Which of Erikson's stages of human development explains that infants can acquire hope, an openness to new experience tempered by wariness that discomfort or danger may arise?

trust versus mistrust.

Explanation:

The development of the human personality is explained by Erickson's eight-stage theory of psychological development. The first stage of this theory is trust vs mistrust which occurs between birth and one year of age, which is the most important period of life. The child during this stage is unsure about the environment they live in and looks for stability and quality of treatment from their primary caregiver.