SUBJECT: SPEISER CLASSIFICATIONS FILE: UFO1604



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SPEISER SIGHTING REPORT CLASSIFICATIONS
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This is likewise a two-part classification, with an escalating scale from one to five within each. The "Strangeness Factor", rather than ranking by
distance or supporting evidence, rates cases as definitely, probably or possibly explainable as well as strange or highly strange.

The SPEISER "Probability Factor" concentrates on the creditability of the witness(es) as honest individuals and accurate observers, with ratings from "not credible" to "highly credible". See the April, 1987 issue of the
Journal for Mr. Speiser's explanation of this grading method.

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SPEISER - __________


Strangeness Factor: Probability Factor:
___________________ ___________________

S1 - Explainable or explained P1 - Not credible or sound

S2 - Probably explainable with P2 - Unreliable witness:
more data possible hoax

S3 - Possibly explainable, but with P3 - Somewhat credible or
elements of strangeness indeterminate

S4 - Strange: does not conform to P4 - Credible and sound
known principles
P5 - Highly credible, leaving almost
S5 - Highly strange: suggests no doubt.
intelligent guidance


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