Labels:bulletin board | monitor | sky | vegetarianism OCR: What is correlation? Identifying common factors When positive correlations between different intelligence test results are revealed.it makes sense to ask what accounts for these This is the question that. 90 years ago Charles Spearman Professor of Psychology at University College London. set himself to answer through the statistical method of 'factor analysis This isa mathematical technigue aimed discovering whether there are common factors which can account for sets of correlations For example factor of verbal ability account for the correlations between ability at languages while factor of mathematical ability might account for correlations between different science subjects where mathematics involved correlation More recent work. particularly that of Cattell (see the Reading List). meas ...
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