Which materials are prohibited during the HOSA conference?

The correct choice indicates that both digital and hard copy campaign materials are prohibited during the HOSA conference. This is in line with the organization's regulations aimed at ensuring a level playing field for all participants and maintaining a professional atmosphere. By prohibiting both formats of campaign materials, HOSA eliminates the potential for any unfair advantages that might arise from the use of promotional items or materials, allowing participants to focus on their presentations and skills rather than marketing their campaigns.

This policy also reflects a commitment to fairness in competition, as it ensures that all participants are evaluated solely based on their abilities and content rather than on ancillary materials that could distract from the essence of their presentations. Such regulations also promote professionalism and respect for the event, encouraging a focus on the educational and collaborative purposes of the conference.