importance of positive feedback for students

... in Feedback Strategies for Students’ Trang 6LIST OF CHARTS Chart 4.1 Types of Errors Teachers give Feedback for Individuals and for Chart 4.2 Characteristics of Errors for Teachers to Give Feedback ... selection of people giving correction Trang 292.5.1 Types of Feedback Strategies for Speaking Errors However important feedback strategies for speaking errors are, the selection of feedback for each ... corrective feedback among the students Teachers were the most popular source of feedback among both the teachers and students In Vietnamese context, the issue of feedback for speaking errors is of interest

Ngày tải lên: 01/10/2019, 18:33

... two positive solution, if f satisfy i f0< 1/λη0, f∞< 1/λη0, ii There exists R0> 0 such that ft, u, v ≥ θR0/λη1, for t ∈ 1/4, 3/4, |u|  |v| ≥ θR0 Proof By the proof ofTheorem ... Introduction The existence of positive solutions for nonlinear fourth-order multipoint boundary value problems has been studied by many authors using nonlinear alternatives of Leray-Schauder, the ... Then BVP1.2 has at least one positive solution if one of the following cases holds: i f0< 1/λη0, f ∞> 1/λη1, ii f 0> 1/λη1, f∞< 1/λη0. Proof For any h ∈ Y , consider the

Ngày tải lên: 21/06/2014, 07:20

... the uniqueness of fixed points A in D, we get "y  y∗ Therefore, we have lim n→ ∞x n lim n→ ∞y n  y∗. 3.41 This completes the proof of the theorem Remark 3.2 From the proof ofTheorem 3.1, ... economics, neural network, ecology, and cybernetics, for details, see Trang 2 1 7and multiplicity of positive solutions of fourth-order problem, for example, 8 10 particular the discrete problem ... Uniqueness of Positive Solutions for Discrete Fourth-Order Lidstone Problem with a Parameter Yanbin Sang,1, 2 Zhongli Wei,2, 3 and Wei Dong4 1 Department of Mathematics, North University of China,

Ngày tải lên: 21/06/2014, 18:20

... ut > 0 on 0, 1 Then, ut is a positive solution of SBVP1.1, 1.2. Proof Since u ∈ C0, 1 is a solution of 2.12 with ut > 0 on 0, 1, then for each t ∈ 0, 1, t 0 s 1 − tfs, ... continuity of integral, we have that for each number ε > 0, there is a positive number δ > 0 such that for all t1, t2 ∈ 0, 1, if |t1 − t2| < δ, then |t2 t1Mtdt| < ε It follows that for ... ft, λ /≡ 0,1 0t1 − tft, λt1 − tdt < ∞, for all λ > 0. The purpose of this paper is to establish existence and uniqueness result of positive solution to SBVP1.1, 1.2 under conditions

Ngày tải lên: 21/06/2014, 18:20

... ≤ KM x for some positive constantsK m , K M They established the existence results for at least one positive solution by using a fixed point theorem of cone expansion and compression of functional ... Existence of Positive Solutions for Multipoint Boundary Value Problem with p-Laplacian on Time Scales Meng Zhang,1 Shurong Sun,1 and Zhenlai Han1, 2 1 School of Science, University of Jinan, ... defined on 0, ∞, B1x ≤ B0x ≤ B2x for some positive constants B1, B2 They established the existence results for at least single, twin, or triple positive solutions of the above problem by using Krasnosel’skii’s

Ngày tải lên: 21/06/2014, 20:20

... that for each  > 0, there is a neighborhood U of t such that  fσt − fs − fΔtσt − s ≤ |σt − s| 2.2 for all s ∈ U. For f : T → R and t ∈ T k , the nabla derivative of f ... been done on the existence of positive solutions for higher order p-Laplacian m-point boundary value problems with nonlinearity f being nonnegative on time scales Therefore, it is a natural problem ... Article The Existence of Positive Solutions for Third-Order p-Laplacian m-Point Boundary Value Problems with Sign Changing Nonlinearity on Time Scales Fuyi Xu and Zhaowei Meng School of Science, Shandong

