A Recent Study That Examined the Associations Between Adolescents' Reports

A recent study that examined the associations between adolescents' reports of externalizing and internalizing problems and their parents' parenting style found

A) no association between internalizing problems and parenting style.
B) that high levels of externalizing problems predicted a decline in authoritative parenting 2 years later.
C) that a decrease in authoritative parenting predicted high levels of internalizing problems 2 years later.
D) that the associations are bidirectional.