A Cognitive Model of New Data on Human Problem Solving Essay -- Psycho

A Cognitive Model of New Data on Human Problem Solving I. Project Description Cognitive modeling is the creation of models which resemble and explain the way in which humans do things. What makes them so interesting to me is the process though which cognitive scientists go in order to create these models. Cognitive scientists often use a generative theory in creating such models. A generative theory is a theory that explains a set of empirical observations by actually generating them (as opposed to just summarizing them or characterizing them with equations or logic). Thus, a generative theory has to be executable, like a computer program or a "recipe". The system on which I'm basing my work is named Cascade (VenLehn, Jones & Chi, 1991). Cascade was originally developed to explain the cognitive mechanisms involved in the self-explanation effect (Chi et al., 1989; Fergusson-Hessler & de Jong, 1990; Pirolli & Bielaczyc, 1989). Simplifying a bit, the effect shows that people learn more effectively by studying examples when they are careful to explain to themselves as many steps of the example as they can. Students who do not carefully explain worked out example steps do not perform as well on subsequent problems. Cascade models the potential learning mechanisms that cause this effect. I now wish to apply the Cascade model to a new problem domain and a new set of psychological data. Originally, Cascade was written to solve problems in Newtonian physics, the domain used in Chi et al.'s study. Since Cascade was first created additional psychological research has been done in other problem domains. Due to the versatility of Cascade, applying the Cascade model to other problem domains would be beneficial. In the fall of 2000 I... ...nnual Conference of the Cognitive Science Society. Newell, A., & Simon, H. A. (1972). Human Problem Solving. New Jersey: Prentice-Hall Inc. Pirolli, P., & Bielaczyc, K. (1989). Empirical analyses of self-explanation and transfer in learning to program. In G. M. Olson & E. E. Smith (Eds.), Proceedings of the Eleventh Annual Conference of the Cognitive Science Society (pp. 450-457). Hillsdale, NJ: Lawrence Erlbaum. Renkl, A., Atkinson, R. K., & Maier, U. H. (2000). From studying examples to solving problems: Fading worked-out solution steps helps learning. In L. R. Gleitman & A. K. Joshi (Eds.), Proceedings of the Twenty-Second Annual Conference of the Cognitive Science Society (pp. 393-398). Mahwah, NJ: Lawrence Erlbaum. VanLehn, K., Jones, R. M., & Chi, M. T. H. (1991). A model of the self-explanation effect. Journal of the Learning Sciences, 2, 1-59.

Literature Review – Work Choices of Married Women

Literature review The labour supply of women has been the subject of extensive study both in Australia and internationally. 1 Despite this, only a few international and Australian studies have examined the inter-temporal labour supply behaviour of women, and it remains a less understood area of labour supply research (Hyslop 1999). 2 However, study in this area is growing rapidly due to the increasing availability of panel data and improved computational power and techniques. This chapter reviews a selection of studies of inter-temporal labour supply of women in Australian and overseas. Past research Several international studies have examined inter-temporal persistence in labour supply. Shaw (1994) used the Panel Study of Income Dynamics (PSID) over the period 1967-1987 to measure persistence in (annual) working hours of white women in the United States. She found evidence of (statistically) significant persistence in an individual’s labour supply even after controlling for other influencing factors — such as wages, the age and number of children and individual health status. Further, the extent of persistence was found to have changed little over the 20 year period studied. Shaw also found that unobserved (time invariant) individual heterogeneity played an important role in the persistence. However, the study did not examine whether the persistence also resulted from unobserved transitory shocks (or errors) that might be serially correlated. Hyslop (1999), also using the PSID data (for the period 1979-1985), examined the dynamics of labour force participation of married women in the United States and found evidence of state dependence. While unobserved individual heterogeneity was found to contribute to the persistence of labour force participation, transitory 1 For a detailed survey of the international literature on women’s labour supply, see Killingsworth (1983), Killingsworth and Heckman (1986) and Heckman (1993). 