Ngày tải lên: 21/06/2014, 20:20

... Conditions for the Existence of Positive Solution for Singular Boundary Value Problems on Time Scales Meiqiang Feng,1 Xuemei Zhang,2, 3 Xianggui Li,1 and Weigao Ge3 1 School of Science, Beijing Information ... existence of positive solutions to boundary value problems for differential equations on time scales; see, for example, 1 22 This has been mainly due to its unification of the theory of differential ... existence of C ld 0, 1Tas well as CΔld 0, 1Tpositive solutions for a class of singular boundary value problems on time scales The results significantly extend and improve many known results for

Ngày tải lên: 21/06/2014, 20:20

... criteria for the existence of at least one positive solution to BVP (1.1) To the best of our knowledge, no paper in the literature has investigated the exis-tence of positive solutions for BVP ... bound-ary value problems for fourth-order differential equations is observed; see, for example, [3–8] In this paper, we are concerned with the existence of positive solutions for the follow-ing fourth-order ... Krasnoselskii’s theorem of cone expansion/compression type has been used to study the existence of positive solutions of boundary value problems in many papers; Trang 5Chuanzhi Bai 5 see, for example, Liu

Ngày tải lên: 21/06/2014, 22:20

... existence of positive solutions for boundary value problems of nonlinear functional difference equations with p-Laplacian operator is investigated Sufficient conditions are obtained for the existence of ... and (3.4), there exists one positive fixed point y2of operatorΨ with y2∈ K ∩(ΩR1\Ωr1) Consequently, x1= y1+x or x2= y2+x is a positive solution of BVP Trang 8Proof of Theorem 2.4 Assume that ... three positive solutions if the conditions (H3)–(H6) hold. 3 Proofs of the theorems Proof of Theorem 2.3 Assume that (H3) and (H4) hold For everyy ∈ K ∩ ∂Ω ρ1,y = ρ1,y + xy+xρ1+ρ0, then

Ngày tải lên: 22/06/2014, 19:20

... method for investigating the rate and profile of blowup of solutions of diffusion equations with nonlocal reaction terms He obtained the uniform up rate and blow-up profile for large classes of equations ... properties of positive solutions for a nonlocal equation with nonlocal boundary conditionu(x, t) =Ωf (x, y)u(y, t)d y on ∂Ω×(0,T) The conditions on the existence and nonexistence of global positive ... → T u(x, t) G(t) =lim t → T u(t) ∞ uniformly on compact subsets of Ω. Using Lemmas4.1and4.2, the proof ofProposition 4.3is trivial modification of [3, Lemma 4.5 and Theorem 4.1] So we omit

Ngày tải lên: 22/06/2014, 19:20

... basic theory of impulsive differential equations Also, infinite interval problems have been extensive studied, see [1–5,11,12] In this paper we study the existence of positive solutions for the following ... argument to get positive solutions on infinity intervals LetJ =[0,a], a is a constant or a =+∞, in order to define the concept of solution for BVP (1.1), we introduce the following spaces of functions: ... PC1[0,n] is a solution of (2.9) if and only ify is a fixed point of the equation y =L n−1 We apply the Leray-Schauder continuation theorem to obtain the existence of a solution fory =(L n)−1F y.

Ngày tải lên: 22/06/2014, 22:20

... FK uλ . (3.3) 4 Proof of Theorem 1.1 In the proof ofTheorem 1.1, we need the following estimate Lemma 4.1 If u λ is a solution (positive) of problem T0, then  u λ  ≤ C for all λ ≥ 0, where ... references therein, for more informa-tion on(P) λ Actually, problem(P) λis a particular example of a wide class of the so-called nonlocal equations whose study has deserved the attention of many researchers, ... We show that positive solution of truncated problem is a positive solution of(P) λ In Sections2and3, we study the truncated problem and inSection 4, we prove an existence result for problem(P)

