In 1998, what percent of all children in the United States lived in households in which the parents had never married?

Cognitive speediness is BEST classified as what kind of ability?

A) general B) middle-level C) specific D) fluid intelligence

Cerebellum is to ____ as basal ganglia are to ____.

A. clumsy; paralysis B. initiation; stopping C. gross muscle function; fine motor coordination D. timing; voluntary movements