Research on Academic Achievement and Locus of Control Typically Finds

Research on academic achievement and locus of control typically finds

A) those with an internal locus of control perform better academically, but this difference does not surface until students reach college.
B) those with an external locus of control perform better academically, but this difference disappears when students reach college.
C) those with an internal locus of control perform better academically, and this seems to be true at all age levels.
D) those with an external locus of control perform better academically, and this seems to be true at all age levels.