Daryl is standing next to his 2-year-old nephew at his birthday party when suddenly a clown appears with balloons for everyone. Many people laugh and show surprise at the clown's sudden entry, but Daryl's nephew looks to him for the appropriate social response. This is an example of:

Social referencing

Explanation:

Social referencing is the term that a child used an affective of an adult to regulate their behavior towards the environmental, person and objects. Social referencing represents the major mechanism by which the infants come to understand the world around him. In the last quarter year of one, the infant starts to integrating interpersonal communication with the objects and situations around the world. At this stage, infants start to see her parents as a teacher and a source of knowledge around the world and the environment. Thus there is true to communication with third events including people and objects in the world to the infants. With acquired new knowledge with the environment events, infants are capable of regulating their behaviors towards people and objects following appraisal gave them by parents or caregivers.