Understanding thornton and raffin requires examining multiple perspectives and considerations. 20Q: Word Recognition Testing - Let's Just Agree to do it Right!. Thornton and Raffin (1978) showed that variability in test scores across multiple speech recognition tests can be described statistically. They illustrated that variability increases in a very systematic way, depending on the patient’s “true” speech recognition ability.
JSL0210030507.TIF - University of Illinois Urbana-Champaign. Manystudies have reported data for tests variability of speech discrimination, and the disparate results of these studies have been not given simple aexplanation. Critical Difference Table for Word Recognition Testing Derived Using .... Furthermore, although such a table has been available for nearly 30 years (A. Raffin, 1978), the earlier table was constructed by calculation and used an approximation to the variance of the difference score between 2 administrations of word lists of identical size.
Word Recognition Test Edition. Thornton and Raffin (1978) developed a statistical model against which the WRS can be plotted to determine what is statistically significant based on “critical difference tables.” Furthermore, speech-discrimination scores modeled as a binomial variable.
Arguments over the relative merits of 25- vs 50-word tests have ignored the basic mathematical properties inherent in the use of percentage scores. Equally important, the present study models performance on clinical tests of speech discrimination as a binomial variable. Thornton and Baffin (1978) used a theoretical framework to derive a practical method for evaluating significant differences in word recognition scores on consecutive tests. The authors assumed that responses to test stimuli are independent of each other.
This perspective suggests that, word Recognition Testing: The Puzzling Disconnect from Best Practic .... This 1978 paper by Thornton and Raffin was replicated back in 2007 by Edward Carney and Robert Schlauch at the University of Minnesota. They used computer simulations to try to increase the number of times that they could test the model to make sure that their results were accurate.
Application of a probability model based on the binomial distribution .... The performance of 3,426 Ss on 100-word lists from the Northwestern University Auditory Test-6 was analyzed to determine the application of a binomial model previously suggested by A. Raffin (see record 1980-20161-001). In relation to this, many studies have reported variability data for tests of speech discrimination, and the disparate results of these studies have not been given a simple explanation.
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