2 A few studies also examine inter-temporal labour supply behaviour of men, such as Muhleisen and Zimmermann (1994) for Germany and Arulampalam, Booth and Taylor (2000) for the United Kingdom. LITERATURE REVIEW 5 rrors were found to be negatively correlated over time, suggesting that failing to control for serially correlated transitory errors would lead to underestimation of state dependence. The non-labour income of married women, measured by their partner’s earnings, was also found to have a negative effect on their labour force participation. Permanent non-labour income was found to be more important in affecting a woman’s labour force participation than transitory non-labour income. The age and number of young children were also found to have a significant negative effect on the labour force participation decisions of women. Inter-temporal persistence in women’s labour supply was also examined by Lee and Tae (2005) using the first four waves (1998-2001) of the Korean Labour and Income Panel Study. Without considering serial correlation of transitory errors, the authors found that both state dependence and unobserved individual heterogeneity were important in explaining inter-temporal persistence in the labour force participation of women. They also found that the extent of state dependence of labour force participation varied with education, marital status and age. State dependence was found to increase with age, and was higher for married than for single women and higher for women with a junior college level of education relative to those with other levels of education. In the Australian context, very little research exists on the inter-temporal persistence of labour market activity. One study, Knights et al. 2002), examined labour market dynamics of Australian youth (those aged 15-29 years), using the Australian Longitudinal Survey over the period 1985-1988. Dynamic labour market activity of both males and females was analysed separately, with each group being further divided into high and low education groups. High education was defined as the completion of secondary school; with the low education defined as secondary school not being completed. Only two labour force states were examined — employed or not em ployed (binary variable). The authors found that an individual’s employment status in the previous year predicted his/her employment status in the currently year for all the four gender-education groups, suggesting evidence of state dependence of employment status. They also found evidence that unobserved individual heterogeneity was important explanatory factor in the persistence of employment status for all groups examined. Like Lee and Tae (2005), however, Knights et al. (2002) did not examine whether the observed persistence was due to serially correlated transitory errors. Some studies have also examined the effect of serially correlated transitory errors on inter-temporal persistence. Tatsiramos (2008), for example, examined female employment dynamics in seven European countries (Demark, France, Germany, the Netherlands, Italy, Spain and the United Kingdom) to test the effects of fertility had on employment status. State dependence was found in the employment status for 6 WORK CHOICES OF MARRIED WOMEN: DRIVERS OF CHANGE women in all countries after controlling for observed and unobserved individual heterogeneity and serially correlated transitory errors. The magnitude of state dependence as measured by average partial effects was very similar across all the countries studied, with the probability of a women being employed being 31 to 49 percentage points higher if employed in the previous year. Like Hyslop (1999), Tatsiramos (2008) also found that transitory errors are negatively correlated over time for all countries, and only in the case of Denmark, was the serial correlation insignificant. Permanent non-labour income was found to have a significant and negative effect on labour supply for all countries except Denmark and the United Kingdom, where the effect was positive. In case of the Netherlands and Italy, a woman’s transitory non-labour income was also found to decrease labour supply. Summing up Much of the existing literature of the inter-temporal behaviour of labour supply has focused on whether or not a woman is involved in paid work — a binary choice measured as labour force participation or employment status. In contrast, the approach taken in this study is to examine working hours as a measure of labour supply, and thus treat non-employment (those with zero working hours) as a censored outcome. Further, there are no Australian (and few international) studies that have examined both the effect of observed and unobserved individual heterogeneity and serially correlated transitory errors on inter-temporal labour supply. Despite this, studies of labour force participation by Australian women, comprehensively reviewed by Birch (2005), provide a valuable guide to the choice of explanatory variables. Although the estimates vary across studies and are sensitive to model specifications and estimation techniques, some patterns emerge. The studies generally found that increases in a woman’s wages, educational attainment, labour market experience, and the cost of living, all have a positive effect on a woman’s labour supply. Conversely increases in family income and the number of dependent young children had a negative effect. 3 In this study the focus is on hours worked of individuals. The individual level measures are used to obtain corresponding aggregate indicators of labour supply such as the labour force participation rate, the employment rate and total hours worked of all employed persons, and average hours worked per employed person. LITERATURE REVIEW 7

Definition and Examples of Slang in English

