Differentiating Clinical Groups Using the Serial Color-Word Test (S–Cwt)
2011
The present study attempted to differentiate 11 diagnostic groups by means of the Serial Color-Word Test (S–CWT), using multivariate discriminant analysis. Two alternative scoring systems of the S–CWT were outlined. A sample of 514 individuals who had clinical diagnoses of various types and 397 controls who had no diagnostic findings comprised the sample. The first discriminant analysis failed to differentiate the groups adequately. The groups were consequently reduced to four (schizophrenia, bipolar disorders, temporo-mandibular joint pain dysfunction syndrome, and eating disturbances), which gave better reclassification findings for a clinical application of the test. This classification gave over 55% correct assignments. The final four groups had a statistically significant discrimination on the test, which remained stable also in a bootstrap procedure. Implications for treatment indications and outcomes as well as strategies for further studies using the S–CWT are discussed.
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