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DỊCH HOÀN THIỆN ĐỀ THI IELTS READING VÀ GIẢI THÍCH ĐÁP ÁN:
THE SCIENTIFIC METHOD
A ‘Hypotheses,’ said Medawar in 1964, are imaginative and inspirational in character’; they are ‘adventures of the mind’. He was arguing in favour of the position taken by Karl Popper in The Logic of Scientific Discovery (1972, 3rd edition) that the nature of scientific method is hypothetico-deductive and not, as is generally believed, inductive.
Medawar đã nói vào năm 1964 rằng: “Các giả thuyết thường có tính tưởng tượng và cảm hứng bất chợt”; chúng là 'những cuộc phiêu lưu của trí óc'. Ông đã lập luận ủng hộ quan điểm của Karl Popper trong Logic của khám phá khoa học (1972, xuất bản lần thứ 3) rằng bản chất của phương pháp khoa học là suy diễn giả thuyết chứ không phải quy nạp như người ta thường tin.
B It is essential that you, as an intending researcher, understand the difference between these two interpretations of the research process so that you do not become discouraged or begin to suffer from a feeling of ‘cheating’ or not going about it the right way.
Quang trọng là bạn, với tư cách là một nhà nghiên cứu tương lai hiểu được sự khác biệt giữa hai cách hiểu về quá trình nghiên cứu này để bạn không nản lòng hoặc bắt đầu có cảm giác 'lừa dối' hoặc không đi đúng hướng.
C The myth of scientific method is that it is inductive: that the formulation of scientific theory starts with the basic, raw evidence of the senses - simple, unbiased, unprejudiced observation. Out of these sensory data - commonly referred to as ‘facts’ — generalisations will form. The myth is that from a disorderly array of factual information an orderly, relevant theory will somehow emerge. However, the starting point of induction is an impossible one.
Giai thoại về phương pháp khoa học là nó có tính quy nạp: rằng việc xây dựng lý thuyết khoa học bắt đầu bằng bằng chứng cơ bản, thô sơ về khả năng quan sát đơn giản, khách quan, không định kiến. Từ những dữ liệu cảm quan này - thường được gọi là 'các cơ sở lập luận' - những khái quát hóa sẽ hình thành. Giai thoại cho rằng từ một loạt thông tin dựa trên thực tế lộn xộn, một lý thuyết có liên quan, có trật tự sẽ xuất hiện bằng cách nào đó. Tuy nhiên, điểm bắt đầu của sự qui nạp là một điều không thể.
D There is no such thing as an unbiased observation. Every act of observation we make is a function of what we have seen or otherwise experienced in the past. All scientific work of an experimental or exploratory nature starts with some expectation about the outcome. This expectation is a hypothesis. Hypotheses provide the initiative and incentive for the inquiry and influence the method. It is in the light of an expectation that some observations are held to be relevant and some irrelevant, that one methodology is chosen and others discarded, that some experiments are conducted and others are not. Where is, your naive, pure and objective researcher now?
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E Hypotheses arise by guesswork, or by inspiration, but having been formulated they can and must be tested rigorously, using the appropriate methodology. If the predictions you make as a result of deducing certain consequences from your hypothesis are not shown to be correct then you discard or modify your hypothesis. If the predictions turn out to be correct then your hypothesis has been supported and may be retained until such time as some further test shows it not to be correct. Once you have arrived at your hypothesis, which is a product of your imagination, you then proceed to a strictly logical and rigorous process, based upon deductive argument — hence the term ‘hypothetico-deductive’.
F So don’t worry if you have some idea of what your results will tell you before you even begin to collect data; there are no scientists in existence who really wait until they have all the evidence in front of them before they try to work out what it might possibly mean. The closest we ever get to this situation is when something happens by accident; but even then the researcher has to formulate a hypothesis to be tested before being sure that, for example, a mould might prove to be a successful antidote to bacterial infection.
G The myth of scientific method is not only that it is inductive (which we have seen is incorrect) but also that the hypothetico-deductive method proceeds in a step-by-step, inevitable fashion. The hypothetico-deductive method describes the logical approach to much research work, but it does not describe the psychological behaviour that brings it about. This is much more holistic — involving guesses, reworkings, corrections, blind alleys and above all inspiration, in the deductive as well as the hypothetic component -than is immediately apparent from reading the final thesis or published papers. These have been, quite properly, organised into a more serial, logical order so that the worth of the output may be evaluated independently of the behavioural processes by which it was obtained. It is the difference, for example between the academic papers with which Crick and Watson demonstrated the structure of the DNA molecule and the fascinating book The Double Helix in which Watson (1968) described how they did it. From this point of view, ‘scientific method’ may more usefully be thought of as a way of writing up research rather than as a way of carrying it out.
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Questions 29-30
Reading Passage 12 has seven paragraphs A-G.
Choose the most suitable headings for paragraphs C-G from the list of headings below.
Write the appropriate numbers i-x in boxes 29-33 on your answer sheet.
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Example Paragraph A Answer: ix
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Questions 34 and 35
In which TWO paragraphs in Reading Passage12 does the writer give advice directly to the reader?
