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