In Her Research on Attachment, Ainsworth Noted ______ Different Styles

In her research on attachment, Ainsworth noted ______ different styles of attachment, and they are called ______.

A) 2; imprinting and bonding
B) 3; easy, difficult, and slow-to-warm-up
C) 3; authoritative, authoritarian, and permissive
D) 3; secure, insecure-avoidant, and insecure-resistant
E) 4; secure, insecure-avoidant, insecure-resistant, and slow-to-warm-up