Final answer:
The statement that parents lose all influence over their teens during adolescence is false. Parents continue to be a significant influence on adolescents, despite the growing importance of peer relationships and romantic interests during this developmental stage.
Step-by-step explanation:
During adolescence, it's common to see an increase in the importance of peer relationships. However, the assertion that parents typically lose all influence over their teens is false. While adolescents do develop a stronger sense of personal identity and become more emotionally independent from their parents, parental influence still plays a significant role. In fact, research indicates that teens often report that their parents or other caring adults are their greatest influences, particularly in areas such as sexual behavior.
Furthermore, strong and healthy parent-child relationships correlate with positive outcomes, including better grades and fewer behavioral problems in school. Peer groups certainly provide a crucial platform for socialization outside the family and can influence the behavior of adolescents to a great extent, especially in early adolescence. However, this does not diminish the impact parents have throughout the teen years. Romantic relationships also start to emerge during this time, though they represent an additional aspect of adolescence rather than a replacement for family or peer influences.