Answer: Tara was probably more likely to help her little sister.
Explanation:
Guilt inducing behavior is used by an individual for invoking guilt in other person to make them feel shame about their inappropriate behavior, make them feel low, change their feelings etc.
According to the situation of question, after guilt inducing behavior shown by Tara's parents ,Tara will tend to feel guilty and shame about not spending time with her little sister and neither helping her.Thus, as a result Tara will improve her behavior towards her sister by starting to help her .