Answer:
Ambivalence attached group
Explanation:
Ambivalently is a mental condition or state of having simultaneous contradictory reactions, in which a person has both positive and negative feelings about the same person or same object. It is a kind of mixed feelings and mixed experienced. Psychologically uncomfortable ambivalence, may results in avoidance and procrastination.
Toddler Roberto is having mixed feeling for a stranger, therefore, Anisworth's theory, Roberto is probably Ambivalently attached group or detached personality.