theories of first and second language acquisition ppt

... Hohle (1978), Olsen and Samuels (1973) also suggest the effect of learner’s age on the rate of second language learning, the process of second language acquisition and second language achievement ... powerful impact of learning strategies on the learning and teaching of foreign and second language Good choice and use of learning strategies would help learners become more independent and autonomous ... results of the language proficiency test and their IQ test at the beginning of the school year The group of student was selected to be the target population of this research firstly because of the...

Ngày tải lên: 29/01/2014, 00:23

... into the influence of the number of hops and the severity of fading on the instantaneous channel capacity, and hence they are very useful for the design and performance analysis of multihop communication ... analysis of the capacity of N ∗Nakagami-m channels Specifically, we have studied the influence of the severity of fading and the number of hops on the PDF, CDF, LCR, and ADF of the channel capacity ... first- and second- order statistics of the capacity of N ∗Nakagami-m channels for applications in cooperative networks Gulzaib Rafiq∗1 , Bjøn Olav Hogstad2 and Matthias P¨tzold1 a Faculty of Engineering...

Ngày tải lên: 20/06/2014, 20:20

... Second Language Acquisition 1.6 Theories of Second Language Acquisition 1.7 Factors affecting Second Language Acquisition 1.8 Relationship between classroom discipline and second language acquisition ... discipline and motivation maintenance 1.5 Definition of Second Language Acquisition Since the early childhood of second language teaching, language acquisition has been a subject of interest ... items: • Language: Linguistic difference between two languages students' level of proficiency in the native language and their knowledge of the second language, the dialect of the native language...

Ngày tải lên: 07/09/2013, 13:06

Ngày tải lên: 23/03/2014, 17:20

... Cook 1993 Linguistics and Second Language Acquisition Macmillan Press Ltd, London Heidi C Dulay and Marina K Burt 1974 Natural sequences in child second language acquisition Language Learning, 24:37-53 ... New York Stephen Krashen Second Language Acquisition and Second Language Learning Pergamon Press, Oxford Diane C Lillo-Martin 1991 Universal Grammar and American Sign Language Kluwer Academic ... model language acquisition, it must also model the addition (and possible subtraction) of syntactic features in the lexicon and grammar of the learner For instance, ASL natives have a great deal of...

Ngày tải lên: 31/03/2014, 04:20

... second language, the study of another language and culture can only enhance their perception and understanding of other cultures No matter what the underlying motivation to study a second language, ... both the type and combination of motivation that assists in the successful acquisition of a second language At the same time it is necessary to view motivation as one of a number of variables ... the most influential in second language acquisition These include the variables of intelligence, language aptitude, motivation and situational anxiety (Giles and Coupland 1991) Closely interrelated...

Ngày tải lên: 06/09/2013, 10:10

... diameters (Snook and van Megan, 1979, 1980, 1981; van Megan and Snook, 1979, 1981; Kjellander and Marcelja, 1985a,b; Tarazona and Vincente, 1985; Henderson and Lozada-Cassou, 1986; Evans and Parry, ... Friction • Simple Molecular Model of Energy Dissipation ε 9.12 Friction and Lubrication of Thin Liquid Films Smooth and Stick-Slip Sliding • Role of Molecular Shape and Liquid Structure 9.13 Stick-Slip ... the surface and interfacial energies of planar surfaces as well as the strengths of materials and adhesive junctions Adhesion forces are often strong enough to deform the shapes of two bodies...

Ngày tải lên: 17/12/2013, 11:15

... Modulus of Elasticity by Cantilever Deflection Measurement • Determination of Hardness and Modulus of Elasticity of Thin Films from the Composity Response of Film and Substrate 10.4 Examples of Measured ... nominal angle of 65.3° between the (side) face and the normal to the base at apex, an angle of 76.9° between edge and normal, and with a radius of the tip less than 0.1 µm (Figure 10.14a and b) (Berkovich, ... monitor cracking of the surfaces and subsurfaces The nucleation and growth of cracks result in a sudden release of energy within a solid; then some of the energy is dissipated in the form of elastic...

Ngày tải lên: 25/12/2013, 23:18

... devices, MEMS, and other microcomponents 1.1 History of Tribology and Its Significance to Industry Tribology is the science and technology of two interacting surfaces in relative motion and of related ... substantial and significant, and these savings can be obtained without the deployment of large capital investment The purpose of research in tribology is understandably the minimization and elimination of ... (Foster and Frommer, 1988; Smith et al., 1989, 1990; Andoh et al., 1992), to manipulate individual atoms of xenon (Eigler and Schweizer, 1990) and silicon (Lyo and Avouris, 1991), in formation of...

Ngày tải lên: 23/01/2014, 04:20

... square pulse of width 12 between 310 and 356, a triangle of period 40 between 356 and 396, a triangle of period 20 between 400 and 420, a triangle of period 12 between 430 and 442, and, finally, ... plate area A of 20 µm by 40 µm and a separation of µm, one obtains a capacitance of 31 fF (neglecting stray capacitance and the capacitance of the connection leads) and a dC/dx of 3.1 × 10–8 ... other hand, forces of the order of 10 to N destroy some biological samples 2.2 The Mechanics of Cantilevers 2.2.1 Compliance and Resonances of Lumped Mass Systems Any one of the building blocks of...

