SPEARMAN-BROWN PROPHECY FORMULA

Mathematical formula. It concerns the length of a test and its reliability. An increase in items will increase reliability. [Charles dward Spearman (1863-1945), British psychologist and psychometrician; W. Brown, 20th-century British psychologist! Spearman rank order correlation. See rank order correlation. [Charles Spearman|

SPEARMAN-BROWN PROPHECY FORMULA: "The Spearman-Brown prophecy formula looks at the reliability of tests."
Cite this page: N., Pam M.S., "SPEARMAN-BROWN PROPHECY FORMULA," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/spearman-brown-prophecy-formula/ (accessed October 30, 2020).
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