Final answer:
Conformity and interpersonal accord are particularly prevalent during adolescence, which is the period of development that begins at puberty and ends at emerging adulthood.
Step-by-step explanation:
Conformity and interpersonal accord are phenomena that can occur throughout one's life, but research shows that they are particularly prevalent during adolescence. Adolescence is the period of development that begins at puberty and ends at emerging adulthood, typically ranging from 12 to 18 years old. During this time, individuals may feel a strong need to conform in order to fit in with their peers and gain acceptance. However, it is important to note that conformity and interpersonal accord can also occur in other stages of life, such as early adulthood or even later in adulthood.