According to Jean Piaget and Harry Stack Sullivan, the primary thing children learn from their peers are reciprocal interactions.
<span>The term reciprocal interaction denotes the exchange in which individuals or objects exhibit similar behavior. Children learn from their parents and imitate them. </span>
In Chinese<span> and other East Asian and Southeast Asian societies, a </span>red envelope, red packet, lai see (Cantonese), âng-pau (Hokkien) or hóngbāo (Mandarin<span>) is a monetary gift which is given during holidays or special occasions such as weddings, graduation or the birth of a baby</span>
I believe the answer is: Classical conditioning
Classical conditioning refers to the process when a biologically potent stimulus is paired with a netural stimulus in order to produce a certain type of response every time the subject is faced with the neutral stimulus. This process was first introduced by a popular psychologist named Ivan Pavlov.
The answer is STRUCTURE and FUNCTION