Slang is an informal nonstandard variety of speech characterized by newly coined and rapidly changing words and phrases. In his book Slang: The Peoples Poetry (OUP, 2009), Michael Adams argues that slang is not merely a lexical phenomenon, a type of word, but a linguistic practice rooted in social needs and behaviors, mostly the complementary needs to fit in and to stand out. The Characteristics of Slang   The most significant characteristic of slang overlaps with a defining characteristic of jargon: slang is a marker of in-group solidarity, and so it is a correlate of human groups with shared experiences, such as being children at a certain school or of a certain age, or being a member of a certain socially definable group, such as hookers, junkies, jazz musicians, or professional criminals. (Keith Allan and Kate Burridge, Forbidden Words. Cambridge University Press, 2006) The Language of Outsiders   Slang serves the outs as a weapon against the ins. To use slang is to deny allegiance to the existing order, either jokingly or in earnest, by refusing even the words which represent conventions and signal status; and those who are paid to preserve the status quo are prompted to repress slang as they are prompted to repress any other symbol of potential revolution. (James Sledd, On Not Teaching English Usage. The English Journal, November 1965)  The downtrodden are the great creators of slang. . . . Slang is . . . a pile of fossilized jokes and puns and ironies, tinselly gems dulled eventually by overmuch handling, but gleaming still when held up to the light. (Anthony Burgess, A Mouthful of Air, 1992) Standing Out and Fitting In   It is not clear to what extent the slang impulse to enliven speech, the impulse to stand out, mingles with the slang impulse toward social intimacy, the impulse to fit in. At times they seem like oil and water, but at others the social and poetic motivations emulsify into one linguistic practice. . . .  All of us, young and old, black and white, urban and suburban have slang, and, with your eyes closed, we can tell black guys chillaxin with their buddies from young soccer moms dishing out about the latest issue of Jane*. We share more slang than separates us, but what separates us tells us and others where we fit in, or perhaps, where we hope to fit in, and where we dont. . . . As a social marker, though, slang works: you know that youre among the old, tired, gray, and hopeless, rather than hip, vivid, playful, and rebellious, if only in spirit, when you hear no slang. Slang is a tell even in its absence. (Michael Adams, Slang: The Peoples Poetry. Oxford University Press, 2009)   Your mother reads and reads and reads, she wants English, as much as she can get her hands on . . .. Id come late Friday afternoon, it used to be that I would go home with a magazine or two and maybe a paper, but she wanted more, more slang, more figures of speech, the bees knees, the cats pajamas, horse of a different color, dog-tired, she wanted to talk like she was born here, like she never came from anywhere else . . .. (Jonathan Safran Foer, Extremely Loud and Incredibly Close. Houghton Mifflin, 2005) Modern Slang in London   I love modern  slang. Its as colorful, clever, and disguised from outsiders as slang ever was and is supposed to be. Take bare, for example, one of a number of slang terms recently banned by a London school. It means a lot of, as in theres bare people here, and is the classic concealing reversal of the accepted meaning that you also find in wicked, bad and cool. Victorian criminals did essentially the same with back slang, reversing words so that boy became yob and so on.  The other banned words are equally interesting. Extra, for example, mischievously stresses the superfluous in its conventional definition, as in reading the whole book is extra, innit? And that much-disapproved innit? is in fact the nest-ce pas? English has needed since the Normans forgot to bring it with them.  And who would not admire rinsed for something worn out or overused--chirpsing for flirting, bennin for doubled-up with laughter, or wi-five for an electronically delivered high-five? My bad, being new, sounds more sincere than old, tired, Im sorry (Sos never quite cut it).  Mouse potato for those who spend too much time on PCs is as striking as salmon and aisle salmon for people who will insist on going against the flow in crowds or supermarket aisles. Manstanding is what husbands and partners typically do while their wives or partners are actually getting on with the shopping. Excellent. (Charles Nevin, The Joy of Slang. BBC News, October 25, 2013) Old Slang: Grub, Mob, Knock Off, and Clear as Mud   When we refer . . . to food as grub, it is perhaps hard to realize that the word goes back to Oliver Cromwells time; from early 18th century come mob, and also knock off, to finish; and from early 19th century, the sarcastic use of clear as mud. (Paul Beale, editor of Partridges Concise Dictionary of Slang and Unconventional English. Routledge, 1991) The Life Span of Slang Words   With the exception of cool, which retains its effectiveness after well over half a century, slang words--groovy, phat, radical, smokin--have a very brief life span in which they can be used to express sincere enthusiasm. Then they revert to irony or, at best, expressions of a sort of mild sardonic approval. (Ben Yagoda, When You Catch an Adjective, Kill It. Broadway Books, 2007)  The latest slang term for defecation, however, is dropping the kids off at the pool, which offers hope for a new generation of euphemistic suburbanites. (William Safire, Kiduage. The New York Times, 2004) Slanguage   The expression slanguage has been in the English language for well over a hundred years and has an entry in reputable dictionaries like the Macquarie and the Oxford. One of its first written appearances was as early as 1879, and since that time it has been in regular use--The slanguage of a sporting reporter is a fearful and wonderful thing, to give just one early example. The word slang has given rise to quite a number of wonderful blended or compounded words, such as slanguage, and many of them have been in the language a very long time. (Kate Burridge, Gift of the Gob: Morsels of English Language History. HarperCollins Australia, 2011) Can O' Beans on Sloppy Slang   Well, said Can o Beans, a bit hesitantly, imprecise speech is one of the major causes of mental illness in human beings. . . .  