Hark
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In general usage, "hark" means to listen closely, as in Hark the Herald Angels Sing". This article is about the practice fo "harking" in scientific research.
Harking is the practice of Hypothesizing After Results are Known in scientific research. It is generally considered to be intellectually suspect; a good explanation of this may be found here[1]
| “ | Because with HARKing a hypothesis is made after the results are known the chance of falsely rejecting a null-hypothesis increases, this means an increase of type I errors. | ” |
But not all Hypothesizing After Results are Known is bad. For example, the discovery of radioactivity arose from formulating a theory to explain the observed phenomenon of energy radiation from Uranium.