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Occam's razor - Quiz
Contributed by: Payne
  • 1. According to Karl Popper, why should we prefer simpler theories?
A) Because they have greater empirical content.
B) Because they are more aesthetically pleasing.
C) Because they require less computational power.
D) Because they are easier to memorize.
  • 2. What is the relationship between simplicity and testability in Popper's view?
A) Simpler theories are impossible to falsify.
B) Simpler theories are always proven true.
C) Simpler theories are less testable than complex ones.
D) Simpler theories are more easily falsifiable.
  • 3. What did Elliott Sober once argue regarding simplicity and informativeness?
A) Complex theories are always more informative.
B) The simplest theory is more informative because it requires less information.
C) Simplicity is irrelevant to informativeness.
D) Informativeness has no connection to scientific hypothesis.
  • 4. Why did Elliott Sober reject his earlier account of simplicity?
A) It failed to provide an epistemic justification for simplicity.
B) He stopped believing in the importance of scientific theory.
C) He decided that informativeness was a bad metric.
D) He discovered that simple theories are always wrong.
  • 5. What does Sober suggest philosophers might have done regarding simplicity?
A) Proven it mathematically.
B) Denied its existence entirely.
C) Combined it with complexity.
D) Hypostatized it.
  • 6. According to Sober, when does simplicity have meaning?
A) When embedded in a specific context.
B) Only when data is absent.
C) Only in mathematical equations.
D) In all situations universally.
  • 7. What analogy does Sober use to describe the difficulty of justifying simplicity?
A) The question 'why be rational?'
B) The question 'why do atoms exist?'
C) The question 'why is the sky blue?'
D) The question 'why does gravity exist?'
  • 8. On what grounds does Richard Swinburne argue for simplicity?
A) Aesthetic grounds.
B) Political grounds.
C) Practical grounds.
D) Logical grounds.
  • 9. How does Swinburne view the simplest hypothesis compared to others?
A) As less likely to be accurate.
B) As purely an aesthetic preference.
C) As more likely to be true.
D) As identical in probability to others.
  • 10. What does Swinburne claim regarding simplicity and truth?
A) It is a physical law of nature.
B) It is an ultimate a priori epistemic principle.
C) It has no relationship to truth.
D) It is a social construct.
  • 11. What is the alternative to using the principle of simplicity according to Swinburne?
A) Science is redundant.
B) Science is perfectly objective.
C) Science is too complex.
D) Science is irrational.
  • 12. What concept does Swinburne cite to explain that our choice of theory is not determined by data?
A) The Principle of Relativity.
B) The Law of Entropy.
C) Statistical Mechanics.
D) Underdetermination.
  • 13. What is Swinburne's binary choice regarding the principle of simplicity?
A) Either science is complete or simplicity is an illusion.
B) Either data is useless or complexity is preferred.
C) Either science is irrational or simplicity is a synthetic a priori truth.
D) Either truth exists or science is a hobby.
  • 14. Popper compares simple and complex theories under what condition?
A) When the complex theory explains the data better.
B) When both explain the data equally well.
C) When there is no data available.
D) When the simple theory is mathematically incorrect.
  • 15. Which authors made notable attempts to derive Occam's razor from probability theory?
A) E. T. Jaynes and David J. C. MacKay.
B) Harold Jeffreys and E. T. Jaynes.
C) James O. Berger and Harold Jeffreys.
D) William H. Jefferys and David J. C. MacKay.
  • 16. According to David J. C. MacKay, is a prior bias for simpler models required in the Bayesian basis of Occam's razor?
A) Only for mathematical theories.
B) No.
C) Only for complex models.
D) Yes.
  • 17. Which concept does the bias–variance tradeoff framework use to incorporate Occam's razor?
A) The reduction of adjustable parameters.
B) The balance between overfitting and underfitting.
C) The increase in prior bias.
D) The sum of marginal and conditional probabilities.
  • 18. What is overfitting associated with in the bias–variance tradeoff?
A) Higher bias but lower variance.
B) Lower bias but higher variance.
C) Higher bias and higher variance.
D) Lower bias and lower variance.
  • 19. What is underfitting associated with in the bias–variance tradeoff?
A) Lower variance and lower bias.
B) Higher variance and higher bias.
C) Higher variance but lower bias.
D) Lower variance but higher bias.
  • 20. What is the common Latin name for Occam's razor?
A) Entia non sunt
B) Lex parsimoniae
C) Philosophia Christiana
D) Novacula Occami
  • 21. Who claimed to have coined the phrase 'novacula occami' in 1649?
A) William of Ockham
B) Thomas Aquinas
C) Libert Froidmont
D) John Punch
  • 22. Who formulated the popular version 'Entities are not to be multiplied without necessity' in 1639?
A) John Punch
B) Robert Grosseteste
C) Ptolemy
D) William of Ockham
  • 23. Which ancient philosopher wrote about the superiority of demonstrations derived from fewer postulates?
