Cherry picking

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"Cherry picking" is the practice of collecting data which supports your point while systematically ignoring all contradictory data (cf. Damning the Alternatives). This is a blatant violation of the scientific method and among scientists is generally considered to be unethical.

Notable Examples

A political example occurred in the 1990s, when the "black church burning epidemic" captured headlines:

  • The CDR had systematically ignored fires set by blacks and those that occurred in the early part of the decade; it had also labeled some fires as arson that clearly were not — all in an apparent effort to make black church torchings appear to be an escalating phenomenon.[1]

Even science journals have been fooled:

  • Consider a report by three environmentalist authors back in 1998 in Journal of the American Medical Association (JAMA), analyzing male-female birth ratios between 1970 and 1990. The authors found male births declining, and predictably blamed man-made chemicals. Yet public data going back to 1940 showed gender ratios are always changing, for no obvious reason. Years that disproved their thesis were simply sliced out.[2]
Hurricanes are becoming less frequent
Here is statement widely used to promote the idea that global warming makes strong hurricanes more frequent:
  • "... over the past 35 years ... A large increase was seen in the number and proportion of hurricanes reaching categories 4 and 5." [1]

Here is the rebuttal:

  • "... not a trend. Rather, it is likely a part of the large interdecadal variations in the number of intense typhoons related to similar temporal fluctuations in the atmospheric environment." [2]

See also


  1. Bestselling author Michael Fumento reports: "USA Today’s Arson Artistry."
  2. Michael Fumento: Science Journals Delivering "Political Science"

External links