Pseudoscience

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Pseudoscience is a term applied to any knowledge, methodology, belief, or practice that is claimed to be scientific, or that is made to appear to be scientific, but which does not adhere to the scientific method,[1][2][3] lacks supporting evidence or plausibility,[4] or otherwise lacks scientific status.[5] The term comes from the Greek root pseudo- (false or pretending) and "science" (from Latin scientia, meaning "knowledge"). An early recorded use was in 1843 by French physiologist François Magendie,[6] who is considered a pioneer in experimental physiology.

As it is taught in certain introductory science classes[weasel words], pseudoscience is any subject that appears superficially to be scientific, or whose proponents state that it is scientific, but which nevertheless contravenes the testability requirement or substantially deviates from other fundamental aspects of the scientific method.[2] Professor Paul DeHart Hurd[7] argued that a large part of gaining scientific literacy is "being able to distinguish science from pseudo-science such as astrology, quackery, the occult, and superstition".[8] Certain introductory survey classes in science take care to delineate the objections which scientists and skeptics have to practices that make direct claims contradicted by the scientific discipline in question.[9]

Beyond the initial introductory analyses offered in science classes, there is some epistemological disagreement about the extent to which it is possible to distinguish "science" from "pseudoscience" in a reliable and objective way.[10] The term itself has negative connotations, because it is used to indicate that subjects so labeled are inaccurately or deceptively portrayed as science.[11] Accordingly, those labeled as practicing or advocating a "pseudoscience" normally dispute this characterization.

Pseudosciences have been characterised by the use of vague, exaggerated or untestable claims, over-reliance on confirmation rather than refutation, lack of openness to testing by other experts, and a lack of progress in theory development.

Contents

[edit] Background

A typical 19th century phrenology chart. In the 1820s, phrenologists claimed that the mind was located in areas of the brain, and were attacked for doubting that mind came from the non-material soul. Their idea of reading "bumps" in the skull to predict personality traits was later discredited.[12] Phrenology was first called a pseudoscience in 1843 and continues to be widely considered pseudoscience.[6]

The standards for determining whether a body of knowledge, methodology, or practice is scientific vary from field to field. There are, however, a number of basic principles that are widely agreed upon by scientists, such as reproducibility and intersubjective verifiability.[13] Such principles aim to ensure that relevant evidence can be reproduced and/or measured given the same conditions, which allows further investigation to determine whether a hypothesis or theory related to given phenomena is both valid and reliable for use by others, including other scientists and researchers. It is expected that the scientific method will be applied throughout, and that bias will be controlled or eliminated, by double-blind studies, or statistically through fair sampling procedures. All gathered data, including experimental/environmental conditions, are expected to be documented for scrutiny and made available for peer review, thereby allowing further experiments or studies to be conducted to confirm or falsify results, as well as to determine other important factors such as statistical significance, confidence intervals, and margins of error.[14]

In the mid-20th century Karl Popper suggested the criterion of falsifiability to distinguish science from non-science.[15] Statements such as "God created the universe" may be true or false, but no tests can be devised that could prove them false, so they are not scientific; they lie outside the scope of science. Popper subdivided non-science into philosophical, mathematical, mythological, religious and/or metaphysical formulations on the one hand, and pseudoscientific formulations on the other—though without providing clear criteria for the differences.[16] He gave astrology and psychoanalysis as examples of pseudoscience, and Einstein's theory of relativity as an example of science. More recently, Paul Thagard (1978) proposed that pseudoscience is primarily distinguishable from science when it is less progressive than alternative theories over a long period of time, and the failure of proponents to acknowledge or address problems with the theory.[17] Mario Bunge has suggested the categories of "belief fields" and "research fields" to help distinguish between science and pseudoscience.[18]

Philosopher of science Paul Feyerabend has argued, from a sociology of knowledge perspective, that a distinction between science and non-science is neither possible nor desirable.[19][20] Among the issues which can make the distinction difficult are that both the theories and methodologies of science evolve at differing rates in response to new data.[21] In addition, the specific standards applicable to one field of science may not be those employed in other fields. Thagard also writes from a sociological perspective and states that "elucidation of how science differs from pseudoscience is the philosophical side of an attempt to overcome public neglect of genuine science."

