudinal survey conducted ; found that a peculiar form of struggle resulted in higher group public presentation. This form was created as â€Å" squads executing good were characterized by low but increasing degrees of procedure struggle ; low degrees of relationship struggle, with a rise near undertaking deadlines ; and moderate degrees of undertaking struggle at the center of group interaction † ( Jehn & A ; Mannix, p.238 ) . The persons ‘ dissatisfaction will most likely influence squad public presentation, squad stableness, the size and construction of the group, and temporal range ( Alge, Wiethoff, and Klein, 2003 ; Johnson et al. , 1991 ; Jaques, 2000 ) . In add-on, diverseness ( Koppenhaver & A ; Shrader, 2003 ) and the squad members ‘ personal features, such as psychological profile, corporate orientation, and larning penchants are likely to act upon public presentation ( Kunkel & A ; Shafer, 1997 ; Lancaster & A ; Strand, 2001 ; Mennecke, Hoffer, and Wynne, 1992 ; Robbins, 1994 ) . These restrictions therefore pose a major menace to full development of the positive facets associated with collaborative acquisition and to the success of this method on the whole.7. DecisionFrom the reappraisal it is evident that there are assorted consequences sing the value of collaborative instruction and acquisition at postgraduate degree. It is evident that the benefits of this method outweigh the negative facets. However it must be noted, that the benefits do non use to all involved and if the restrictions are non adequately taken into history, the effects are bound to be black. In add-on, the diverseness amongst pupils particularly at postgraduate degree is intensifying. The heterogeneousness of pupils must be considered and hence, a ‘one method fits all ‘ attack should non be applied. Supervisors should change learning manners to suit for the diverseness of larning penchants amongst pupils. However, future research should be conducted to find the consequence of jointly using the different larning methods on pupils, their perceptual experiences or value placed on these techniques, and whether these methods will guarantee that optimum larning takes topographic point. Professors need to switch from the impression that â€Å" instruction is stating, acquisition is absorbing, and cognition is subject-matter content † ( Spence, 2001, p.12 ) . This is important as employers in current organisations are demanding more than merely proficient cognition of university alumnuss ( Jungst, Licklider, and Wiersma, 2003 ) . They require alumnuss who can believe under force per unit area, guarantee effectivity in team-work, communicate efficaciously, and build new cognition and thoughts that will give their employers the border in the current fast-paced universe. ( Gardiner, 1994 ; Brown & A ; Lassoie, 1998 ) . Therefore, by altering the patterns of instruction and acquisition in the schoolroom, there is greater possible for the happening of transmutations -for the persons, organisations, and systems ( Moore, 2005 ) . The possibility to restructure and rethink instruction and acquisition at postgraduate degree is exciting, exciting, disputing, hazardous, and ripe with possibility.

Monday, January 6, 2020

Alternative Energy Resources Renewable Energy Source

Alternate energy resources are being developed to compete against the fossil fuel power stations. Fossil fuel such as coal and oil are drilled and shoveled out of the ground and then processed to be turned into electricity. Problems with fossil fuels are that they produce hazardous air emissions and give off by-products that will harm the area. Some well-known alternate renewable energy resources are wind, solar, and hydro power. These are all sources that are in abundance and will be around for billions of years. Hydropower provides substantial amounts of electricity to the world by exploiting water, it totals about one fifth of the electricity worldwide (Renewable). While hydropower has its flaws, some environmentalists disclaim that hydropower is a widespread renewable energy source. However, this is a misconception because water is renewed in the water cycle, dams are environmentally sustainable to the ecosystem, and the only discharge from hydropower is unpolluted water. The idea of water not being renewable is preposterous. The water cycle is a process that always accounts for water. Water evaporates and goes back up as condensation and this creates clouds. Clouds then precipitate water, and the rainfall renews the water that will be used in dams. EPA, the Environmental Protection Agency, states â€Å"hydropower is considered a renewable energy resource because it uses the Earth s water cycle to generate electricity† (Hydroelectricity). Water is regenerated and alwaysShow MoreRelatedRenewable Energy : The Beneficial Option For The Future !1227 Words   |  5 PagesRenewable energy; the beneficial option for the future! The threat of global warming is influencing people to become â€Å"greener,† turning to renewable energy options which are often referred to as alternative energy. Renewable energy refers to energy that does not come from burning of fossil fuels or pollutant infused methods to provide energy. 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