As Master Sergeant Williams implements Detect to Engage he realizes that he is running out of time to cover all of the content, so he decides to skip a large section of the training in order to end on a strong note. Which element of fidelity relates to the importance of delivering all aspects of essential content? Program differentiation Participant responsiveness Adherence

The element of fidelity that relates to the importance of delivering all aspects of essential content is **Adherence**.<br /><br />Adherence refers to the extent to which the implementation of a program or training follows the prescribed procedures and protocols, including covering all essential content. Skipping large sections of the training would compromise adherence because it means not delivering the program as it was designed.