Katz et al. replicated their experiment using subjects whose SAT Verbal scores showed considerably more within-group variance than those in the first study. In this case the correlation for the group...

Katz et al. replicated their experiment using subjects whose SAT Verbal scores showed considerably more within-group variance than those in the first study. In this case the correlation for the group that read the passage was .88 (N 5 52), whereas for the nonreading group it was .72 (N 5 74). Were these correlations significantly different?