Ã‚  The inability to correctly perceive reality is often responsible for humans insane behavior. And every time they substitute an all-purpose, sloppy slang word for the words that would accurately describe an emotion or a situation, it lowers their reality orientations, pushes them farther from shore, out onto the foggy waters of alienation and confusion. . . .  Slang possesses an economy, an immediacy thats attractive, all right, but it devalues experience by standardizing and fuzzing it. It hangs between humanity and the real world like a . . . a veil. Slang just makes people more stupid, thats all, and stupidity eventually makes them crazy. Id hate to ever see that kind of craziness rub off onto objects. (Tom Robbins, Skinny Legs and All. Bantam, 1990) The Lighter Side of American Slang I know only two words of American slang: swell and lousy. I think swell is lousy, but lousy is swell. (J.B. Priestley) * Jane was a magazine designed to appeal to young women. It ceased publication in 2007. Pronunciation: slang

Essay on Frankenstein Reflecting Mary Shelley’s Life...

The above quote by Bloom is an explanation of the view that all the gothic novels are interpretation of psychological and social factors and this is especially true in the case of Mary Shelley. Shelley began her novel at the age of 18 when the most prominent materials in the consciousness and unconsciousness of Shelley were concerned with the conflicts stemming from the death of her mother. Frankenstein is the outcome of Shelley’s unresolved grief for the death of her mother which was the crisis she needed to work through to forget her own adult identity. Mary was the daughter of a revolutionary author Mary Wollstonecraft who is regarded as one of the earliest feminist writers by the critics (Zimmerman, 2007, 65-123). By some of the†¦show more content†¦By the novel, Mary discusses several issues related to relationships which terrorize aspects of her personal life, including birth and childhood, the death of her mother, her miscarriage and new child and her coming across with the events which occurred in the summer of 1816 (see notes). Creation of â€Å"Frankenstein† â€Å"Frankenstein† by Mary Shelley was born out of the waking nightmare she had on June 16, 1816 (see notes 1 and 4). It was an intense vision that produced one of the greatest and powerful horror stories n the western literature, it is a story which assumed a mythic view as it taken into account the profound result concerning understanding of a man of his position in the world and the results of transgressing against nature and God (Gilbert, 2000, 1-4). On the time of conception of Frankenstein, Mary and Percy Shelley were living outside Geneva at a cottage on water at Cologny. They were the visitors at a nearby â€Å"villa diosatui† where Lord Byron and his physician, Clair Clairmont and John Polidori were living at that time. The group remained indoors due to an incessant rainfall. One of the evenings, when they were sitting around reading ghost stories, they agreed to write their own terrible tale (Zimmerman, 2007, 65-123). Mary tried to imagine such a story for several days to come with Frankenstein. Provided the very unconventional group of friends assembles that June, there is no surprise that a unique story of Frankenstein was created. 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The Crucible By Arthur Miller - 1116 Words

What the hell is going on in Salem? Everyday someone new is being accused of being a witch. No one is safe. Hide your kids; hide your wife, because they are accusing everyone around here. In the play, The Crucible, the Salem Witch Trials are taking place and many people are being falsely indicted of practicing witch craft. Thus, meaning many innocent individuals are being hanged because of the lies of four young girls. The Crucible, has many themes, but the most impactful one is hands down â€Å"Power Corrupts†. It outlines every little detail in the story of how Judge Danforth, Abigail, and Reverend Hale become evil and corrupt with the power they obtain throughout the plot of the story. In the play, Abigail is thought to be the ring leader of†¦show more content†¦Since Abigail knows people will have pity on her, she uses this to her advantage when she is talking to Parris about Goody Proctor, John Proctor’s wife, where she says, â€Å"She hates me uncle, she must, for I would not be her slave† (Miller 1132). When she says this, Abigail implies that everyone is attacking her by redundantly accusing her of practicing witch craft in the woods. In the end, Abigail triumphs everyone when her and Mercy Lewis run off together after they steal a lump sum of money from Parris’ secret saving stash. So whether or not Abigail is truly guilty, it doesn’t matter because she got away. Reverend Hale is also another character corrupted with power. When he is called into Salem to examine Parris’ daughter, Betty, he automatically thinks he is going to find sinister spirits within her with ease; especially when he states, â€Å"†¦Here are all your familiar spirits, your incubi, and succubi, your witches that go by land, by air, and by sea; your wizards of the night and of the day†¦Ã¢â‚¬  (Miller 1150). By declaring this, Hale is giving the notion that Salem is full with witches and it will be a walk in the park extorting spirits there. Although his main purpose in Salem is to simply analyze Betty, he really wants to accuse Abigail because she is thought to be the frontrunner of the entire witch craft situation. This way he will receive

