A group of teenagers of different ages participated in a survey where they were asked to evaluate the actions of individuals who caused accidents, some of which were deliberate and others accidental. When asked about the consequences for those who caused these accidents, the younger teenagers, unlike the older ones, suggested consequences that did not differ based on whether the action was deliberate or accidental. This suggests that younger teenagers do not consider the intentions behind actions when determining consequences.

Which of the following, if true, would most seriously weaken the conclusion above?