Read this body paragraph from a research-based essay. Just as most high school students have a choice in what interests to pursue, their parents also have a choice. They must decide what role to play in nurturing their teens’ interests. According to research, a parent’s behavior toward a child engaged in an extracurricular activity directly affects the child’s behavior. Dr. Yuma Blankenship states that a parent’s behavior, such as emotional support and modeling, can influence a child’s beliefs and value system both in and out of the activity that the child is participating in (Knight 7).

Which statement is the best evaluation of this paragraph?

The paragraph is sound but needs more supporting evidence to be complete.
The paragraph does not have a topic sentence, so it is only partially complete.
The paragraph needs to be completely revised, since it lacks focus and clarity.
The paragraph is less effective after the first sentence because of its disconnected ideas.