Austin is a very aggressive child who watches a lot of violent programs on television. Research has ...

Austin is a very aggressive child who watches a lot of violent programs on television. Research has found a statistically significant, positive correlation between watching television and behaving aggressively. Based on this correlational evidence, which statement is true about Austin's aggression?
 
  a. Watching violent programs on television caused Austin to behave aggressively.
  b. Austin has always been aggressive, and so, he prefers to watch violent shows.
  c. If Austin's parents refused to let him watch violent shows, Austin would stop behaving aggressively.
  d. Several factors could be influencing both Austin's aggression and his preference for violent shows.