Skeptics, most prominently represented by Richard Dawkins, Mario Bunge, Carl Sagan and James Randi, and the Brights movement consider all forms of pseudoscience to be harmful, whether or not they result in immediate harm to their adherents. These critics generally consider that the practice of pseudoscience may occur for a number of reasons, ranging from simple naïveté about the nature of science and the scientific method, to deliberate deception for financial or political gain. At the extreme, issues of personal health and safety may be very directly involved, for example in the case of physical or mental therapy or treatment, or in assessing safety risks. In such instances the potential for direct harm to patients, clients, the general public, or the environment may be an issue in assessing pseudoscience. (See also Junk science.)

The concept of pseudoscience as antagonistic to bona fide science appears to have emerged in the mid-19th century. Among the first recorded uses of the word "pseudo-science" was in 1844 in the Northern Journal of Medicine, I 387: "That opposite kind of innovation which pronounces what has been recognized as a branch of science, to have been a pseudo-science, composed merely of so-called facts, connected together by misapprehensions under the disguise of principles".

[edit] Identifying pseudoscience

A field, practice, or body of knowledge might reasonably be called pseudoscientific when (1) it is presented as consistent with the accepted norms of scientific research; but (2) it demonstrably fails to meet these norms, most importantly, in misuse of scientific method.[22]

Subjects may be considered pseudoscientific for various reasons; Karl Popper considered astrology to be pseudoscientific simply because astrologers keep their claims so vague that they could never be refuted, whereas Paul R. Thagard considers astrology pseudoscientific because its practitioners make little effort to develop the theory, show no concern for attempts to critically evaluate the theory in relation to others, and are selective in considering evidence. More generally, Thagard stated that pseudoscience tends to focus on resemblances rather than cause-effect relations.

Science is also distinguishable from revelation, theology, or spirituality in that it claims to offer insight into the physical world obtained by "scientific" means. For this reason, both creation science and intelligent design have been labeled as pseudoscience by the mainstream scientific community.[23] The most notable disputes concern the effects of evolution on the development of living organisms, the idea of common descent, the geologic history of the Earth, the formation of the solar system, and the origin of the universe.[24] Systems of belief that derive from divine or inspired knowledge are not considered pseudoscience if they do not claim either to be scientific or to overturn well-established science.

Some statements and commonly held beliefs in popular science may not meet the criteria of science. "Pop" science may blur the divide between science and pseudoscience among the general public, and may also involve science fiction.[25] Indeed, pop science is disseminated to, and can also easily emanate from, persons not accountable to scientific methodology and expert peer review.

If the claims of a given field can be experimentally tested and methodological standards are upheld, it is not "pseudoscience", however odd, astonishing, or counter-intuitive. If claims made are inconsistent with existing experimental results or established theory, but the methodology is sound, caution should be used; science consists of testing hypotheses which may turn out to be false. In such a case, the work may be better described as ideas that are not yet generally accepted. Protoscience is a term sometimes used to describe a hypothesis that has not yet been adequately tested by the scientific method, but which is otherwise consistent with existing science or which, where inconsistent, offers reasonable account of the inconsistency. It may also describe the transition from a body of practical knowledge into a scientific field.[26] By contrast, "pseudoscience" is reserved to describe theories which are either untestable in practice or in principle, or which are maintained even when tests appear to have refuted them.

The following have been proposed to be indicators of poor scientific reasoning.

[edit] Use of vague, exaggerated or untestable claims

  • Assertion of scientific claims that are vague rather than precise, and that lack specific measurements.[27]
  • Failure to make use of operational definitions (i.e. publicly accessible definitions of the variables, terms, or objects of interest so that persons other than the definer can independently measure or test them).[28] (See also: Reproducibility)
  • Failure to make reasonable use of the principle of parsimony, i.e. failing to seek an explanation that requires the fewest possible additional assumptions when multiple viable explanations are possible (see: Occam's Razor)[29]
  • Use of obscurantist language, and misuse of apparently technical jargon in an effort to give claims the superficial trappings of science.
  • Lack of boundary conditions: Most well-supported scientific theories possess well-articulated limitations under which the predicted phenomena do and do not apply.[30]
  • Lack of effective controls, such as placebo and double-blind, in experimental design. (see Scientific control)

