Final answer:
Evan is displaying resistant attachment, which is characterized by clingy behavior followed by rejection towards the caregiver upon reunion, indicative of inconsistent caregiver responsiveness.
Step-by-step explanation:
In Ainsworth's Strange Situation method, the behavior exhibited by Evan is indicative of resistant attachment. This attachment style is characterized by children showing clingy behavior when their caregiver departs and then displaying rejection when the caregiver returns and tries to interact. These conflicting behaviors of seeking closeness and then pushing the caregiver away highlight the child's struggle with dependency and an inability to find comfort in the caregiver's return, often due to the caregiver's inconsistent responsiveness to their needs.
In Ainsworth's strange situation method, the type of attachment shown by Evan is resistant attachment. In this type of attachment, children tend to show clingy behavior, but then reject the attachment figure's attempts to interact with them.