Final answer:
Jayson is using the form of nonverbal communication known as regulators, which involve nonverbal cues that control the flow of conversation and indicate when a person is ready to speak.
Step-by-step explanation:
Jayson is using the form of nonverbal communication known as d. Regulators. Regulators are nonverbal cues that help to control the flow of conversation and serve to indicate when a person is ready to speak or when they want someone else to speak. Leaning forward and making eye contact are examples of regulators that Jayson is using in his conversations.