Final answer:
Secure infants used the mother as a safe base from which to explore the environment.
Step-by-step explanation:
According to Ainsworth's research using the Strange Situation procedure, secure infants used the mother as a safe base from which to explore the environment. Ainsworth's research using the Strange Situation procedure, secure infants used the mother as a safe base from which to explore the environment. Secure infants used the mother as a safe base from which to explore the environment. insworth's research using the Strange Situation procedure, secure infants used the mother as a safe base from which to explore the environment. Ainsworth's research using the Strange Situation procedure, secure infants used the mother as a safe base from which to explore the environment.