The Thurstone Word Fluency Test, also known as the Chicago Word Fluency Test (CWFT), was developed by
Louis Thurstone
Louis Leon Thurstone (29 May 1887 – 29 September 1955) was an American pioneer in the fields of psychometrics and psychophysics. He conceived the approach to measurement known as the law of comparative judgment, and is well known for his cont ...
in 1938. This test became the first word fluency psychometrically measured test available to patients with brain damage. The test is a used to measure an individual's symbolic
verbal fluency.
The test asks the subject to write as many words as possible beginning with the letter 'S' within a 5-minute limit, then as many words as possible beginning with letter
'C' within 4 minute limit. The total number of 'S' and 'C' words produced, minus the number of rule-breaking and perseverative responses, yield the patients' measure of verbal fluency.
The CWFT is used as one of the measures of brain's frontal lobe function. A related test, the
COWAT (Controlled oral word association test), is part of the
Halstead-Reitan Neuropsychological Battery.
See also
*
Verbal fluency test Verbal fluency tests are a kind of psychological test in which participants have to produce as many words as possible from a category in a given time (usually 60 seconds). This category can be semantic, including objects such as animals or fruits, o ...
References
External links
Information on the Chicago word fluency test
Language tests
Neuropsychological tests
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