Janice is a sensitive and responsive caregiver. She anticipates her baby's needs and is available and flexible. What type of attachment is Janice's baby likely to form?

A characteristic that first shows up in the formal operations stage is __________

a) irreversibility. b) egocentrism. c) hypothetical thinking. d) logical thinking.

Studies of ________ have illustrated the importance of heredity in personality studies

A) people in different cultures B) information processes C) extraversion D) identical twins