Low birth-weight babies are at a higher risk for ______.
A. poor academic achievement and social problems
B. genetic disorders such as Down syndrome
C. PKU
D. obesity and hormonal problems
Answer: A
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Dr. Chung says, "Psychologists are poor predictors of dangerousness for the same reason that meteorologists are poor at predicting when a tornado will occur." Dr. Chung means that dangerousness ____
a. is unrelated to the context in which it occurs b. never happens in the same place twice c. is something that is affected by the weather d. is a rare event
Answer the following statements true (T) or false (F)
1. OxyContin is a narcotic 2. Morphine mimics the body's endogenous opioids, which are neurotransmitters that alleviate pain 3. Heroin and codeine are both opiate drugs 4. The drugs that produce the most extreme alterations of consciousness are narcotics such as heroin 5. Mescaline comes from the peyote cactus
The Media Practice Model proposes that adolescents' media use is ________
a. passive b. rare compared to adults' media use c. frequent d. active
Which of the following characteristics is most assured when scientists use operational definitions to communicate?
A. reliable measurement B. meaningfulness C. clarity of meaning D. valid measurement