### Research QuestionResearch on children who had been institutionalized until after their second or third birthday have found that early environmental deprivation can affect:- ○ all of the above- ○ regulation of stress via HPA-axis- ○ social interaction with others- ○ cognitive development### Question 10 (2 points)One-year-old Marissa actively explores when her mother is present, gets upset when her mother leaves, and greets her warmly when she returns. Marissa is displaying what attachment classification?- ○ insecure- ○ secure- ○ anxious-ambivalent- ○ anxious-avoidant **Question 11:****Statement:** Research on humans has shown clear evidence that the early moments after birth are a sensitive period for bonding between mother and infant.- ○ True- ○ False---**Question 12:****Points: 4 pts**The most common and well-validated assessment of attachment security in infants and toddlers is a laboratory procedure known as the ___________ ___________.

Question is related to psychological development of child. Detailed solution in step 2. Q. 1 Answer is All of the above. Rationale:- environmental exposure of the child helps in cognitive development. It also improves social relation of child. During hospital stay release of steroids hormones becomes increased and it disturbs the pathway of hypothalamo pituitary adrenal axis. So when child is hospitalised for prolonged time then all these conditions are affected. Q . 10 Answer is C. Anxious ambivalent . Rationale :- In this attachment style child wants to stay with parents. He feels anxious , distressed, angry, and throwing a temper tantrum when separated from parents. So correct answer is C. Q. 11 Answer is True. Rationale:- Research suggests that early period after birth is very sensitive period to develop bonding between mother and child. New research suggests that the newborn should be kept on mother abdoman just after delivery it will increase emotional bonding between mother and child. This emotional bonding development is helpful for the development of child. Emotionally bonded childs have less chances of behavioural disorder. Q 12 Answer is ' Strange situation ' test. Rationale :- This test is developed by psychologist Mary Ainsworth. This test assess attachment security in child by creating a strange situation. The mother or care giver is temporarily absent and then reaction of the child is assessed. It is well validated and laboratory test.