first-order correlation

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Noun1.first-order correlation - a partial correlation in which the effects of only one variable are removed (held constant)
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
partial correlation - a correlation between two variables when the effects of one or more related variables are removed
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We note, however, that LNY and LNYSQ are highly positively correlated with a first-order correlation coefficient of .999.
There is very limited quantitative measurement; data analysis is restricted to first-order correlations, and these appear in only two of the papers.
Secondly, Williams, Gavin & Williams (1996) noted that researchers examining stressor-strain relations while controlling for NA have typically calculated zero-order and first-order correlations using partial correlation procedures described by Cohen & Cohen (1983).

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