The Problems Of Solid Waste In Turkey Environmental Sciences Essay Free Essays

string(122) " Some occupants use specially produced plastic bags, but most use packaging plastic bags of assorted thickness and sizes\." Abstraction Municipal solid waste ( MSW ) is a major environmental job in Turkey, as in many developing states. Problems associated with municipal solid waste are hard to turn to, but attempts towards more efficient aggregation and transit and environmentally acceptable waste disposal continue in Turkey. Although rigorous ordinances on the direction of solid waste are in topographic point, crude disposal methods such as unfastened dumping and discharge into surface H2O have been used in assorted parts of Turkey. We will write a custom essay sample on The Problems Of Solid Waste In Turkey Environmental Sciences Essay or any similar topic only for you Order Now This article presents a brief history of the legislative tendencies in Turkey for MSW direction and the MSW duty and direction construction together with the present state of affairs of coevals, composing, recycling, and intervention. The consequences of several researches show that about 25 million ton of MSW are generated yearly in Turkey. About 77 % of the population receives MSW services. In malice of attempts to alter unfastened dumping countries into healthful landfills and to construct modern recycling and composting installations, Turkey still has over two 1000 unfastened mopess. Reappraisal of the Turkish legislative model in MSW direction In 1983, the Ministry of Environment in Turkey published Environmental Law 2872 as the first phase in order to better the environmental state of affairs in the state. However, there was no consensus on the best option for MSW direction in the jurisprudence. In 1991, the Solid Waste Control Regulation came into force in order to pull off solid waste. The ordinance played a cardinal function in solid waste aggregation, storage, conveyance, and disposal. The ordinance has been continuously updated. In add-on, Turkey developed ordinances for medical waste in 1993 and for risky waste in 1995. The Medical Waste Control Regulation established a basic action line for medical waste direction based on the aggregation, storage, conveyance, and disposal or reuse of the waste by its proprietor. Some types of waste, such as radioactive wastes, were excluded from that jurisprudence. The Hazardous Waste Control Regulation set the standards for the aggregation, conveyance, and concluding disposal of risky waste, including options for land filling or incineration, every bit good as the design standard and the operational regulations for healthful landfills and incinerators. The ordinance besides focuses on the minimisation of risky waste and encouragement of recycling. By legal definition, municipal solid waste includes all the waste originating from human activities that are usually solid and that are discarded as useless or unwanted. Municipal solid waste by and large consists of waste generated from residential to commercial countries, industries, Parkss, and streets [ 1 ] . In metropoliss in Turkey, community enterprises in solid waste direction are presently being supported by the municipal governments, who guide their activities harmonizing to the statute law and policies dictated by the Ministry of Environment and Forestry ( MEF ) . The model of duty and direction of MSW in Turkey is shown in Figure 1. MSW comes from commercial services, industries, health care installations, and citizens in Turkey. Some private endeavors are responsible for the aggregation and conveyance of solid waste and for the sorting of individually collected packaging waste. After screening, the packaging waste is directed towards the recycling industry [ 2 ] . Fig. 1. Model of duty and direction of MSW in Turkey. MSW coevals and composing Until 1994, there were merely estimations of MSW coevals in Turkey because of the predomination of unfastened dumping and the trouble of entering MSW coevals. The absence of dependable informations and statistics for waste coevals and composing makes a regional and national rating of MSW direction hard. The Turkish State Statistical Institute has compiled statistics about MSW direction since 1994 [ 3 ] . In the 1960s, 3-4 million ton of municipal solid waste per twelvemonth was generated in Turkey. However, harmonizing to the Turkish State Statistical Institute ‘s 2004 database, about 25 million ton of MSW was generated yearly ( Figure 2 ) . Fig. 2. Sum of MSW collected in Turkey. Increasing population degrees, rapid economic growing, and the rise in community life criterions will speed up the hereafter solid waste coevals rate in Turkey. The sum of MSW per capita in the summer and winter seasons from 1994 to 2004 is given in Figure 3. The coevals rate per capita varies well from the summer season to the winter season. As seen in Fig. 3, in the 1990s Turkey generated a higher sum of