please help

To motivate its patrons to return overdue books, a library sent three kinds of reminders, Group A received an informative note concerning the amount of fines for overdue books, resulting in a 15% Increase in book returns. Group B's reminder said. Your mom would expect you to return your books" Returned books increased by 20% in this group. Group Creceived a note containing Information about fines and a reminder from Mom and its book retums skyrocketed by 50%. In this example Informational influence was stronger than normative influence Presenting both informational influence and normative influence was more effective than presenting either influence alone Reminders that refer to family members were ineffective. Normative influence alone was more effective than a combination of both influences Neither normative influence nor informational influence was effective 2 For many years consumers believed that Listerine prevents colds and that STP oil treatment improves engine performance, because these claims could not be disconfirmed by usage. This is an example of consumers supporting beliefs derived from advertising because The memory for attributes is high The memory for brand evaluations is high The motivation to process information is high The consumption experience is ambiguous There is lack of post purchase dissonance