question about students motivation
Designing a British studies syllabus for the third - year English major at Foreign Language Department, Nghe An teachers' Training College = Thiết kế chương trì
... applicable and suitable for students 2.2 Research questions 16 This study is carried out to find answers to the following questions: What are the third-year English majored students' needs for British ... analyzed In the study, questionnaires and interviews techniques were used 2.3.1 Questionnaires Questionnaires were used as a main data collection method in this study The first questionnaires were ... ambiguous questions to the students had been improved Then, the questionnaires were delivered to 32 students after they had just finished British Studies course The delivered students were well instructed...
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Tài liệu Fundamental Numerical Methods and Data Analysis doc
... used by students to homework exercises Entirely new methods of analysis have appeared that take advantage of computers to perform logical and arithmetic operations at great speed Perhaps students ... undergraduate science and engineering students will have no difficulty dealing with the concepts and level of this book However, it is not at all obvious that second year students couldn't cope with the ... coordinate system about the Z-axis through an angle ϕ Thus, cos ϕ sin ϕ Det − sin ϕ cos ϕ 0 = cos ϕ + sin ϕ = + (1.3.14) In general, the rotation of any Cartesian coordinate system about one of its...
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Tài liệu An Introduction to Statistical Inference and Data Analysis docx
... draw conclusions about a population from “representative information” about it In future chapters, we will discover that a powerful way to obtain representative information about a population ... 53 − = 1490 = 1916 65 Example (The Birthday Problem) In a class of k students, what is the probability that at least two students share a common birthday? As is inevitably the case with constructing ... outcomes for those two students! In most situations, however, the assumption of equally likely outcomes is reasonably plausible Let A denote the event that at least two students in the class share...
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STATISTICS AND DATA ANALYSIS FOR THE BEHAVIORAl SCIENCES docx
... well Further, there may be graduate or special students who lack a class label (e.g., second-year law students, parttime students, evening program students) , but whose input would be desirable ... answer focused questions about cause and effect, to simplify complexity, to uncover heretofore unrecognized relationships among observations, and to make more precise judgments about how and why ... know what the result means Some students who take a first statistics course are concerned about whether their math background is sufficient to well in the class Other students are actually fearful...
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problem solving and data analysis using minitab
... United Kingdom For details of our global editorial offices, for customer services and for information about how to apply for permission to reuse the copyright material in this book please see our website ... the information is passed on in a memorable way This book is aimed at numerical professionals, students or academics who wish to learn and apply statistical techniques for problem solving, process ... could be a particular value We will then compare two data sets and attempt to infer conclusions about them Analysis of Variance The analysis of variance (ANOVA) procedure builds on the last chapter...
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jean - luc starck, fionn murtagh - astronomical image and data analysis
... combination of Gaussian and Poisson noise components, non-stationary noise, and so on – has been a key motivation for the use of wavelets in scientific, medical, or industrial applications The wavelet ... domain The transformed image is called a sinogram (Liang and Lauterbur, 2000) A fundamental fact about the Radon transform is the projection-slice formula (Deans, 1983): ˆ f (λ cos θ, λ sin θ) ... sub-band, hence maintaining the fundamental property of the curvelet transform, that elements of length about 2−j/2 serve for the analysis and synthesis of the jth subband [2j , 2j+1 ] Note also that...
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john a rice mathematical statistics and data analysis, second edition 1994
... for juniors, seniors, or beginning graduate students in statistics, mathematics, natural sciences, and engineering as well as for adequately prepared students in the social sciences and economics ... give students a view of the nature of modern statistics The alternative of teaching two separate courses, one on theory and one on data analysis, seems to me artificial Furthermore, many students ... problems have been added In particular, to help students check their comprehension, these include a large number of routine exercises, such as true-false questions Some more advanced problems have...
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Báo cáo y học: "ptimized design and data analysis of tag-based cytosine methylation assays" pps
... that can study both CG-dense and CG-depleted regions will acquire substantially more information about epigenomic states than those directed at the CG-dense compartment alone In the current study,...
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A Practical Introduction to Structure, Mechanism, and Data Analysis - Part 2 pptx
... it was concluded that a peptide bond has about 60% C O character and about 40% C N character The 40% double-bond character along the C—N axis results in about a 20 kcal/mol resonance energy stabilization ... For example, NHsO hydrogen bonds between amides occur at bond lengths of about Å and are estimated to have bond energies of about kcal/mol Networks of these bonds can occur in proteins, however, ... delocalization of the peptide system restricts rotation about the CsN bond axis While this is true, it should be noted that free rotation is possible about the NsC and the C sC bond axes (where C ?...
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A Practical Introduction to Structure, Mechanism, and Data Analysis - Part 3 pot
... concentration is one decade below the K we achieve about 9% saturation of binding sites, and when the ligand concentration is one decade above the K we achieve about 91% saturation Put another way, one ... isotherm is thus given by: B: n n ; K K 1; 1; [L] [L] (4.27) If K and K are very different (by about a factor of 100), it is possible to observe the presence of multiple, nonequivalent binding ... thumb is that to displace all the specific binding, the unlabeled ligand concentration should be about 100- to 1000-fold above the K for the receptor—ligand complex (Hulme, 1992; Klotz, 1997) The...
