VERBAL SCALES

• Jurisdiction: Australia

VERBAL SCALES

[80A.1400] Overview

Statistical guidelines have been used for many years. For example, Fisher (1935) proposed that probabilities below 0.05 (1 in 20) could be regarded as indicators of significance (see, eg, [80A.1740] for testing hypotheses). Confidence limits of 95%, 99% or 99.9% (1 - 0.05; 1 -0.01 or 1 - 0.001, respectively) are used in many branches of science. The following "verbal conventions" were proposed for use at the UK Forensic Science Service to describe the degree to which, in...