FACTOID # 144: A three-minute local phone call in Ecuador costs 60 U.S. cents, 60 times as much as in Ukraine, Macedonia, Saudi Arabia, Nepal, or Uzbekistan.
 
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Encyclopedia > Analysis of Competing Hypotheses

Analysis of competing hypotheses (ACH) is a methodology for exploring and evaluating several explanations of observed data. Richard Heuer developed the methodology in the 1970s for use by the Central Intelligence Agency.[1] This article or section may contain original research or unverified claims. ... The 1970s decade refers to the years from 1970 to 1979, inclusive. ... The Central Intelligence Agency (CIA) is an intelligence agency of the United States Government. ...

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Notes

  1. ^ Richard J. Heuer, Jr. Psychology of Intelligence Analysis. 1999.


 
 

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