Final answer:
Middle adulthood, from the mid-30s to mid-60s, is known as the generativity versus stagnation stage in Erikson's psychosocial theory, where individuals seek to contribute to the development of others and find fulfillment.
Step-by-step explanation:
During middle adulthood, which lasts from the mid-30s to the mid-60s, individuals experience a stage known as generativity versus stagnation in Erikson's psychosocial theory. This stage is characterized by the desire to contribute to the development of others and finding fulfillment in life's work. Those who are successful in this stage feel a sense of generativity, while those who struggle may experience stagnation.