In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: The pattern of attachment that is observed more frequently in children is:
Options: <0> Anxious attachment <1> Anxious avoidant attachment. <2> Ambivalent attachment <3> Secure attachment <4> Detachment.
psychology