Write the TWO appropriate letters (A—G) in boxes 34 and 35 on your answer sheet.
Questions 36-39
Do the following statements reflect the opinions of the writer in Reading Passage 12?
In boxes 36-39 on your answer sheet write
YES if the statement reflects the opinion of the writer.
NO if the statement contradicts the opinion of the writer.
NOT GIVEN if it is impossible to say what the writer thinks about this
36 Popper says that the scientific method is hypothetico-deductive.
37 If a prediction based on a hypothesis is fulfilled, then the hypothesis is confirmed as true.
38 Many people carry out research in a mistaken way.
39 The ‘scientific method’ is more a way of describing research than a way of doing it.
Question 40
Choose the appropriate letter A-D and write it in box 40 on your answer sheet.
Which of the following statements best describes the writer’s main purpose in Reading Passage 3?
A to advise Ph.D students not to cheat while carrying out research.
B to encourage Ph.D students to work by guesswork and inspiration.
C to explain to Ph.D students the logic which the scientific research paper follows.
D to help Ph.D students by explaining different conceptions of the research process.
ĐÁP ÁN, GIẢI CHI TIẾT và DỊCH HOÀN THIỆN ĐỀ THI IELTS READING:
THE SCIENTIFIC METHOD
Questions 29-30
Reading Passage 12 has seven paragraphs A-G.
Choose the most suitable headings for paragraphs C-G from the list of headings below.
Write the appropriate numbers i-x in boxes 29-33 on your answer sheet.
29 Paragraph C/ iv Explaining the inductive method
Giải thích:
The myth of scientific method is that it is inductive: that the formulation of scientific theory starts with the basic, raw evidence of the senses - simple, unbiased, unprejudiced observation.
30 Paragraph D/ vii The role of hypotheses in scientific research
Giải thích:
Every act of observation we make is a function of what we have seen or otherwise experienced in the past. All scientific work of an experimental or exploratory nature starts with some expectation about the outcome. This expectation is a hypothesis. Hypotheses provide the initiative and incentive for the inquiry and influence the method.
31 Paragraph E/ iii The testing of hypotheses
Giải thích:
Hypotheses arise by guesswork, or by inspiration, but having been formulated they can and must be tested rigorously, using the appropriate methodology. If the predictions you make as a result of deducing certain consequences from your hypothesis are not shown to be correct then you discard or modify your hypothesis.If the predictions turn out to be correct then your hypothesis has been supported and may be retained until such time as some further test shows it not to be correct
Questions 34 and 35
In which TWO paragraphs in Reading Passage12 does the writer give advice directly to the reader?
Write the TWO appropriate letters (A—G) in boxes 34 and 35 on your answer sheet.
34. F
Giải thích:
So don’t worry if you have some idea of what your results will tell you before you even begin to collect data; there are no scientists in existence who really wait until they have all the evidence in front of them before they try to work out what it might possibly mean.
35.B
Giải thích:
It is essential that you, as an intending researcher, understand the difference between these two interpretations of the research process so that you do not become discouraged or begin to suffer from a feeling of ‘cheating’ or not going about it the right way.
Questions 36-39
Do the following statements reflect the opinions of the writer in Reading Passage 12?
In boxes 36-39 on your answer sheet write
YES if the statement reflects the opinion of the writer.
NO if the statement contradicts the opinion of the writer.
NOT GIVEN if it is impossible to say what the writer thinks about this
36.Y Popper says that the scientific method is hypothetico-deductive.
Popper nói rằng phương pháp khoa học là suy diễn giả thuyết.
Giải thích: đoạn A
Hypotheses,’ said Medawar in 1964, are imaginative and inspirational in character’; they are ‘adventures of the mind’. He was arguing in favour of the position taken by Karl Popper in The Logic of Scientific Discovery (1972, 3rd edition) that the nature of scientific method is hypothetico-deductive and not, as is generally believed, inductive.
Question 40
Choose the appropriate letter A-D and write it in box 40 on your answer sheet.
Which of the following statements best describes the writer’s main purpose in Reading Passage 3?
A to advise Ph.D students not to cheat while carrying out research.
để khuyên nghiên cứu sinh không gian lận trong khi thực hiện nghiên cứu.
B to encourage Ph.D students to work by guesswork and inspiration.
để khuyến khích nghiên cứu sinh tiến sĩ làm việc theo phỏng đoán và cảm hứng.
C to explain to Ph.D students the logic which the scientific research paper follows.
để giải thích cho nghiên cứu sinh về logic mà bài báo nghiên cứu khoa học tuân theo.
D to help Ph.D students by explaining different conceptions of the research process.
để giúp nghiên cứu sinh tiến sĩ bằng cách giải thích các quan niệm khác nhau về quá trình nghiên cứu.
Giải thích: đoạn B
It is essential that you, as an intending researcher, understand the difference between these two interpretations of the research process so that you do not become discouraged or begin to suffer from a feeling of ‘cheating’ or not going about it the right way.
Answer:
29. iv
30. vii
31. iii
32. v
33. vi
34. B/F
35. F/B
36. YES
37. No
38. NOT GIVEN
39. YES
40. D