[edit] Over-reliance on confirmation rather than refutation

  • Assertions that do not allow the logical possibility that they can be shown to be false by observation or physical experiment (see also: falsifiability)[31]
  • Assertion of claims that a theory predicts something that it has not been shown to predict[32]
  • Assertion that claims which have not been proven false must be true, and vice versa (see: Argument from ignorance)[33]
  • Over-reliance on testimonial, anecdotal evidence or personal experience. This evidence may be useful for the context of discovery (i.e. hypothesis generation) but should not be used in the context of justification (e.g. Statistical hypothesis testing).[34]
  • Pseudoscience often presents data that seems to support its claims while suppressing or refusing to consider data that conflict with its claims.[35] This is an example of selection bias, a distortion of evidence or data that arises from the way that the data are collected. It is sometimes referred to as the selection effect.
  • Reversed burden of proof. In science, the burden of proof rests on those making a claim, not on the critic. "Pseudoscientific" arguments may neglect this principle and demand that skeptics demonstrate beyond a reasonable doubt that a claim (e.g. an assertion regarding the efficacy of a novel therapeutic technique) is false. It is essentially impossible to prove a universal negative, so this tactic incorrectly places the burden of proof on the skeptic rather than the claimant.[36]
  • Appeals to holism as opposed to reductionism: Proponents of pseudoscientific claims, especially in organic medicine, alternative medicine, naturopathy and mental health, often resort to the "mantra of holism" to explain negative findings.[37]

[edit] Lack of openness to testing by other experts

  • Evasion of peer review before publicizing results (called "science by press conference").[38] Some proponents of theories that contradict accepted scientific theories avoid subjecting their ideas to peer review, sometimes on the grounds that peer review is biased towards established paradigms, and sometimes on the grounds that assertions cannot be evaluated adequately using standard scientific methods. By remaining insulated from the peer review process, these proponents forgo the opportunity of corrective feedback from informed colleagues.[39]
  • Some agencies, institutions, and publications that fund scientific research require authors to share data so that others can evaluate a paper independently. Failure to provide adequate information for other researchers to reproduce the claims contributes to a lack of openness.[40]
  • Assertion of claims of secrecy or proprietary knowledge in response to requests for review of data or methodology.[40]

[edit] Absence of progress

  • Failure to progress towards additional evidence of its claims.[41] Terence Hines has identified astrology as a subject that has changed very little in the past two millennia.[42] (see also: Scientific progress)
  • Lack of self correction: scientific research programmes make mistakes, but they tend to eliminate these errors over time.[43] By contrast, theories may be accused of being pseudoscientific because they have remained unaltered despite contradictory evidence. The work Scientists Confront Velikovsky (1976) Cornell University, also delves into these features in some detail, as does the work of Thomas Kuhn, e.g. The Structure of Scientific Revolutions (1962) which also discusses some of the items on the list of characteristics of pseudoscience.

[edit] Personalization of issues

[edit] Use of misleading language

  • Creating scientific-sounding terms in order to add weight to claims and persuade non-experts to believe statements that may be false or meaningless. For example, a long-standing hoax refers to water as dihydrogen monoxide (DHMO) and describes it as the main constituent in most poisonous solutions to show how easily the general public can be misled.
  • Using established terms in idiosyncratic ways, thereby demonstrating unfamiliarity with mainstream work in the discipline.

[edit] Demographics

The National Science Foundation stated that, in the USA, "pseudoscientific" beliefs became more widespread during the 1990s, peaked near 2001 and have declined slightly since; nevertheless, pseudoscientific beliefs remain common in the USA.[46] As a result, according to the NSF report, there is a lack of knowledge of pseudoscientific issues in society and pseudoscientific practices are commonly followed. Bunge (1999) states that "A survey on public knowledge of science in the United States showed that in 1988 50% of American adults [rejected] evolution, and 88% [believed] astrology is a science'".

Commentators on pseudoscience perceive it in many fields; for example, Pseudomathematics is a term used for mathematics-like activity undertaken by either non-mathematicians or mathematicians themselves which does not conform to the rigorous standards usually applied to mathematical theorems.

