What guidelines do DECA members follow during competitions?

The choice identifying the competition guidelines outlined in the DECA manual is correct because it directly refers to the official and comprehensive guidelines provided by DECA for its members. This manual contains essential information about the structure of competitions, scoring criteria, role plays, and event formats. Adhering to these guidelines is crucial for fair competition and helps all participants understand the expectations and requirements for their respective roles.

The DECA manual serves as the primary resource for participants to prepare effectively and excel in competitions. It ensures that all members have a consistent understanding of the rules and can approach the events with a shared foundation, promoting fairness and clarity throughout the competition process.