Ngày tải lên: 22/06/2014, 22:20

... conceptions of ability,creativities, creative thinking, independence, independent creativitycompetency of students, signs for independence of creativity, and ways tocheck the competence of students, ... enhancement of higher education quality 2 Objective of research Study several solutions that apply positive teaching method in organicchemistry to develop indepence of creativity for students, ... competencyfor students Therefore, the topic “ Developing the indepedence in creativity forstudents in technical universities through teaching organic chemistry” holds ahigh necessity in terms of both

Ngày tải lên: 25/07/2014, 14:39

... observed price of the test data (217.58 of the estimations for the independent data was greater It 4.2 Estimating the e ffect of timber quality variables Being aware of the great importance of the buyers’ ... models for high quality beech timber A new modelling approach was used for ranking the importance of timber quality variables 2 THEORETICAL APPROACH, HYPOTHESES AND STRUCTURE OF THE STUDY Before ... the bids of other timber buyers An amount of 980 logs logs remained unsold For this timber quantity a total of 4 026 written price bids were received by the Forest Service from a total of 27 buyers

Ngày tải lên: 08/08/2014, 00:22

... effective for improving outcomes for patients with CHF versus previously published data for type 2 diabetes to explore the potential impact of the nature of the disease on the types of interventions ... those for patients with CHF, which in turn may affect the way that provi-ders and staff interact and structure the delivery of care for those groups of patients Because of this, we believe that for ... per-formance of a clinical system to be most effective, they must take into account not only the nature of the sys-tem, but also the nature of the disease The purpose of this paper is twofold

Ngày tải lên: 10/08/2014, 10:23

... Ministry of Education and Training issued; Awareness of Management Training College, teachers, students, students’ parents about the importance of the vocational education for high school students ... and role of management activities of the vocational education to contribute to create conditions for the diversification of students positively and effectively; to exploite the functions of the ... contents of the theory of the activities of the vocational education management to meet the needs of human resources in the future; The thesis has found the situation of the activities of the vocational

Ngày tải lên: 01/11/2016, 20:13

... four orientations of activities of ECEP for students and the scientific explanation of the five groups of solutions feasible to improve the effectiveness of ECEP for students of universities in ... position and role of ECEP for students in the current ideological work Therefore, the author chose the issue of "Educating the consciousness of environmental protection for students of universities ... education for students of universities in Hanoi, then propose appropriate solutions to raise the CEP for students Therefore, it is necessary to have an in-depth analysis of ECEP for university students

Ngày tải lên: 10/01/2020, 20:52

... four orientations of activities of ECEP for students and the scientific explanation of the five groups of solutions feasible to improve the effectiveness of ECEP for students of universities in ... position and role of ECEP for students in the current ideological work Therefore, the author chose the issue of "Educating the consciousness of environmental protection for students of universities ... education for students of universities in Hanoi, then propose appropriate solutions to raise the CEP for students Therefore, it is necessary to have an in-depth analysis of ECEP for university students

Ngày tải lên: 19/01/2020, 02:08

... so that it is the forecast of (the log of) the actual exchange rate (and not its change) that are compared. Following Meese and Rogoff (1983), we perform an out -of- sample forecasting exercise ... Bjørnland and Håvard Hungnes The importance of interest rates for forecasting the exchange rate Abstract: This study compares the forecasting performance of a structural exchange rate model ... performs better than the random walk at forecasting the exchange rate at all horizons. The pure PPP model performs worst of all the three models at all horizons, and can therefore not outperform...

Ngày tải lên: 15/02/2014, 05:20

... letter. Proportion of error to length and complexity of response has been considered. 10 Format of a Business Letter There are three basic business-letter formats. Any of these formats is appropriate ... editor of The Wentworth News, to publish an article that will inform the public about the work of the animal shelter. Provide enough information to convince Lesley Thompson of the importance of ... and acceptable for the test. What is most important is that students choose one format and use it consistently so that the overall appearance of the letter is attractive. Note: Students should...

Ngày tải lên: 24/02/2014, 18:20