Final answer:
In the Strange Situation Test, a securely-attached child will show distress when their caregiver leaves and show joy when the caregiver returns, indicating a secure attachment style fostered by sensitive and responsive caregiving.
Step-by-step explanation:
In the Strange Situation Test, a securely-attached child will show distress when the parent leaves the room and show joy or positive emotions when the parent returns. This behavior is indicative of a secure attachment style, where the child uses the parent as a secure base to explore the environment and seek comfort in times of stress. Securely attached children tend to have caregivers who are sensitive and responsive to their needs, and the Strange Situation Test by Ainsworth has been significant in demonstrating these attachment behaviors.