Ngày tải lên: 27/01/2014, 14:20

... description of issues and techniques in the physics of surfaces of interest in nanotribology This field of research is exceedingly difficult with the effects of a wide variety of materials and phenomena ... the disparity between true area of contact and apparent area of contact and the tracking of friction force with load, since the asperities and thus the true area of contact change with asperity ... surface band structure and surface states, localized electronic states created because of the presence of the surface The second piece of information given is the total energy in terms of the electron...

Ngày tải lên: 27/01/2014, 14:20

... Example of nanofabrication The letters “OHIO” (which stands for the state of Ohio) were generated by scratching a Si(111) surface using a diamond tip at a normal load of 50 µN and writing speed of ... 7.2 Surface plots of (a) Si(111) scratched for ten cycles at various loads and a scanning velocity of µm/s (note that the x- and y-axes are in µm and the z-axis is in nm), and (b) Si(100) scratched ... is not required, and this dry nanofabrication process can be used where use of chemicals and electric field is prohibited One disadvantage of this technique is the formation of debris during scratching...

Ngày tải lên: 27/01/2014, 14:20

... springs, and impacting microvibromotors Recently, micromirrors that consist of multiple hinged plates which Updated, expanded, and revised version of article first published in Micro/Nanotribology and ... at Sandia Laboratories (Courtesy of P McWhorter.) FIGURE 13.7 McWhorter.) Rotor driver on the wheel assemblage of Figure 13.6 made at Sandia Laboratories (Courtesy of P shows a photograph of the ... tiny driven rotor of Figure 13.6 Next to the rotor in Figure 13.7 are clumps of red blood cells and, adjacent to the side arms, a grain of sand The MEMS field has begun to expand in several directions...

Ngày tải lên: 27/01/2014, 14:20

... roles of ANGPTL2 and ANGPTL6 ⁄ AGF in obesity and related metabolic diseases, and discuss whether these ANGPTLs could be targets for the prevention and treatment of these conditions Suppression of ... Induction Fig Schematic diagram showing the roles of ANGPTL2 and ANGPTL6 ⁄ AGF in obesity and related metabolic diseases The expression of ANGPTL2 and ANGPTL6 ⁄ AGF is induced in obese conditions ... inflammation and systemic insulin resistance through the induction of vascular inflammation and monocyte migration ANGPTL6 ⁄ AGF antagonizes obesity and insulin resistance through the enhancement of systemic...

Ngày tải lên: 14/02/2014, 22:20

... of the ISAs It is assumed that practitioners already have a knowledge of the 2007 edition of IFAC’s Handbook of International Auditing, Assurance, and Ethics Pronouncements • Use of sound professional ... INTERNATIONAL STANDARDS ON AUDITING IN THE AUDITS OF SMALL- AND MEDIUM-SIZED ENTITIES Request for Comments This is the first version of the Guide While we consider this Guide to be of high quality and useful ... establishing and promoting adherence to high-quality professional standards, furthering the international convergence of such standards and speaking out on public interest issues where the profession’s...

Ngày tải lên: 18/02/2014, 05:20

... Disabilities and English -Language Learners Summary of a Workshop Judith Anderson Koenig, editor Board on Testing and Assessment Center for Education Division of Behavioral and Social Sciences and Education ... Elliott, professor at the University of Wisconsin; Gerald Tindal, professor at the University of Oregon; Jamal Abedi, adjunct professor at the UCLA Graduate School of Education and director of technical ... the writing and reading tests, use of a calculator or slide rule, use of English -language or foreign -language reference materials, and translation of test items Additional information and 32 REPORTING...

Ngày tải lên: 19/02/2014, 09:20

... period of decline in the history of the stock market In this section we explore both of these issues: the volatility and resiliency of the market since the crash, and the unusual nature of trading ... fundamental factors of the seizing up of the credit markets, major declines in the price of housing and resulting foreclosures, declines in the value of CMOs, and the extent of bank leverage, bank ... of Georgia in December of 2008 He will be an Assistant Professor of Finance at the University of San Diego in the fall of 2009 His research is in asset pricing Jeffry Netter is the C Herman and...

Ngày tải lên: 19/02/2014, 13:20

... variety of annotations including word segmentation, pronunciation, and part of speech In this experiment, we randomly selected 90% of the sentences in the EDR Corpus for training The first column of ... for testing The second column of Table shows the number of sentences, words, and characters of the test set By using an OCR simulator, we made four sets of character matrices whose first- rank recognition ... was 91% for magazines and introductory textbooks of science and technology (Ito and Maruyama, 1992) used part of speech bigram model and beam search in order to get multiple candidates in their...

Ngày tải lên: 20/02/2014, 18:20

... discovered the islands of Disappointment, George's, Prince of Wales's, the isles of Danger, York Island, and Byron Island He returned to England the 9th of May, 1766, and, in the month of August following, ... perfectly satisfied with the choice of the officers The second and third lieutenants, the lieutenant of marines, two of the warrant officers, and several of the petty officers, had been with me during ... Arrival of the Ships at Amsterdam; a Description of a Place of Worship; and an Account of the Incidents which happened while we remained at that Island III A Description of the Islands and their...

Ngày tải lên: 21/02/2014, 11:20

... consist of stones and gravel, often of a flinty nature, and often also containing particles of iron Some basaltic appearances in one of the districts into which the island is divided, and several ... middle of the island, and there form mountains, which may be seen at the distance of sixty miles: Between the foot of these ridges and the sea, is a border of low land, surrounding the whole island, ... number of rivulets of excellent water, and covered with fruit-trees of various kinds, some of which are of a stately growth and thick foliage, so as to form, one continued wood; and even the tops of...

Ngày tải lên: 21/02/2014, 11:20