1. The credibility of the persuader: In hovland's experiment, an important dimension of credibility is the authority of the persuader. For military education, this involves the authority of military leaders, instructors and other roles.

2. Factors of persuasion information: This includes the content, form and strength of persuasion information, such as what information can persuade soldiers more effectively in military education and how to enhance the persuasion effect through language, images and other forms.

3. Personal factors of the receiver: In hovland's experiment, the personal factors of the receiver include the receiver's personality, attitude and belief. For military education, this involves soldiers' personality characteristics, motivation to join the army, and trust in comrades-in-arms and leaders.