MSW in the summer than in the winter. MSW coevals rates in summer and in winter are 1.30 and 1.29 kg/cap/day in 2004, severally. This is a consequence of the decreasing use of fossil fuel for day-to-day warming. Fig. 3. Sum of MSW per capita ( kg/cap/day ) Technologies in usage for managing and intervention of MSW Collection and transit of MSW There are 3225 municipalities in Turkey, and 16 of them are metropolitan municipalities. A sum of 3028 municipalities have solid waste direction services. The population having solid waste services from 1994 to 2004 is shown in Fig. 4. As can be seen, the per centum of the population having solid waste services increased from 71 % in 1994 to 77 % in 2004 ( Fig. 4 ) . Fig. 4. Percentage of entire population having solid waste services of Turkey. However, the per centum of municipalities roll uping and transporting solid waste in the municipalities is 95 % . In most of the colony units of Turkey, the aggregation and transit constituents of MSW direction are by and large good organized. The municipalities spend all of their attempts and budgets for these services. There are two types of aggregation systems in the municipal countries of Turkey [ 4 ] . Collection Systems of MSW 1. Curb Side Pickup This system is operated in the cardinal parts of the metropoliss and big towns. In this aggregation system, a solid waste aggregation vehicle Michigans at each edifice to pick up the garbage, either in plastic bags or in kitchen bins. Where this system is operated, the waste is collected daily or twice a twenty-four hours. Some occupants use specially produced plastic bags, but most use packaging plastic bags of assorted thickness and sizes. You read "The Problems Of Solid Waste In Turkey Environmental Sciences Essay" in category "Essay examples" The kitchen bins used by the occupants of most parts are non standard, either in size or in fabricating stuff. 2. Community Bin System This system is normally practiced in little colonies and the ill developed peripheral parts of urban countries. Depending on the population of an country, community bins with assorted non-standard sizes and theoretical accounts are placed on the streets, and waste from these bins is collected by assorted types of vehicles, runing from tractors to compactors. The bins are by and large emptied or replaced in some municipalities two or three times a hebdomad. Due to the addition of population and rapid urbanisation, the roads in the peripheral parts in some urban Centres are really hapless, so the aggregation vehicles can non make the community bins in these countries during rainy periods and therefore the community bins can non be emptied on a regular basis. The MSW from these countries by and large contains high concentrations of putrescent affair, which makes them peculiarly prone to do aesthetic and environmental perturbations to neighboring populations, particularly when the commun ity bins or poulet bins are non emptied within 48 H of adding the garbage to the bins. Medical waste from healthcare constitutions to other risky wastes are by and large put into the community bins alternatively of being collected individually by specially designed trucks and workers. However, some municipalities individually apply aggregation and transit systems, particularly municipalities with high populations. A little sum of medical waste is disposed by firing in Turkey. The infective solid waste, together with MSW, is by and large discharged to dumping countries of municipalities. Municipalities use their ain vehicles for solid waste aggregation and transit. Both the aggregation and transit services are performed by the same vehicles. By and large, transportation theoretical accounts are non used in Turkey. The aggregation and transit vehicles are by and large trucks with capacities of 3.5-7 ton. Tractors are besides used in many countries in big metropoliss. Disposal of MSW In many metropoliss in Turkey, lacks in the proviso of waste services are the consequence of unequal fiscal resources, direction, and proficient accomplishments of municipalities and authorities governments to cover with the rapid growing in demand for services. Methods of disposal of solid waste, harmonizing to the Turkish State Statistical Institute ‘s 2004 database, are shown diagrammatically in Figure 5. Fig. 5. MSW disposal methods in Turkey There are 16 healthful landfills, five composting workss ( three of which are being actively operated ) , and three incineration workss in Turkey. In 2004 25,013,521 ton of MSW were collected, whereas 7,002,000, 351,000, and 8000 ton were disposed of in healthful landfills, composted, and incinerated, severally. A sum of 17,661,254 ton of waste was disposed of without any control. There are typically a big figure of scavengers at garbage bins in Turkey. The stuffs collected are subjected to some degree of intermediate processing, such as separating, rinsing and drying. The rescued stuffs re so sold to decline traders, who further separate the stuffs and sell them to allow processing/ recasting Millss and mills. It is estimated that about 10-15 % of MSW is recycled by scavengers. Agreements in Management Strategies and Duties The conventional waste aggregation and disposal system in Turkey consists of refuse trucks and unfastened dumping. However, the tendency for disposal of MSW is towards implementing waste recreation and making an integrated MSW direction system. An incorporate system requires many direction