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A Practical Introduction to Structure, Mechanism, and Data Analysis - Part 4 ppsx
... product appearance and substrate depletion is well modeled by a linear function up to the time when about 10% of the initial substrate concentration has been converted to product (Chapter 2) We shall ... relates to the chemical steps subsequent to formation of the ES complex, changes in k , brought about by changes in the enzyme (e.g., mutagenesis of specific amino acid residues, or comparison ... from such a hypothetical experiment are shown in Figure 5.7A and would yield an estimate of K of about 10 M With this initial estimate in hand, one might then chose to expand the number of data...
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A Practical Introduction to Structure, Mechanism, and Data Analysis - Part 5 docx
... constants, we see that k likewise varies over about 1000-fold In contrast, the values for K of the various substrates are quite similar, differing only about four-fold at Table 6.3 Steady state ... more advanced treatments of rapid kinetic methods to aid the interested reader in learning more about these powerful techniques REFERENCES AND FURTHER READING Bell, J E., and Bell, E T (1988) ... resides in transition state interactions with the enzyme active site We shall have more to say about this in subsequent sections of this chapter RATE ENHANCEMENT THROUGH TRANSITION STATE STABILIZATION...
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A Practical Introduction to Structure, Mechanism, and Data Analysis - Part 6 pot
... sample absorption is greater than about 0.1, the correction will not be adequate Hence, a good rule of thumb is to begin with samples that have absorption values of about 0.05 at the excitation wavelength ... y-intercept value to the nominal concentration of enzyme added is a constant of 0.63, suggesting that about 63% of the enzyme molecules in these samples are in a form that supports catalysis This method, ... buffer content, pH, temperature, and other factors, the initiating solution should not be more than about 5—10% of the total volume of the reaction mixture Samples should be mixed rapidly after addition...
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A Practical Introduction to Structure, Mechanism, and Data Analysis - Part 7 pdf
... precipitate on the nitrocellulose blot wherever the enzyme—streptavidin conjugate is present In this roundabout fashion, the presence of a protein band of interest can be specifically detected from a gel ... occur over the pH range being studied, these pH profiles will make possible some general conclusions about the roles of acid—base groups within the enzyme molecule In general the pH dependence of K ... measured the effects of viscosity changes on the reaction of triosephosphate isomerase brought about by glycerol (affecting both macro- and microviscosity) and polyethylene glycol (affecting...
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A Practical Introduction to Structure, Mechanism, and Data Analysis - Part 8 docx
... terminology In teaching this material to students, however, I have found that ‘‘mixed inhibition’’ is confusing and often leads to misunderstandings about the nature of the enzyme—inhibitor interactions ... of between and An enzyme activator, on the other hand, will provide a value of greater than The question is often asked: Why is the constant the same for modification of K and K ? The answer is ... and K are known from independent measurements, the value of is then easily calculated A common motivation for performing the analysis described in this section is to determine whether two structurally...
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A Practical Introduction to Structure, Mechanism, and Data Analysis - Part 9 ppt
... rearranged form of Equation 9.2 Tornheim recommends adjusting [S] so that the ratios [S]/K and [I]/K are about equal for these measure ments Not all enzymatic reactions are amenable to this approach, however, ... however, that this treatment works only when [E] is much greater than K When [E] is less than about 200K , the data are not well described by two SUMMARY 315 intersecting straight lines In such ... experiment in which the inhibitor concentration is fixed at some value much greater than the K (about 200 K or more), and the amount of enzyme added to the reaction mixture is varied The results...
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A Practical Introduction to Structure, Mechanism, and Data Analysis - Part 10 doc
... bi bi reaction: E ; AX ; B & E ; A ; BX The reaction scheme as written leaves several important questions unanswered Does one substrate bind and leave before the second substrate can bind? Is ... acceptor molecule B (i.e., a reaction that proceeds through formation of an E—X intermediate)? These questions raise the potential for at least three distinct mechanisms for the generalized scheme; ... have found useful in the analysis of enzyme data, together with the source of further information about them This list is by no means comprehensive, but rather gives a sampling of what is available...
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DATA ANALYSIS AND DISCUSSION
... interview, students are asked questions The questions focus on students awareness of the importance of grammar, students interests in grammar learning as well as their comment on grammar teaching Students ... DISCUSSION 4.1.Questionnaires 4.1.1 Data analysis of the students experiment questionnaires 4.1.1.1 Data analysis of pre- questionnaires The data obtained from the students questionnaires will ... here, question- answer or answer- question procedures are used Response practice can be devided into three sub- classes: * Question- answer practice : Students can practise the structure of questions...
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Data Analysis, Statistics, and Probability
... skip the question and come back to it 422 later Do the easy problems first The GED is not arranged with increasingly difficult questions The difficult questions appear alongside the easier questions ... If you don’t know the answer to a question and you are approaching the time limit, simply use the last few minutes to make an educated guess to the remaining questions If you can eliminate some ... ability to analyze graphs and tables Read each graph or table very carefully before reading the question This will help you to process the information that is presented It is extremely important...
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