[edit] Clinical psychology

Neurologists, clinical psychologists and other academics are concerned [47] about the increasing amount of what they consider pseudoscience promoted in psychotherapy and popular psychology, and also about what they see as pseudoscientific therapies such as neuro-linguistic programming, EMDR[48], rebirthing, reparenting, Scientology, and Primal Therapy being adopted by government and professional bodies and by the public.[48] They state that scientifically unsupported therapies used by popular or folk psychology might harm vulnerable members of the public, undermine legitimate therapies, and tend to spread misconceptions about the nature of the mind and brain to society at large. Norcross et al.[49] have approached the science/pseudoscience issue by conducting a survey of experts that seeks to specify which theory or therapy is considered to be definitely discredited, and they outline 14 fields that have been definitely discredited.

[edit] Psychological explanations

Pseudoscientific thinking has been explained in terms of psychology and social psychology. The human proclivity for seeking confirmation rather than refutation (confirmation bias),[50] the tendency to hold comforting beliefs, and the tendency to overgeneralize have been proposed as reasons for the common adherence to pseudoscientific thinking. According to Beyerstein (1991), humans are prone to associations based on resemblances only, and often prone to misattribution in cause-effect thinking.

Lindeman argues that social motives (i.e., "to comprehend self and the world, to have a sense of control over outcomes, to belong, to find the world benevolent and to maintain one’s self-esteem") are often "more easily" fulfilled by pseudoscience than by scientific information.[51] Furthermore, pseudoscientific explanations are generally not analyzed rationally, but instead experientially. Operating within a different set of rules compared to rational thinking, experiential thinking regards an explanation as valid if the explanation is "personally functional, satisfying and sufficient", offering a description of the world that may be more personal than can be provided by science and reducing the amount of potential work involved in understanding complex events and outcomes.[51]

[edit] Some transitions between pseudoscience and science

In some cases, presently accepted fields, scientific theories or hypotheses were at a previous stage criticised as pseudoscience. Examples include continental drift,[52] meteorites[53] cosmology[54] and radiation hormesis[55][56][57][58] As another example, Kimball Atwood suggested that "[o]steopathy has, for the most part, repudiated its pseudoscientific beginnings and joined the world of rational healthcare."[59]

There are also instances where fields once considered scientific are today considered pseudoscience, such as phrenology[60], and alchemy, to which modern chemistry traces its roots.[61]

[edit] Criticisms of the concept of pseudoscience

Philosopher of science Paul Feyerabend disputed whether meaningful boundaries can be drawn between pseudoscience, protoscience, and "real" science. Especially where there is a significant cultural or historical distance (as, for example, modern chemistry reflecting on alchemy), protosciences can be misinterpreted as pseudoscientific. After over a century of dialogue among philosophers of science and scientists in varied fields, and despite broad agreement on the basics of scientific method,[62] the boundaries between science and non-science continue to be debated.[22] This problem of demarcation can be problematic in cases where standard scientific ways (experiments, logic, etc.) of assessing a theory or a hypothesis cannot be applied for some reason.[63]

Philosopher of science Larry Laudan has suggested that pseudoscience has no scientific meaning and mostly describes our emotions: "If we would stand up and be counted on the side of reason, we ought to drop terms like 'pseudo-science' and 'unscientific' from our vocabulary; they are just hollow phrases which do only emotive work for us".[64] Richard McNally, Professor of Psychology at Harvard University, states: "The term 'pseudoscience' has become little more than an inflammatory buzzword for quickly dismissing one’s opponents in media sound-bites" and "When therapeutic entrepreneurs make claims on behalf of their interventions, we should not waste our time trying to determine whether their interventions qualify as pseudoscientific. Rather, we should ask them: How do you know that your intervention works? What is your evidence?"[65]

According to philosopher of mathematics and science Imre Lakatos, "the problem of demarcation between science and pseudoscience has grave implications also for the institutionalization of criticism." In the Soviet Union the Communist Party declared Mendelian genetics pseudoscientific and had its advocates, such as geneticist and Academician Nikolai Vavilov, sent to the Gulag camps. Mendelian genetics was later rehabilitated after Vavilov died in prison. The Party's right to demarcate science from pseudoscience was, however, upheld. Lakatos also asserted that "The new liberal Establishment of the West also exercises the right to deny freedom of speech to what it regards as pseudoscience, as we have seen in the case of the debate concerning race and intelligence".[66] According to Lakatos, the typical descriptive unit of great scientific achievements is not an isolated hypothesis but "a powerful problem-solving machinery, which digests anomalies and even turns them into positive evidence."[67]

