Nine-month-old Censari is "playing with" her 10-month-old friend Ellie. Each of the girls is playing with brightly colored blocks in the same room but don't even notice what the other is doing. These two girls are displaying
a. cooperative play.
b. parallel play.
c. complementary play.
d. simple pretend play.
B
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Which statement concerning Social Security is false? a. It was developed in the 1950s
b. It can be supplemented by IRAs. c. It is the primary source of income for those over age 65. d. It faces challenges due to the large number of baby-boomers.
If the sounds belong to the same phonemic category, infants become better at discriminating them as they grow older
Indicate whether the statement is true or false
Animal trainers using operant conditioning techniques to slowly condition a new behavior by reinforcing successive approximations of the new desired behavior are engaged in ____.
c. Shaping
Which of the following statements is true about teenagers who live in risky neighborhoods?
A) They adjust more favorably when their parents allow them greater autonomy. B) They tend to have more trusting relationships with parents. C) They seem to interpret more measured granting of autonomy as a sign of parental control. D) They tend to have more strained relationships with parents.