Smiles, head nods, eye contact, and clapping from audience members are all forms of: Feedback.
Feedback is a information about reactions to a product, a person's performance of a task, etc., which serves as a basis for improvement.
Feedback loops can improve or store changes that occur in the system. Positive feedback loops enhance or reinforce changes; this tends to shift the system away from its equilibrium state and make it more unstable.
Feedback has its four steps in the following way:
- Reception
- Recognition
- Acceptance
- Motivation
Hence, the correct answer is Option D, Feedback.
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