Neonates, on average, sleep____ hours a day, and of that time ____ is spent in REM
a. 18–20; 40%
b. 16–17; 50%
c. 14–15; 60%
d. 12–14; 70%
B
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The crude or unadjusted death rate for males in the United States in 2007
a. was 8.1 per 1,000 b. nearly 50 percent higher than the comparable rate for females c. reached a new low of 760.2 deaths per 100,000 d. was significantly lower than the comparable rate for females e. none of these
The ________ play a key role in peripheral vision, seeing objects that are outside the main center of focus.
A. rods B. lenses C. cones D. pons
Susan recently logged on to a chat room and started “chatting.” However, no one in the online group paid any attention to her. Studies on cyberostracism suggest that Susan will most likely
a. sit quietly and wait until someone talks to her. b. leave and start a new group by herself. c. increase the amount of communication to the group. d. stop going online. e. exhibit no change in her behavior.
Carrie is a 12 year-old child who earned good grades until she entered middle school
last fall and who has no history of psychological problems. Carrie's middle school teachers report that Carrie consistently arrives a few minutes late to her classes, often with the wrong books. In class, Carrie fidgets or writes notes to other children. Carrie's work is usually of poor quality and often completed late. Carrie's parents have also noticed that she has recently become quite "disorganized." Carrie might meet diagnostic criteria for which DSM-IV-TR disorder? a. ADHD, combined type b. ADHD, predominantly inattentive type c. ADHD, predominantly hyperactive-impulsive type d. Hyperkinetic conduct disorder e. Carrie does not meet diagnostic criteria for any of the above disorders.