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