A) Maimonides
B) Aristotle
C) John Duns Scotus
D) Ptolemy
  • 24. In his Summa Theologica, who used a principle similar to Occam's razor to construct an objection to God's existence?
A) Libert Froidmont
B) John Duns Scotus
C) Thomas Aquinas
D) William of Ockham
  • 25. What religious order did William of Ockham belong to?
A) Jesuit priest
B) Dominican monk
C) Benedictine monk
D) Franciscan friar
  • 26. What is the primary philosophical movement associated with William of Ockham?
A) Nominalism
B) Existentialism
C) Idealism
D) Realism
  • 27. Which phrase is found in William of Ockham's work on the Sentences of Peter Lombard?
A) Cogito ergo sum
B) Numquam ponenda est pluralitas sine necessitate
C) Tabula rasa
D) Entia non sunt multiplicanda praeter necessitatem
  • 28. Which Latin phrase means 'It is futile to do with more things that which can be done with fewer'?
A) Entia non sunt multiplicanda praeter necessitatem
B) Numquam ponenda est pluralitas sine necessitate
C) Frustra fit per plura quod potest fieri per pauciora
D) Pluralitas non est ponenda sine necessitate
  • 29. In which work does William of Ockham cite the principle of economy?
A) Quaestiones et decisiones
B) Summa Totius Logicae
C) Theological Lectures
D) Sentences of Peter Lombard
  • 30. Which scientist famously stated: 'We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances'?
A) Ernst Mach
B) Thomas Aquinas
C) Isaac Newton
D) Bertrand Russell
  • 31. Who founded the theory of universal inductive inference around 1960?
A) Ernst Mach
B) Theodore Woodward
C) Ray Solomonoff
D) Isaac Newton
  • 32. In the medical 'Zebra' analogy, what should a physician think of when hearing hoofbeats?
A) Zebras
B) Exotic diseases
C) Rare animals
D) Horses
  • 33. Who is credited with the medical dictum regarding horses and zebras?
A) Thomas Aquinas
B) Ray Solomonoff
C) Theodore Woodward
D) Ernst Mach
  • 34. What type of justifications for Occam's razor became more popular in the 20th century?
A) Epistemological
B) Historical
C) Aesthetic
D) Theological
  • 35. What does the term 'parsimony' mean?
A) Inefficiency
B) Probability
C) Spareness
D) Complexity
  • 36. What is the primary function of the theory of universal inductive inference?
A) Categorizing medical diagnoses
B) Establishing aesthetic standards
C) Defining theological morality
D) Prediction based upon observations
  • 37. In the scientific method, what criterion is the preference for simplicity based on?
A) The falsifiability criterion.
B) The consensus of the scientific community.
C) The mathematical proof of data.
D) The principle of absolute truth.
  • 38. Which physicist is mentioned as having used Occam's razor logic to formulate the quantum hypothesis?
A) John Dalton.
B) Isaac Newton.
C) Max Planck.
D) Christiaan Huygens.
  • 39. Who argued that the best way to explain altruism is through individual selection?
A) Elliott Sober
B) George C. Williams
C) Richard Dawkins
D) Francis Crick
  • 40. According to Richard Dawkins, what is the fundamental unit that drives evolution?
A) Ecosystems
B) Individuals
C) Groups
D) Genes
  • 41. What behavior of muskoxen is often used to debate group selection vs. individual selection?
A) Sharing food resources among adults
B) Forming a defensive circle against wolves
C) Displaying dominance through horn clashing
D) Migrating in large herds across frozen plains
  • 42. What do cladists use as the basis for classification?
A) Genealogy and similarity
B) Overall similarity
C) Geographic range
D) Synapomorphies
  • 43. What is one criticism of the cladistic approach to parsimony?
A) The inability to use DNA data
B) Statistical inconsistency
C) The reliance on external physical traits
D) The lack of mathematical rigor
  • 44. Which researcher wrote 'Reconstructing the Past: Parsimony, Evolution, and Inference'?
A) Richard Dawkins
B) Elliott Sober
C) Francis Crick
D) George C. Williams
  • 45. What was William of Ockham's personal religious belief?
A) Agnostic
B) Atheist
C) Pantheist
D) Christian
  • 46. According to Ockham, how can one access theological truths?
A) Through human reason
B) Only through faith
C) Through scientific discovery
D) Through logical proof
  • 47. What principle did Thomas Aquinas use to refute the objection that God is unnecessary?
A) The Ultimate Boeing 747 gambit
B) Quinque viae
C) Methodological naturalism
D) Materialism
  • 48. Which thinker viewed belief in God as a leap of faith that could oppose reason?
A) William of Ockham
B) George Berkeley
C) Søren Kierkegaard
D) Pierre-Simon Laplace
  • 49. What did George Berkeley believe could explain all of reality?
A) Material objects
B) The interaction of atoms
C) Scientific laws
D) The mind alone
  • 50. Why did Berkeley invoke Occam's razor against materialism?