options, such as beginning decrease, kerb side recycling, material recovery, waste-to-energy, healthful land filling, and composting. Physical and chemical informations can be analyzed to find the physical makeup and the chemical content of the MSW watercourse consecutive, supplying of import information for MSW direction systems. Although the physical composing analysis may straight back up the appraisal of material recovery, kerb side recycling, and composting, the energy content may greatly back up the probe of the thermic intervention potency. Bettering the criterion of direction and operation of some bing installations at much lower cost may offer considerable betterment in environmental publi c presentation. Additionally, puting out a plan of planned closing and redress of the most contaminated garbage dumps will represent an early measure in the development of the national waste scheme [ 5 ] . Co-disposal of MSW with risky medical and industrial wastes creates a great concern for public wellness. From this point of position, the execution of solid waste direction schemes will cut down the hazard of environmental pollution. In Turkey, a negligible sum of MSW is presently being recycled. Ill organized aggregation systems for recoverable wastes, deficiency of support, and low inclination of occupants to segregate waste are factors impacting the efficiency of recovery. If there are no recycling plans in metropoliss, it is of import for waste directors to find the per centum of recyclables in the waste watercourse, every bit good as what per centum of these recyclables is marketable. If metropoliss have had recycling plans, the sum of reclaimable stuff could supply valuable information by placing the gaining control rates in recycling Centres. Municipalities are responsible for guaranting that the waste generated y their occupants and constitutions is collected and dece ntly managed. A major job is the current hapless status of the economic system in Turkey. The sum of financess available from municipal budgets for MSW betterments should be increased. Costss and Financing of MSW Collection and Recovery Operations Cost informations on solid waste direction in Turkey is normally extremely controversial and complicated due to the nature of the topic. The cost informations is farther complicated by the particulars of the Municipal Region and the cost accounting methodological analysis employed. In order to give an thought of how dearly-won the MSW intervention is, an illustration from a recent survey is given below [ 6 ] . In this case, two separate Municipal cost analyses have been conducted. The first one covered Municipal aggregation and conveyance costs whereas the other one is basically an economic public presentation analysis of two small-medium scale stuff recovery installations. The first set of information was collected from 24 selected Municipalities from the Aegean Coast of Turkey. The set of informations includes merely the aggregation and conveyance costs of municipal solid waste ( Table 1 ) . Table 1. Cost informations for municipal solid waste aggregation and disposal Table 2. Cost appraisal for a medium sized metropolis broad recycling programme for Turkey Premises: Population: 1.0 million, MSW: 1000 tons/day, % reclaimable waste: 20 % sum recycable waste: 200 tons/day, engagement rate: 45 % , material recovery: 90 tons/day. In order to do comparative appraisal and derive some commercial penetration towards the separate aggregation programmes, cost informations has been gathered from separate aggregation programmes in Turkey. The information on cost of aggregation and sorting has been summarized in Table 2 for a medium-to-large metropolis. An mean population is estimated to be 1.0 million. Based on the elaborate waste analysis, a cost/revenue analysis for a metropolis broad recycling programme is made. The analysis given in Table 2 indicates that grosss are sufficient to cover the general operational costs of material recovery installations if operated at full capacities. Depending on the beginning composing or depending on the aggregation method employed, a comparatively acceptable commercial net income can be retained. In Table 2, costs points are categorized with different types of aggregation methodological analysis. Collections through bring-centres outputs comparatively high investing costs and low operational costs, whereas door-to-door aggregation of reclaimable stuffs by plastic bags has the lowest investing cost. However the go oning ingestion of plastic bags outputs comparatively higher operational costs. Decision and Suggestions Based on the consequences of TURKSTAT [ 7 ] , it can be concluded that MSW direction is a major job confronting municipalities. The one-year waste coevals additions in proportion to the rise in the population and urbanisation, and issues related to disposal have become ambitious as more land is needed or the ultimate disposal of solid waste. Open mopess can be damaging to the urban environment. In malice of attempts to alter unfastened mopess into healthful landfills and to construct modern recycling and composting installations, Turkey still has over 2000 unfastened mopess. The Solid Waste Control Regulation is applied decently in the phases of aggregation and transit, but the chief job is the readying of healthful landfills and rehabilitation of unfastened mopess because of deficient funding. Currently, electricity production from waste incineration is instead