Final answer:
During stage 1 of child development (0-2), the primary existential question is trust versus mistrust.
Step-by-step explanation:
The primary existential question during stage 1 of child development (0-2) is trust versus mistrust.
According to Erikson, infants are dependent upon their caregivers, and responsive and sensitive caregivers help the baby develop a sense of trust. However, unresponsive caregivers can lead to feelings of anxiety, fear, and mistrust in the baby.