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Bad research


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Bad research

  1. Bad Research Steve Wheeler Plymouth University
  2. Lie with a Pie
  3. Scale
  4. Context Can we conclude from this graph that 16 year olds are safer drives than 20 year olds? No, because there are far fewer 16 year olds driving than 20 year olds.
  5. Raw data The airlines that had the most What could you complaints also had the most passengers. As the above graph shows, conclude from the rates and percentages are often more above statistics? informative than raw numbers.
  6. Proportionate data Can we conclude from the pie chart that its safer to drink and drive? No. Drunk drivers have a fatality risk 7.66 times the norm, while non-drunk drivers have a risk only about .6 of the norm. Only a very small percentage of drivers in New York City drive while under the influence, but they account for a disproportionate number of accidents.
  7. Causal links? Can we conclude that getting a bachelors degree will increase your earnings by almost $13,000 a year? Not necessarily. Intelligence and drive also explain the differences in earnings, people with intelligence and drive are more likely to go to university.
  8. Biased sample
  9. Leading questions