I place a symbol on the door of my office that indicates you will not be reinforced if you knock. The symbol I place there will be ______.
A. s+
B. s–
C. sd
D. s
D. s
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Most studies of adolescent mothers find that many fathers
a. abandon the mother and child in the first month after birth. b. remain active in the child's life throughout early childhood and adolescence. c. are teenagers themselves. d. remain in contact with the mother and child.
Research on the prevention and treatment of illness in adults has largely ignored ______.
A. men and minorities B. women and minorities C. men and the chronically ill D. women and the chronically ill
A great deal of parental interference and control is a strong predictor of
a well-behaved adolescent. adolescent depression. adolescent achievement. closeness with parents.
?The heritability of attention deficit/hyperactivity disorder (ADHD) is
a. less than 10 percent
b. between 20 and 40 percent.
c. between 40 and 60 percent.
d. 70 percent or higher.