Lenore Walker found that the cycle of violence was not experienced by ___________ of the women she studied

Suppose you have just read over an algebra problem, and you have now created an internal representation of the important information. According to the discussion of problem solving, you have mastered the stage called

a. problem finding. b. understanding. c. heuristic choice. d. background knowledge.

The strength of a correlation between two variables is referred to as

A) its negative coefficient. B) its positive coefficient. C) its causation. D) its magnitude.