Bud and Lou are both playing with blocks. Though they are playing, they smile at each other and trade blocks from time to time. It is most likely that Bud and Lou are involved in
a. cooperative play
b. parallel play.
c. simple social play.
d. prosocial behavior.
c
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Aaron seems to chafe at the normal pace of events and hurries from one activity to another, racing the clock in self-imposed urgency. Aaron is most likely a
a. Type A personality. b. Type B personality. c. disease-prone personality. d. hypochondriac.
Tom's father has hemophilia, but Tom does not have the disease. What are the chances that Tom's children will have hemophilia? a. Tom's sons will almost certainly have it because Tom will have inherited the recessive gene from this father. b. Tom's daughters may be carriers, but his sons will not have the gene
c. All of Tom's children will be carriers, but it will not be expressed until they have children. d. None of Tom's children will be carriers or have the illness because his X gene came from his mother, who is not a carrier.
Tyrell wants to teach his two daughters, Sarah and Mia, to practice their golf swings every day. Each time after Sarah finishes practicing, he gives her $5, and each time after Mia finishes practicing, he gives her a handful of M&Ms. Sarah is receiving a __________ reinforcer, and Mia is receiving a __________ reinforcer.
A. secondary; secondary B. primary; primary C. secondary; primary D. primary; secondary
For a binomial distribution with n = 100, which of the following has the largest standard deviation?
A) ?p = 0.50 B) p = 0.20? C) ?p = 0.10 D) ?p = 0.05