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CORRECTION FOR GUESSING IN TRUE‐FALSE TESTS: AN EXPERIMENTAL APPROACH
Author(s) -
GUPTA R. K.,
PENFOLD D. M. EDWARDS
Publication year - 1961
Publication title -
british journal of educational psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.557
H-Index - 95
eISSN - 2044-8279
pISSN - 0007-0998
DOI - 10.1111/j.2044-8279.1961.tb01714.x
Subject(s) - conjecture , simple (philosophy) , psychology , calculus (dental) , mathematics , statistics , mathematical economics , epistemology , discrete mathematics , philosophy , orthodontics , medicine
S ummary . Current views on the problem of correction for undeserved scores likely to be obtained by testees on true‐false achievement tests, given with either ‘guess’ or ‘do not guess’ instructions, are summarised. The desirability of a new approach is discussed, and an investigation which led to the conclusion that ‘S=R —·5W,’ may be an appropriate formula for ‘do not guess’ tests is reported. The experimental results are shown to conform to a simple mathematical theory, and from the latter a conjecture is made about the formula appropriate to ‘guess’ tests.