low in Turkey. This is because several of incineration workss lack the capacity to bring forth electricity. Determining met hods of concluding waste disposal requires an apprehension of the makeup of the MSW watercourse. A MSW decision- support system based on incorporate solid waste direction should be developed for metropoliss in Turkey. The sum of solid waste collected in Turkey in 2004 was 25,013,521 ton ; 27.99 % , 1.4 % , and 03 % of MSW is disposed of in healthful landfills, composted, and incinerated, severally. This indicates that 70.57 % of the entire sum of MSW was disposed of without any control. In Turkey, MSW is largely composed of domestic residues, and its composing varies by season. Solid waste generated by and large consists of a high organic fraction because of high ingestion of veggies and fruits. In rural countries, the ash content is higher due to the usage of ranges for heating intents in the winter. In Turkey, as in many developing states, there is a deficiency of organisation and planning in MSW direction due to deficient information about ordinances and due to fiscal limitations. In the short term, the best policy might be to go forth disposal methods without any controls, and utilize the resources available to upgrade them with environmental protection systems. In the long term, the building of new healthful landfill countries, composting, and incineration installations could be planned. Public engagement and consciousness are besides of import issues in accomplishing the ends of the suggested direction system, but it is hard and takes a long clip to do people cognizant of the importance and of the rules of the proposed direction system and to consequence their engagement. The reappraisal of municipal and family solid waste statistics in Turkey indicates that mean family waste coevals per capita is 0.6 kg/day and mean municipal solid waste is 0.95 kg/day. The composing of municipal solid waste varies by the beginning of waste ; nevertheless in all instances organic components histories for more than 50 % of municipal solid waste. Detailed cost analyses indicate that stuff recovery installations are normally self sufficient if operated at their established capacities, whereas initial investing to put up large-scale aggregation and recovery strategies still remains to be the major barrier that the municipalities have to get the better of. How to cite The Problems Of Solid Waste In Turkey Environmental Sciences Essay, Essay examples

Why Is Visual Literacy Important free essay sample

In our text and through Brian Kennedy and the video Visual Literacy: Why we need It! the definition of Visual Literacy Is revealed. We also realize that It Is a language that such as music It Is universal as we as people can interpret and see what the message of the Image Is all about. Brian Kennedy defined Visual Literacy as: The ability to construct meaning from Images (Kennedy, 2010). We see an Image and we can create a meaning In regards of that image and we can tell ourselves or others what the image is all about. We will write a custom essay sample on Why Is Visual Literacy Important or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page In our textbook visual literacy involves the competent creation and consumption of visual messages. These activities require not only the physical ability of sight but the cognitive abilities of attention, perception, critical thinking, evaluation, and synthesis with other sensory information and experiences (Ryan, 2012). Therefore what we see is that in our textbook that Visual Literacy is the creation and consumption of images that need to be seen and that a person basically needs to have the ability to define, evaluate and feel what the image is all about.Kennedys definition is straight and simple to develop a meaning from the Image. We do need the cognitive ability to think and evaluate In order to define what the Image Is and what it represents. As In regards of what Visual Literacy means to me Is the way we can define and Interpret what an image is and the message it is providing to the viewer. When we look at Visual Literacy we can truly say it is a universal language. We can say it is because we can see what the image is and what it is trying to tell us. It is communicating to us in silent form, but we are the ones that give it a voice or a text.An image is something that we see and image is something that can be imagined and we can see what it means to us and what it represents to every one of us. Just like music in where we can hear a melody or what the singer is saying to the audience we can define what it means, we can do the same with an image. Visual Literacy can impact communication and global understanding through allowing us the viewer to see what is going on, to see what the place or the word represents. We can see and feel what he Image Is displaying to us and what It represents.We can all have different definitions or meanings to what the Image means to us because we all think differently. One thing is that the image provided an impact to every single one of us. Will allow many others of different nationalities and beliefs to see what the image is representing. Visual Literacy is a universal language that allows us to provide a meaning or that it gives a meaning to the subject in a silent form. Visual Literacy is something that allows us to look at something in this case an image such as a hotplate and us as the viewer can define what it means.