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