On the independence of P300 and the CNV: A short critique of the principal components analysis of Donchin et al. (1975) |
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| Authors: | D.G. Wastell |
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| Affiliation: | MRC Applied Psychology Unit, 15 Chaucer Road, Cambridge, UK |
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| Abstract: | Donchin, Tueting, Ritter, Kutas and Heffley (1975) present evidence from a principal components analysis (PCA) that the CNV and P300 are independent. This short critique points out a number of errors in their PCA and presents a reworking of their analysis. A number of further aspects of Donchin et al.'s paper are also discussed. The general value of this contribution in drawing the attention of EP researchers to potential sources of error in the application of factor analysis is emphasised. |
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| Keywords: | Correspondence to be addressed to the author at the above address. Further details of the analysis presented in this paper are available from the author upon request. |
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