[edit] See also

[edit] Further reading

[edit] References

  1. ^ "Pseudoscientific - pretending to be scientific, falsely represented as being scientific", from the Oxford American Dictionary, published by the Oxford English Dictionary.
  2. ^ a b For example, Hewitt et al. Conceptual Physical Science Addison Wesley; 3 edition (July 18, 2003) ISBN 0-321-05173-4, Bennett et al. The Cosmic Perspective 3e Addison Wesley; 3 edition (July 25, 2003) ISBN 0-8053-8738-2
  3. ^ See also, e.g., Gauch HG Jr. Scientific Method in Practice (2003)
  4. ^ The National Science Foundation adopts the definition of (Shermer, 1997): "claims presented so that they appear [to be] scientific even though they lack supporting evidence and plausibility" (Shermer 1997, p. 33). In contrast, science is "a set of methods designed to describe and interpret observed and inferred phenomena, past or present, and aimed at building a testable body of knowledge open to rejection or confirmation" (Shermer 1997, p. 17). Shermer M. (1997). Why People Believe Weird Things: Pseudoscience, Superstition, and Other Confusions of Our Time. New York: W. H. Freeman and Company.  cited by National Science Foundation (official report) (2006). "Science and Technology: Public Attitudes and Understanding". Science and engineering indicators 2006. http://www.nsf.gov/statistics/seind06/c7/c7s2.htm. 
  5. ^ "A pretended or spurious science; a collection of related beliefs about the world mistakenly regarded as being based on scientific method or as having the status that scientific truths now have.", from the Oxford English Dictionary Second Edition 1989.
  6. ^ a b Magendie, F (1843) An Elementary Treatise on Human Physiology. 5th Ed. Tr. John Revere. New York: Harper, p 150. Magendie refers to phrenology as "a pseudo-science of the present day" (note the hyphen).
  7. ^ Memorial Resolution: Paul DeHart Hurd. www-sul.stanford.edu/depts/cubberley/collections/memorial.html retrieved 6 November. 2006
  8. ^ Hurd, P. D. (1998). "Scientific literacy: New minds for a changing world". Science Education, 82, 407–416.. Abstract online at www3.interscience.wiley.com/cgi-bin/abstract/32148/ABSTRACT; retrieved 6 November. 2006
  9. ^ For example, a course is offered at the University of Maryland entitled "Science & Pseudoscience" [1]
  10. ^ The philosopher of science Paul Feyerabend in particular is associated with the view that attempts to distinguish science from non-science are flawed and pernicious. "The idea that science can, and should, be run according to fixed and universal rules, is both unrealistic and pernicious. ... the idea is detrimental to science, for it neglects the complex physical and historical conditions which influence scientific change. It makes our science less adaptable and more dogmatic:"[2]
  11. ^ However, from the "them vs. us" polarization that its usage engenders, the term may also have a positive function because "[the] derogatory labeling of others often includes an unstated self-definition "(p.266); and, from this, the application of the term also implies "a unity of science, a privileged tree of knowledge or space from which the pseudoscience is excluded, and the user's right to belong is asserted " (p.286) -- Still A & Dryden W (2004) "The Social Psychology of "Pseudoscience": A Brief History", J Theory Social Behav 34:265-290 doi:10.1111/j.0021-8308.2004.00248.x
  12. ^ Bowler, Peter J. (2003). Evolution: The History of an Idea (3rd edition ed.). University of California Press. ISBN 0-52023693-9.  p. 128
  13. ^ e.g. Gauch HG Jr. Scientific Method in Practice (2003) 3-5 ff
  14. ^ Gauch (2003), 191 ff, especially Chapter 6, "Probability", and Chapter 7, "inductive Logic and Statistics"
  15. ^ Popper, KR (1959) "The Logic of Scientific Discovery".
  16. ^ Karl R. Popper: Science: Conjectures and Refutations. Conjectures and Refutations (1963), p. 43–86;
