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Dear all
I have run a number of chi-square tests of linear trend using the SPSS crosstabs procedure and in the corresponding row of tabulated results for each test entitled 'Linear-by-linear association', I have a reference to a footnote which contains a statement of the form 'The standardized statistic is ...'. Typical cases involve a tabulated chi-square statistic value of about 15 which is referenced to a footnote in which the standardized statistic is of value about -3. What is happening here? In particular what is the mathematics behind the standardization and why has it been carried out. Is there a relevant publication to which I can refer?
I look forward to receiving some illumination.
Many thanks
Best wishes
Margaret
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