According to Studies by Beebe Et Al

Multiple Choice

According to studies by Beebe et al. in 2010 and Stupica et al. in 2011, which of the following is true of attachment patterns?

A) They are not influenced by a deterioration in home life.
B) They become unstable when an insecure infant suddenly becomes securely attached over a six-month period.
C) They remain unstable for infants receiving fine care.
D) They tend to persist when caregiving conditions remain constant.