r value differences
Posted by
Lori on
Mar 11, 2011; 2:44pm
URL: http://spssx-discussion.165.s1.nabble.com/r-value-differences-tp3425493.html
In a small sample (N=13!) what is the best method to test the difference
between correlations (r values) of related measures? So, parents reported
on child behavior at 2 time points; the correlation for one composite over
time = .634 (p=.02) and for the second composite = .338 (p=.258). Whatâs
the best way to determine whether these correlations (for two composites
from the same rating scale) are significantly different?
Itâs my understanding that the Fisher r to z transformation would not be
appropriate because these are not two independent samples. . . but Iâm not
sure whether there is a better or more appropriate test.
Thank you!
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