Data from a U

Multiple Choice

Data from a U.S. survey showed that boys whose parents were divorced and separated had more behavioral problems than boys living with both biological parents. Evidence that this finding held up when the researchers controlled for social class and race would

A) clarify the direction of influence.
B) signify that the relationship is statistically significant.
C) strengthen the inference that the relationship is nonspurious.
D) prove that divorce or separation leads to behavioral problems.