  17. ^ Thagard PR (1978) "Why astrology is a pseudoscience" (1978) In PSA 1978, Volume 1, ed. Asquith PD and Hacking I (East Lansing: Philosophy of Science Association, 1978) 223 ff.
  18. ^ Bunge M (1983) "Demarcating science from pseudoscience" Fundamenta Scientiae 3:369-388
  19. ^ Feyerabend P Against Method: Outline of an Anarchistic Theory of Knowledge (1975)[3]
  20. ^ For a perspective on Feyerabend from within the scientific community, see, e.g., Gauch (2003) at p.4: "Such critiques are unfamiliar to most scientists, although some may have heard a few distant shots from the so-called science wars."
  21. ^ Thagard PR (1978) "Why astrology is a pseudoscience" (1978) In PSA 1978, Volume 1, ed. Asquith PD and Hacking I (East Lansing: Philosophy of Science Association, 1978) 223 ff. Thagard writes, at 227, 228: "We can now propose the following principle of demarcation: A theory or discipline which purports to be scientific is pseudoscientific if and only if: it has been less progressive than alternative theories over a long period of time, and faces many unsolved problems; but the community of practitioners makes little attempt to develop the theory towards solutions of the problems, shows no concern for attempts to evaluate the theory in relation to others, and is selective in considering confirmations and non confirmations."
  22. ^ a b Cover JA, Curd M (Eds, 1998) Philosophy of Science: The Central Issues, 1-82
  23. ^ Statements from Scientific and Scholarly Organizations. National Center for Science Education. Retrieved on 04-01-2008.
  24. ^ Royal Society statement on evolution, creationism and intelligent design http://www.royalsoc.ac.uk/news.asp?year=&id=4298
  25. ^ Popular Science Feature - When Science Fiction is Science Fact
  26. ^ Popper KR op. cit.
  27. ^ e.g. Gauch (2003) op cit at 211 ff (Probability, "Common Blunders")
  28. ^ Paul Montgomery Churchland, Matter and Consciousness: A Contemporary Introduction to the Philosophy of Mind (1999) MIT Press. p.90. "Most terms in theoretical physics, for example, do not enjoy at least some distinct connections with observables, but not of the simple sort that would permit operational definitions in terms of these observables. [..] If a restriction in favor of operational definitions were to be followed, therefore, most of theoretical physics would have to be dismissed as meaningless pseudoscience!"
  29. ^ Gauch HG Jr. (2003) op cit 269 ff, "Parsimony and Efficiency"
  30. ^ Hines T (1988) Pseudoscience and the Paranormal: A Critical Examination of the Evidence Buffalo NY: Prometheus Books. A Skeptical Inquirer Reader
  31. ^ Lakatos I (1970) "Falsification and the Methodology of Scientific Research Programmes." in Lakatos I, Musgrave A (eds) Criticism and the Growth of Knowledge pp 91-195; Popper KR (1959) The Logic of Scientific Discovery
  32. ^ e.g. Gauch (2003) op cit at 178 ff (Deductive Logic, "Fallacies"), and at 211 ff (Probability, "Common Blunders"). Scientific claims that do not confer any predictive power are considered at best "conjectures", or at worst "pseudoscience". e.g. [4] Macmilllan Encyclopedia of Philosophy Vol 3, "Fallacies" 174 ff, esp. section on "Ignoratio elenchi"
  33. ^ Macmillan Encyclopedia of Philosophy Vol 3, "Fallacies" 174 'ff esp. 177-178
  34. ^ Bunge M (1983) Demarcating science from pseudoscience Fundamenta Scientiae 3:369-388, 381
  35. ^ Thagard (1978)op cit at 227, 228
  36. ^ Lilienfeld SO (2004) Science and Pseudoscience in Clinical Psychology Guildford Press (2004) ISBN 1-59385-070-0
  37. ^ Ruscio J (2001) Clear thinking with psychology: Separating sense from nonsense, Pacific Grove, CA: Wadsworth
  38. ^ Peer review and the acceptance of new scientific ideas (Warning 469 kB PDF)*Peer review – process, perspectives and the path ahead; Lilienfeld (2004) op cit For an opposing perspective, e.g. Peer Review as Scholarly Conformity
  39. ^ Ruscio (2001) op cit.
  40. ^ a b Gauch (2003) op cit 124 ff"
