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Scientific Thinking

Evaluating Scientific Evidence quiz

12 questions on Evaluating Scientific Evidence, graded instantly with an explanation for every answer. Free and no sign-up — your best score is saved on this device. Want to study first? Read the Evaluating Scientific Evidence lessons.

Evaluating Scientific Evidence — Module Assessment

12 questions · pass mark 75%

  1. 1.When is a truncated y-axis legitimate?
  2. 2.A trial chart shows average symptoms falling. What missing information could explain it entirely?
  3. 3.What two properties make a variable a confounder?
  4. 4.Simpson's paradox describes a case where:
  5. 5.What does a p-value of 0.03 mean?
  6. 6.A test is 99% accurate for a condition affecting 1 in 10,000. A positive result means roughly:
  7. 7.Why is testing twenty outcomes at p < 0.05 a problem?
  8. 8.What does peer review reliably catch?
  9. 9.Why is replication stronger evidence than publication?
  10. 10.Which is the clearest marker of pseudoscientific reasoning?
  11. 11.What does 'the evidence is unclear' represent in an investigation?
  12. 12.Name three of the Bradford Hill considerations used to build a causal case without experiment.
Answer every question to submit.