User Guide

403
Partial Correl
ations
Figure 24-2
Partial Correlations dialog box
E Select two or more numeric variables for which partial correlations are to be
computed.
E Select one or more numeric control variables.
The foll
owing options are also available:
 Test of
Significance.
You can select two-tailed or one-tailed probabilities. If
the direction of association is known in advance, select
One-tailed.Otherwise,
select
Two -taile d.
 Display actual significance level. By default, the probability and degrees of
freedom
are shown for each correlation coefficient. If you deselect this item,
coefficients significant at the 0.05 level are identified with a single asterisk,
coefficients significant at the 0.01 level are identified with a double asterisk,
and deg
rees of freedom are suppressed. This setting affects both partial and
zero-order correlation matrices.