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Theories of Science.

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Presentation on theme: "Theories of Science."— Presentation transcript:

1 Theories of Science

2 Learning Objectives Today we will be looking at : The Enlightenment
Falsification Rationalism vs Relativism Social Construction of science Paradigms Atheism New Age

3 What do you already know about the Enlightenment?
Where? Who? When? Why? What? How?

4 The Enlightenment Period in the 18th Century
Emergence of scientific rationalism Critical questioning of traditional institutions, customs, and morals It was during the Enlightenment that humans crossed the ‘Great Divide’ and moved from ignorance, guesswork and faith to certainty and truth Bilton (2002)

5 What is science? Knowledge is based on empirical evidence
Scientists ignore personal feelings Remains objective at all times Rational & logical thinking Observations, theories & hypotheses must be testable

6 “so far the theory has not been shown to be false!”
Falsification Karl Popper (1959) We can never be 100% certain that a theory is true “so far the theory has not been shown to be false!”

7 Falsification The ‘Big Bang’ theory Many scientists accept this theory
Supported by lots of observational data BUT there might be evidence that is yet to be discovered This could disprove or falsify the theory

8 Falsification Popper (1959)
If you attempt to disprove a theory, and it withstands all tests = accepted! But can never be finally proven

9 Rationalism Before science, there were too many conflicting beliefs for them all to be true Religion has no claim on truth at all = science & religion in conflict!

10 Relativism Science shouldn’t be given special status
Science = certain knowledge about world Religion = moral guidance about world Science is just 1 of many beliefs All are equally valid

11 Relativism Closely linked to postmodernism
There are many beliefs in society; science is just 1 of them! Science has no more claim on truth than any other belief Scientists are human beings too… Possible for them to be 100% objective!? They have their own personal views & feelings If cant be 100% objective = main requirement of scientific method of acquiring knowledge

12 Rationalism vs. Relativism
Objective nature of science sets it above all other forms of knowledge Science & Religion are 2 separate realms; non-overlapping magisteria (NOMA) Gellner (1974) Gould, you’re only trying to please powerful religious groups! Gould (1999) Dawkins (2006)

13 Social Construction of science
Kuhn (1962) Challenged the traditional view of science Scientists work in communities centred on particular branches of science / research projects Science is socially constructed within scientific communities

14 Social Construction of Science
Scientists work in a shared paradigm A paradigm is a framework within which scientists work What kind of theories should be developed What kinds of data should be collected Which research methods are acceptable

15 Paradigm Science is quite a closed system of ideas
Science rejects evidence that challenges its claims Science eventually creates new paradigms

16 Can we see how science could actually be subjective?
Tend to look for data which supports their paradigm Paradigm shapes the way you see the world

17 The growth of scientific explanations will cause religion to disappear
Problems for Religion These scientific ideas create problems for religion Existence of God cannot be proved! Religious belief relies on faith (subjective) not scientific evidence (objective) The growth of scientific explanations will cause religion to disappear Frazer (1890)

18 Disappearance of Religion?
NO! Science : has not replaced religion cannot tell us how to live our lives does not tell us about values, hopes, fears, aspirations, anxieties

19 USA The most religious of the advanced industrial democracies
American scientists = leaders in world of discovery However, many Americans still reject science in favour of Bible Creationism _____________? Evolution theory

20 Natural Selection Scientific evidence supporting
Darwin’s theory of evolution, rather than divine intervention Crick & Watson (1953) discovered the double-helix structure of DNA Revealing the process of natural selection

21 Atheism & Science Can you see why there may be a link
between atheism and science?

22 Atheism & Science Agnostics = doubtful / sceptical about existence of God because of lack of empirical evidence Staunch atheists = arguments for God are illogical No factual basis for religious claims

23 Spirituality vs. Religion
People are now describing themselves as ‘spiritual’ rather than ‘religious’ New Age Individual discovering the divine within themselves Unstructured & diverse range of beliefs Based on fundamental sacred principles of traditional religions (Hinduism, Judaism)

24 New Age

25 New Age 3% of population Tarot Astrology Yoga Reflexology Paganism
Holistic milieu = wide variety of beliefs & practices that make up the New Age Tarot Astrology Yoga Reflexology Paganism Witchcraft Heelas & Woodhead (2005) 3% of population

26 New Age and Science Rejection of science
Bruce (1995) Rejection of science They favour subjectivity over objectivity They think personal evidence can be a basis for knowledge No scientific evidence for their therapies & techniques = reveals limitations of science

27 New Age and Science Rejection of organised religion
It’s too authoritarian It’s too traditional It lacks a spiritual intensity

28 New Age and Science Interest in ecology They are very green
They respect the Earth as a living organism Important to live in harmony with nature

29 New Age and Science Scepticism of professional expertise
They use alternative therapies Important to treat client holistically (focusing not only on body, but also mind & spirit) Think doctors are narrow-minded

30 Learning Outcomes Today we have looked at : The Enlightenment
Falsification Rationalism vs Relativism Social Construction of science Paradigms Atheism New Age

31 Worksheet Fill out the Key Word worksheet to check your understanding
of the important terms Use these ‘buzzwords’ in the exam!!

32 Exam Question Identify and briefly explain 1 reason why science cannot replace religion. 3 marks 5 minutes

33 Homework Identify and briefly explain 2 reasons why people may join New Age movements. 6 marks 9 minutes


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