  41. ^ Lakatos I (1970) "Falsification and the Methodology of Scientific Research Programmes." in Lakatos I, Musgrave A (eds.) Criticism and the Growth of Knowledge 91-195; Thagard (1978) op cit writes: "We can now propose the following principle of demarcation: A theory or discipline which purports to be scientific is pseudoscientific if and only if: it has been less progressive than alternative theories over a long period of time, and faces many unsolved problems; but the community of practitioners makes little attempt to develop the theory towards solutions of the problems, shows no concern for attempts to evaluate the theory in relation to others, and is selective in considering confirmations and disconfirmations."
  42. ^ Hines T, Pseudoscience and the Paranormal: A Critical Examination of the Evidence, Prometheus Books, Buffalo, NY, 1988. ISBN 0-87975-419-2. Thagard (1978) op cit 223 ff
  43. ^ Ruscio J (2001) op cit. p120
  44. ^ a b Devilly GJ (2005) Power therapies and possible threats to the science of psychology and psychiatry Austral NZ J Psych 39:437-445(9)
  45. ^ e.g. archivefreedom.org which claims that "The list of suppressed scientists even includes Nobel Laureates!"
  46. ^ [5] National Science Board. 2006. Science and Engineering Indicators 2006 Two volumes. Arlington, VA: National Science Foundation (volume 1, NSB-06-01; NSB 06-01A)
  47. ^ Justman, S. (2005). Fool's Paradise: The Unreal World of Pop Psychology. Ivan R. Dee. [6]
  48. ^ a b e.g. Drenth (2003) [7]; Herbert JD, et al. (2000) Science and pseudoscience in the development of eye movement desensitization and reprocessing: implications for clinical psychology. Clin Psychol Rev. 20:945-71 [PMID 11098395])
  49. ^ Norcross J.C. Garofalo. A. Koocher.G.P. (2006) Discredited psychological treatments and tests: a Delphi poll. Professional Psychology. Research and Practice, 37: 515-522.
  50. ^ (Devilly 2005:439)
  51. ^ a b Lindeman M (December 1998). "Motivation, cognition and pseudoscience". Scandinavian journal of psychology 39 (4): 257–65. PMID 9883101. http://www.blackwell-synergy.com/openurl?genre=article&sid=nlm:pubmed&issn=0036-5564&date=1998&volume=39&issue=4&spage=257. Retrieved on 2008-10-13. 
  52. ^ William F. Williams, editor (2000) Encyclopedia of Pseudoscience: From Alien Abductions to Zone Therapy Facts on File p. 58 ISBN 0-8160-3351-X
  53. ^ William F. Williams, Encyclopedia of Pseudoscience, ISBN 0-8160-5080-5, p. 215
  54. ^ See, e.g., Helge Kragh (2007) Conceptions of Cosmos, p5, quoting Stephen Hawking.
  55. ^ https://netfiles.uiuc.edu/mragheb/www/NPRE%20402%20ME%20405%20Nuclear%20Power%20Engineering/Radiation%20Hormesis.pdf
  56. ^ http://www.sepp.org/Archive/NewSEPP/Toxins%20Healthy%20-%20Pike.html
  57. ^ R. Hickey (1985). "Risks associated with exposure to radiation; science, pseudoscience, and opinion". Health Phys. 49: 949- 952. .
  58. ^ M. Kauffman (2003). "Radiation Hormesis: Demonstrated, Deconstructed, Denied, Dismissed, and Some Implications for Public Policy". J. Scientific Exploration 17(3): 389-407. 
  59. ^ Atwood KC (2004) Naturopathy, pseudoscience, and medicine: myths and fallacies vs truth. Medscape Gen Med6:e53 available online
  60. ^ See, e.g., Phrenology: History of a Classic Pseudoscience - by Steven Novella MD
  61. ^ See, e.g., "Alchemy (pseudoscience)" in Britannica Online
  62. ^ Gauch HG Jr (2003)op cit 3-7.
  63. ^ Thomas Kuhn., "Science: conjectures and refutations" In Philosophy of Science and the Occult, edited by Patrick Grim, op. cit., pp. 126-7
  64. ^ Laudan L (1996) "The demise of the demarcation problem" in Ruse, Michael, But Is It Science?: The Philosophical Question in the Creation/Evolution Controversy pp. 337-350.
  65. ^ McNally RJ (2003) Is the pseudoscience concept useful for clinical psychology? SRMHP Vol 2 Number 2
  66. ^ Imre Lakatos, Science and Pseudoscience (1973 Lecture Transcript)
  67. ^ Imre Lakatos, Science and Pseudoscience (1973 Lecture Transcript) Fall/Winter[8]

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