A) He believed in atheism
B) Matter was not required by his metaphysics
C) Matter was proven to not exist
D) He rejected the mind's existence
  • 51. What alternative interpretation of Laplace's statement is suggested?
A) An explicit denial of Christian theology
B) The power of methodological naturalism
C) A proof that God does not exist
D) A rejection of all philosophical reasoning
  • 52. According to the text, Ockham believed an explanation requires a basis in which of the following?
A) Experience
B) Material proof only
C) Infinite complexity
D) Emotional desire
  • 53. Who stated that Occam's razor is inconclusive regarding duality?
A) Dale Jacquette
B) J. J. C. Smart
C) Folk psychologists
D) Paul Churchland
  • 54. In what year did Paul Churchland comment on Occam's razor?
A) 2000
B) 1994
C) 1959
D) 1984
  • 55. Which of the following is considered an entity of folk psychology according to the text?
A) Fear
B) Neuroscience
C) Dualism
D) Physical reality
  • 56. Which movement considers parsimony a key component?
A) Retributive justice.
B) Restorative justice.
C) Legal realism.
D) Natural law theory.
  • 57. What concept is linked to Occam's razor in scientific literature?
A) Kolmogorov complexity.
B) Sensitivity testing.
C) Retributive sentencing.
D) The Free energy principle alone.
  • 58. Which method is used to compare models that do not fit observations equally well?
A) The Kolmogorov-Chaitin approach.
B) Simple Turing machine analysis.
C) The parsimony principle of Bentham.
D) Bayesian model comparison.
  • 59. In the Kolmogorov–Chaitin approach, what must the subject pick?
A) A penal theory framework.
B) A restorative justice model.
C) A Bayesian factor.
D) A Turing machine.
  • 60. What does the minimum instruction set of a universal Turing machine require across different formulations?
A) A highly complex binary sequence
B) Approximately the same length description
C) A randomly generated set of rules
D) An infinite amount of memory
  • 61. Who used the consistency of Turing machine sizes to exclude arbitrarily complex instruction sets?
A) Jürgen Schmidhuber
B) David L. Dowe
C) Marcus Hutter
D) Chris Wallace
  • 62. In the context of the universal program, what represents the 'hypothesis'?
A) The data itself
B) The set of evidence
C) The Kolmogorov complexity
D) Describing the program
  • 63. Who is credited with the MML work discussed alongside Solomonoff's work?
A) Needham
B) Chris Wallace
C) Jürgen Schmidhuber
D) Marcus Hutter
  • 64. In which specific problem did Dowe and Needham examine MML as an effective Occam's razor?
A) Universal Turing machine design
B) Algorithmic probability research
C) Decision tree induction
D) Data encryption analysis
  • 65. Who is the rule of least power often credited to?
A) Lewis White Beck
B) Francis Crick
C) Galileo Galilei
D) Tim Berners-Lee
  • 66. Who warned that Occam's razor can be a 'very dangerous implement in biology'?
A) Francis Crick
B) Quine
C) Lewis White Beck
D) Tim Berners-Lee
  • 67. Who was a contemporary of William of Ockham that opposed Occam's razor?
A) Immanuel Kant
B) Gottfried Wilhelm Leibniz
C) Walter Chatton
D) Karl Menger
  • 68. Which philosopher formulated the principle of plenitude?
A) Gottfried Wilhelm Leibniz
B) Alfred Jarry
C) Walter Chatton
D) Karl Menger
  • 69. Karl Menger's Law Against Miserliness was created because he felt mathematicians were too:
A) Careless with evidence
B) Extravagant with theories
C) Unfocused on simplicity
D) Parsimonious with variables
  • 70. What is the science of imaginary solutions called?
A) Crabtree's Bludgeon
B) 'Pataphysics
C) The Law Against Miserliness
D) The Principle of Plenitude
  • 71. Who developed 'Pataphysics?
A) Alfred Jarry
B) R. V. Jones
C) Jorge Luis Borges
D) Igor Mazin
  • 72. According to Igor Mazin, what is replacing Occam's razor in high-profile physics journals?
A) The Law Against Miserliness
B) The principle of plenitude
C) Inverse Occam's razor
D) Crabtree's Bludgeon
  • 73. When were the Ockham Awards introduced?
A) 1985
B) 2012
C) 1285
D) 1902
  • 74. Who introduced the Ockham Awards?
A) William of Ockham
B) Deborah Hyde
C) Karl Derrick
D) Neil Davies
  • 75. What image is featured between the texts on the Ockham Awards trophy?
A) A mathematical formula
B) A portrait of Alfred Jarry
C) The face of William of Ockham
D) A double-edged safety razorblade
  • 76. What Italian motto is sometimes referred to as an anti-razor?
A) Carpe diem
B) In vino veritas
C) Cogito, ergo sum
D) Se non è vero, è ben trovato
  • 77. Which writer explored themes similar to 'Pataphysics in 'Tlön, Uqbar, Orbis Tertius'?
A) R. V. Jones
B) Igor Mazin
C) Jorge Luis Borges
D) Arthur Lovejoy
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