Final answer:
The scenario describes a permissive indulgent parenting style, where parents are nurturing but make few demands and rarely discipline, possibly leading to a lack of self-discipline in the child.
Step-by-step explanation:
The parenting style being described where Alexia's parents become defensive and argue that the teacher must not be doing her job suggests a permissive indulgent approach to parenting. In this style, parents make few demands, rarely use punishment, and may act more as friends than as parental figures. They may also be very nurturing and loving but often lack setting necessary boundaries, which can lead to the children lacking self-discipline and experiencing difficulties in school.