The National College of Education Test of Word Finding (TWF) measures a child's ability to name target words when presented with various pictorial and auditory stimuli. The article first deals with the issue of content validity. Evidence for construct validity then is established by showing that the TWF is unidimensional and that the instrument discriminates between children with and without word finding problems. Finally, the TWF is shown to correlate significantly with other instruments used to identify word finding problems. Overall, the results support the validity of the TWF as an assessment tool of word finding skills for children in first through sixth grades.
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